<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="Encounter" />
  <meta>
    <versionId value="4" />
    <lastUpdated value="2019-12-08T15:31:34.446+00:00" />
  </meta>
  <url value="http://StructureDefinition.hl7fhir.cn/Encounter" />
  <name value="Encounter" />
  <title value="医疗就诊" />
  <status value="draft" />
  <date value="2019-12-08T15:31:33.6731557Z" />
  <description value="患者通过就诊和卫生健康提供者之间的交互活动，交互目的是提供卫生健康服务或评估患者的健康状况。医疗就诊包括了每一次的门（急）诊、住院、体检、家庭医生服务、院后随访等在内的所有卫生健康服务活动" />
  <fhirVersion value="4.0.0" />
  <mapping>
    <identity value="workflow" />
    <uri value="http://hl7.org/fhir/workflow" />
    <name value="Workflow Pattern" />
  </mapping>
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <mapping>
    <identity value="w5" />
    <uri value="http://hl7.org/fhir/fivews" />
    <name value="FiveWs Pattern Mapping" />
  </mapping>
  <mapping>
    <identity value="v2" />
    <uri value="http://hl7.org/v2" />
    <name value="HL7 v2 Mapping" />
  </mapping>
  <kind value="resource" />
  <abstract value="false" />
  <type value="Encounter" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Encounter" />
  <derivation value="constraint" />
  <snapshot>
    <element id="Encounter">
      <path value="Encounter" />
      <short value="为患者提供服务的活动" />
      <definition value="患者和卫生健康提供者之间的交互活动，交互目的是提供卫生健康服务或评估患者的健康状况。" />
      <alias value="Visit" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Encounter" />
        <min value="0" />
        <max value="*" />
      </base>
      <constraint>
        <key value="dom-2" />
        <severity value="error" />
        <human value="If the resource is contained in another resource, it SHALL NOT contain nested Resources" />
        <expression value="contained.contained.empty()" />
        <xpath value="not(parent::f:contained and f:contained)" />
        <source value="http://hl7.org/fhir/StructureDefinition/DomainResource" />
      </constraint>
      <constraint>
        <key value="dom-4" />
        <severity value="error" />
        <human value="If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated" />
        <expression value="contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()" />
        <xpath value="not(exists(f:contained/*/f:meta/f:versionId)) and not(exists(f:contained/*/f:meta/f:lastUpdated))" />
        <source value="http://hl7.org/fhir/StructureDefinition/DomainResource" />
      </constraint>
      <constraint>
        <key value="dom-3" />
        <severity value="error" />
        <human value="If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource" />
        <expression value="contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()" />
        <xpath value="not(exists(for $id in f:contained/*/f:id/@value return $contained[not(parent::*/descendant::f:reference/@value=concat('#', $contained/*/id/@value) or descendant::f:reference[@value='#'])]))" />
        <source value="http://hl7.org/fhir/StructureDefinition/DomainResource" />
      </constraint>
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice">
          <valueBoolean value="true" />
        </extension>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation">
          <valueMarkdown value="When a resource has no narrative, only systems that fully understand the data can display the resource to a human safely. Including a human readable representation in the resource makes for a much more robust eco-system and cheaper handling of resources by intermediary systems. Some ecosystems restrict distribution of resources to only those systems that do fully understand the resources, and as a consequence implementers may believe that the narrative is superfluous. However experience shows that such eco-systems often open up to new participants over time." />
        </extension>
        <key value="dom-6" />
        <severity value="warning" />
        <human value="A resource should have narrative for robust management" />
        <expression value="text.`div`.exists()" />
        <xpath value="exists(f:text/h:div)" />
        <source value="http://hl7.org/fhir/StructureDefinition/DomainResource" />
      </constraint>
      <constraint>
        <key value="dom-5" />
        <severity value="error" />
        <human value="If a resource is contained in another resource, it SHALL NOT have a security label" />
        <expression value="contained.meta.security.empty()" />
        <xpath value="not(exists(f:contained/*/f:meta/f:security))" />
        <source value="http://hl7.org/fhir/StructureDefinition/DomainResource" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="Entity. Role, or Act" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="Encounter[@moodCode='EVN']" />
      </mapping>
    </element>
    <element id="Encounter.id">
      <path value="Encounter.id" />
      <short value="Logical id of this artifact" />
      <definition value="The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes." />
      <comment value="The only time that a resource does not have an id is when it is being submitted to the server using a create operation." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Resource.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string" />
        </extension>
        <code value="http://hl7.org/fhirpath/System.String" />
      </type>
      <isSummary value="true" />
    </element>
    <element id="Encounter.meta">
      <path value="Encounter.meta" />
      <short value="Metadata about the resource" />
      <definition value="The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Resource.meta" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Meta" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Encounter.implicitRules">
      <path value="Encounter.implicitRules" />
      <short value="A set of rules under which this content was created" />
      <definition value="A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc." />
      <comment value="Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Resource.implicitRules" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="uri" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isModifier value="true" />
      <isModifierReason value="This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation" />
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="Encounter.language">
      <path value="Encounter.language" />
      <short value="Language of the resource content" />
      <definition value="The base language in which the resource is written." />
      <comment value="Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute)." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Resource.language" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="code" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet">
          <valueCanonical value="http://hl7.org/fhir/ValueSet/all-languages" />
        </extension>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Language" />
        </extension>
        <strength value="preferred" />
        <description value="A human language." />
        <valueSet value="http://hl7.org/fhir/ValueSet/languages" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="Encounter.text">
      <path value="Encounter.text" />
      <short value="Text summary of the resource, for human interpretation" />
      <definition value="A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it &quot;clinically safe&quot; for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety." />
      <comment value="Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied).  This may be necessary for data from legacy systems where information is captured as a &quot;text blob&quot; or where text is additionally entered raw or narrated and encoded information is added later." />
      <alias value="narrative" />
      <alias value="html" />
      <alias value="xhtml" />
      <alias value="display" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="DomainResource.text" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Narrative" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="Act.text?" />
      </mapping>
    </element>
    <element id="Encounter.contained">
      <path value="Encounter.contained" />
      <short value="Contained, inline Resources" />
      <definition value="These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope." />
      <comment value="This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. Contained resources may have profiles and tags In their meta elements, but SHALL NOT have security labels." />
      <alias value="inline resources" />
      <alias value="anonymous resources" />
      <alias value="contained resources" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="DomainResource.contained" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Resource" />
      </type>
      <mapping>
        <identity value="rim" />
        <map value="Entity. Role, or Act" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Encounter.extension">
      <path value="Encounter.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <description value="Extensions are always sliced by (at least) url" />
        <rules value="open" />
      </slicing>
      <short value="Additional content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="DomainResource.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Encounter.modifierExtension">
      <path value="Encounter.modifierExtension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <description value="Extensions are always sliced by (at least) url" />
        <rules value="open" />
      </slicing>
      <short value="Extensions that cannot be ignored" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.&#xA;&#xA;Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." />
      <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension)." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="DomainResource.modifierExtension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <isModifier value="true" />
      <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Encounter.identifier">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="normative" />
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
        <valueCode value="4.0.0" />
      </extension>
      <path value="Encounter.identifier" />
      <short value="本次医疗活动的业务ID" />
      <definition value="本次医疗活动的各种业务标识符" />
      <comment value="这是业务id，并不是资源服务器上的逻辑ID" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Encounter.identifier" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Identifier" />
        <profile value="http://StructureDefinition.hl7fhir.cn/Identifier" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CX / EI (occasionally, more often EI maps to a resource id or a URL)" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="II - The Identifier class is a little looser than the v3 type II because it allows URIs as well as registered OIDs or GUIDs.  Also maps to Role[classCode=IDENT]" />
      </mapping>
      <mapping>
        <identity value="servd" />
        <map value="Identifier" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event.identifier" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="FiveWs.identifier" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="PV1-19" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".id" />
      </mapping>
    </element>
    <element id="Encounter.status">
      <path value="Encounter.status" />
      <short value="目前的就诊状态" />
      <definition value="planned | arrived | triaged | in-progress | onleave | finished | cancelled +." />
      <comment value="请注意，内部业务规则决定状态之间可能发生的适当转换。" />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Encounter.status" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="code" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isModifier value="true" />
      <isModifierReason value="当此元素的值为entered-in-error时，此资源的意思将发生变化：这是一个由于录入错录产生的无效资源" />
      <isSummary value="true" />
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="EncounterStatus" />
        </extension>
        <strength value="required" />
        <description value="Current state of the encounter." />
        <valueSet value="http://hl7.org/fhir/ValueSet/encounter-status|4.0.1" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event.status" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="FiveWs.status" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="No clear equivalent in HL7 v2; active/finished could be inferred from PV1-44, PV1-45, PV2-24; inactive could be inferred from PV2-16" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".statusCode" />
      </mapping>
    </element>
    <element id="Encounter.statusHistory">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name">
        <valueString value="StatusHistory" />
      </extension>
      <path value="Encounter.statusHistory" />
      <short value="就诊状态历史记录" />
      <definition value="状态历史记录了此医疗活动在不同时间段所处的不同状态。" />
      <comment value="当前状态始终位于Encounter.status中，不会在状态历史中记录。" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Encounter.statusHistory" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="BackboneElement" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="Encounter.statusHistory.id">
      <path value="Encounter.statusHistory.id" />
      <representation value="xmlAttr" />
      <short value="Unique id for inter-element referencing" />
      <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string" />
        </extension>
        <code value="http://hl7.org/fhirpath/System.String" />
      </type>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="Encounter.statusHistory.extension">
      <path value="Encounter.statusHistory.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <description value="Extensions are always sliced by (at least) url" />
        <rules value="open" />
      </slicing>
      <short value="Additional content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Encounter.statusHistory.modifierExtension">
      <path value="Encounter.statusHistory.modifierExtension" />
      <short value="Extensions that cannot be ignored even if unrecognized" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.&#xA;&#xA;Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." />
      <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension)." />
      <alias value="extensions" />
      <alias value="user content" />
      <alias value="modifiers" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="BackboneElement.modifierExtension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <isModifier value="true" />
      <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" />
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Encounter.statusHistory.status">
      <path value="Encounter.statusHistory.status" />
      <short value="历史的就诊状态" />
      <definition value="planned | arrived | triaged | in-progress | onleave | finished | cancelled +." />
      <comment value="Note that FHIR strings SHALL NOT exceed 1MB in size" />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Encounter.statusHistory.status" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="code" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="EncounterStatus" />
        </extension>
        <strength value="required" />
        <description value="Current state of the encounter." />
        <valueSet value="http://hl7.org/fhir/ValueSet/encounter-status|4.0.1" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="Encounter.statusHistory.period">
      <path value="Encounter.statusHistory.period" />
      <short value="历史状态时段" />
      <definition value="处于此状态的时间段。" />
      <comment value="时段指定时间范围；&#xD;&#xA;时段不用于持续时间（对已用时间的度量）。请参阅数据类型：[Duration]" />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Encounter.statusHistory.period" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="Period" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="per-1" />
        <severity value="error" />
        <human value="If present, start SHALL have a lower value than end" />
        <expression value="start.hasValue().not() or end.hasValue().not() or (start &lt;= end)" />
        <xpath value="not(exists(f:start/@value)) or not(exists(f:end/@value)) or (xs:dateTime(f:start/@value) &lt;= xs:dateTime(f:end/@value))" />
        <source value="http://hl7.org/fhir/StructureDefinition/Period" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="DR" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="IVL&lt;TS&gt;[lowClosed=&quot;true&quot; and highClosed=&quot;true&quot;] or URG&lt;TS&gt;[lowClosed=&quot;true&quot; and highClosed=&quot;true&quot;]" />
      </mapping>
    </element>
    <element id="Encounter.class">
      <path value="Encounter.class" />
      <short value="医疗就诊活动的分类" />
      <definition value="医疗活动的分类，如门诊、住院、急诊、家庭医疗或其他医疗活动。&#xD;&#xA;1门诊、2急诊、3住院、9其他" />
      <comment value="选自《WS 364-2011_卫生信息数据元值域代码》中的CV09.00.404。可扩展" />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Encounter.class" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="Coding" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isSummary value="true" />
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="EncounterClass" />
        </extension>
        <strength value="extensible" />
        <description value="就诊类别" />
        <valueSet value="http://ValueSet.hl7fhir.cn/patient-type-vs" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE subset one of the sets of component 1-3 or 4-6" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CV" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding rdfs:subClassOf dt:CDCoding" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="FiveWs.class" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="PV1-2" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".inboundRelationship[typeCode=SUBJ].source[classCode=LIST].code" />
      </mapping>
    </element>
    <element id="Encounter.classHistory">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name">
        <valueString value="ClassHistory" />
      </extension>
      <path value="Encounter.classHistory" />
      <short value="就诊类别变更历史" />
      <definition value="就诊类别历史记录可以在不遍历资源历史记录的情况下跟踪医疗就诊活动类别的变化。这将用于这样一种情况：刚开始是急诊，然后通过急诊入院转为住院。 用这种方式记录而不是新建一次医疗就诊活动的好处在于此患者的所有检验检查的诊断结果都可以更容易的获取，因为不会在急诊出院又重新入院的过程中造成数据的无法关联，也不需要通过患者索引来重新处理数据。" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Encounter.classHistory" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="BackboneElement" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="Encounter.classHistory.id">
      <path value="Encounter.classHistory.id" />
      <representation value="xmlAttr" />
      <short value="Unique id for inter-element referencing" />
      <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string" />
        </extension>
        <code value="http://hl7.org/fhirpath/System.String" />
      </type>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="Encounter.classHistory.extension">
      <path value="Encounter.classHistory.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <description value="Extensions are always sliced by (at least) url" />
        <rules value="open" />
      </slicing>
      <short value="Additional content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Encounter.classHistory.modifierExtension">
      <path value="Encounter.classHistory.modifierExtension" />
      <short value="Extensions that cannot be ignored even if unrecognized" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.&#xA;&#xA;Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." />
      <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension)." />
      <alias value="extensions" />
      <alias value="user content" />
      <alias value="modifiers" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="BackboneElement.modifierExtension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <isModifier value="true" />
      <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" />
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Encounter.classHistory.class">
      <path value="Encounter.classHistory.class" />
      <short value="医疗就诊活动的分类" />
      <definition value="医疗活动的分类，如门诊、住院、急诊、家庭医疗或其他医疗活动。&#xD;&#xA;inpatient | outpatient | ambulatory | emergency +." />
      <comment value="Codes may be defined very casually in enumerations or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Encounter.classHistory.class" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="Coding" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="EncounterClass" />
        </extension>
        <strength value="extensible" />
        <description value="就诊类别" />
        <valueSet value="http://ValueSet.hl7fhir.cn/patient-type-vs" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE subset one of the sets of component 1-3 or 4-6" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CV" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding rdfs:subClassOf dt:CDCoding" />
      </mapping>
    </element>
    <element id="Encounter.classHistory.period">
      <path value="Encounter.classHistory.period" />
      <short value="The time that the episode was in the specified class" />
      <definition value="The time that the episode was in the specified class." />
      <comment value="A Period specifies a range of time; the context of use will specify whether the entire range applies (e.g. &quot;the patient was an inpatient of the hospital for this time range&quot;) or one value from the range applies (e.g. &quot;give to the patient between these two times&quot;).&#xA;&#xA;Period is not used for a duration (a measure of elapsed time). See [Duration](datatypes.html#Duration)." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Encounter.classHistory.period" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="Period" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="per-1" />
        <severity value="error" />
        <human value="If present, start SHALL have a lower value than end" />
        <expression value="start.hasValue().not() or end.hasValue().not() or (start &lt;= end)" />
        <xpath value="not(exists(f:start/@value)) or not(exists(f:end/@value)) or (xs:dateTime(f:start/@value) &lt;= xs:dateTime(f:end/@value))" />
        <source value="http://hl7.org/fhir/StructureDefinition/Period" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="DR" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="IVL&lt;TS&gt;[lowClosed=&quot;true&quot; and highClosed=&quot;true&quot;] or URG&lt;TS&gt;[lowClosed=&quot;true&quot; and highClosed=&quot;true&quot;]" />
      </mapping>
    </element>
    <element id="Encounter.type">
      <path value="Encounter.type" />
      <short value="医疗活动的具体类型" />
      <definition value="医疗活动的具体类型。例如：电子邮件咨询、外科手术、家庭护理、产后康复。" />
      <comment value="Since there are many ways to further classify encounters, this element is 0..*." />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Encounter.type" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isSummary value="true" />
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="EncounterType" />
        </extension>
        <strength value="example" />
        <description value="The type of encounter." />
        <valueSet value="http://hl7.org/fhir/ValueSet/encounter-type" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event.code" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="FiveWs.class" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="PV1-4 / PV1-18" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".code" />
      </mapping>
    </element>
    <element id="Encounter.serviceType">
      <path value="Encounter.serviceType" />
      <short value="医疗服务的广义分类" />
      <definition value="提供服务的广义分类，如心脏病学。" />
      <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.serviceType" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isSummary value="true" />
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="EncounterServiceType" />
        </extension>
        <strength value="example" />
        <description value="Broad categorization of the service that is to be provided." />
        <valueSet value="http://hl7.org/fhir/ValueSet/service-type" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event.code" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="PV1-10" />
      </mapping>
    </element>
    <element id="Encounter.priority">
      <path value="Encounter.priority" />
      <short value="优先级" />
      <definition value="表示医疗就诊活动的紧迫性" />
      <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.priority" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Priority" />
        </extension>
        <strength value="example" />
        <description value="Indicates the urgency of the encounter." />
        <valueSet value="http://terminology.hl7.org/ValueSet/v3-ActPriority" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="FiveWs.grade" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="PV2-25" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".priorityCode" />
      </mapping>
    </element>
    <element id="Encounter.subject">
      <path value="Encounter.subject" />
      <short value="服务对象" />
      <definition value="此医疗活动的服务对象：患者或群体。" />
      <comment value="虽然医疗就诊的服务对象总是患者，但在某些场境中，可能并知道患者的真实身份，可能存在一组匿名患者，例如在匿名戒酒者团体治疗中——在这种情况下，医疗就诊的记录可用于对人数/工作人员进行计费，而不并不关注病人的具体信息。在兽医治疗的场景中，服务对象可能是接受治疗的一群羊（在这种情况下,不会单个动物进行追踪）。" />
      <alias value="patient" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.subject" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <targetProfile value="http://StructureDefinition.hl7fhir.cn/Group" />
        <targetProfile value="http://StructureDefinition.hl7fhir.cn/Patient" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ref-1" />
        <severity value="error" />
        <human value="SHALL have a contained resource if a local reference is provided" />
        <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))" />
        <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Reference" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event.subject" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="FiveWs.subject[x]" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="PID-3" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".participation[typeCode=SBJ]/role[classCode=PAT]" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="FiveWs.subject" />
      </mapping>
    </element>
    <element id="Encounter.episodeOfCare">
      <path value="Encounter.episodeOfCare" />
      <short value="此医疗就诊资源需要记录的治疗/照护期资源" />
      <definition value="当医疗就诊活动事件应被归类为某些治疗/照护期的一部分时，应使用此字段。这种关联可以方便地将相关医疗就诊活动按目的进行分组，例如上报数据、问题追踪、常见问题相关性。 因为治疗/照护期可能很长（跨越数年），在其结束之前通常不会先创建治疗/照护期资源并通过编辑更新逐步附加相关医疗就诊资源，而是在其结束后创建并按条目分组。所以，为了方便后期创建治疗/照护期资源时获取相关信息，当这种关联信息产生时就先记录在医疗就诊资源里。" />
      <comment value="EpisodeOfCare和Encounter之间的主要区别在于：Encounter记录与患者直接相关的活动细节，而EpisodeOfCare是一个容器，它可以按问题分组，将一系列的相关Encounter联系在一起。" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Encounter.episodeOfCare" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/EpisodeOfCare" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ref-1" />
        <severity value="error" />
        <human value="SHALL have a contained resource if a local reference is provided" />
        <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))" />
        <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Reference" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event.context" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="FiveWs.context" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="PV1-54, PV1-53" />
      </mapping>
    </element>
    <element id="Encounter.basedOn">
      <path value="Encounter.basedOn" />
      <short value="导致此医疗就诊资源的服务申请（ServiceRequest ）" />
      <definition value="此医疗就诊资源是基于哪些申请产生的（例如转入申请或手术申请）。" />
      <comment value="References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository." />
      <alias value="incomingReferral" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Encounter.basedOn" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/ServiceRequest" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ref-1" />
        <severity value="error" />
        <human value="SHALL have a contained resource if a local reference is provided" />
        <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))" />
        <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Reference" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event.basedOn" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".reason.ClinicalDocument" />
      </mapping>
    </element>
    <element id="Encounter.participant">
      <path value="Encounter.participant" />
      <short value="参与此医疗活动的服务人员" />
      <definition value="负责提供服务的人员名单。" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Encounter.participant" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="BackboneElement" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event.performer" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="ROL" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".participation[typeCode=PFM]" />
      </mapping>
    </element>
    <element id="Encounter.participant.id">
      <path value="Encounter.participant.id" />
      <representation value="xmlAttr" />
      <short value="Unique id for inter-element referencing" />
      <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string" />
        </extension>
        <code value="http://hl7.org/fhirpath/System.String" />
      </type>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="Encounter.participant.extension">
      <path value="Encounter.participant.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <description value="Extensions are always sliced by (at least) url" />
        <rules value="open" />
      </slicing>
      <short value="Additional content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Encounter.participant.modifierExtension">
      <path value="Encounter.participant.modifierExtension" />
      <short value="Extensions that cannot be ignored even if unrecognized" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.&#xA;&#xA;Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." />
      <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension)." />
      <alias value="extensions" />
      <alias value="user content" />
      <alias value="modifiers" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="BackboneElement.modifierExtension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <isModifier value="true" />
      <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" />
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Encounter.participant.type">
      <path value="Encounter.participant.type" />
      <short value="服务人员参与此活动的角色类型" />
      <definition value="服务人员在本次医疗活动中充当的角色" />
      <comment value="此类型说明了医务人员或其它人员如何参与此医疗活动的。 对于医务人员，描述的是本次医疗活动场景中，在参与具体活动时所扮演的角色（例如，患者的住院医师、转诊办理员、咨询师、患者的护工）。 它与医疗服务人员角色（PractitionerRole）不同，PractitionerRole是其所属组织中的角色，是通过受聘情况、教育背景等来确定的。这些角色可以通过Encounter.participant.individual元素来指定" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Encounter.participant.type" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isSummary value="true" />
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="ParticipantType" />
        </extension>
        <strength value="extensible" />
        <description value="Role of participant in encounter." />
        <valueSet value="http://hl7.org/fhir/ValueSet/encounter-participant-type" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event.performer.function" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="ROL-3 (or maybe PRT-4)" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".functionCode" />
      </mapping>
    </element>
    <element id="Encounter.participant.period">
      <path value="Encounter.participant.period" />
      <short value="Period of time during the encounter that the participant participated" />
      <definition value="The period of time that the specified participant participated in the encounter. These can overlap or be sub-sets of the overall encounter's period." />
      <comment value="A Period specifies a range of time; the context of use will specify whether the entire range applies (e.g. &quot;the patient was an inpatient of the hospital for this time range&quot;) or one value from the range applies (e.g. &quot;give to the patient between these two times&quot;).&#xA;&#xA;Period is not used for a duration (a measure of elapsed time). See [Duration](datatypes.html#Duration)." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.participant.period" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Period" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="per-1" />
        <severity value="error" />
        <human value="If present, start SHALL have a lower value than end" />
        <expression value="start.hasValue().not() or end.hasValue().not() or (start &lt;= end)" />
        <xpath value="not(exists(f:start/@value)) or not(exists(f:end/@value)) or (xs:dateTime(f:start/@value) &lt;= xs:dateTime(f:end/@value))" />
        <source value="http://hl7.org/fhir/StructureDefinition/Period" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="DR" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="IVL&lt;TS&gt;[lowClosed=&quot;true&quot; and highClosed=&quot;true&quot;] or URG&lt;TS&gt;[lowClosed=&quot;true&quot; and highClosed=&quot;true&quot;]" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="ROL-5, ROL-6 (or maybe PRT-5)" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".time" />
      </mapping>
    </element>
    <element id="Encounter.participant.individual">
      <path value="Encounter.participant.individual" />
      <short value="除了病人之外的其他参与人。" />
      <definition value="除了病人之外的其他参与人。" />
      <comment value="医疗服务人员（Practitioner）, 用于指定具体的医疗服务人员其及相关的执业资格/职称。&#xD;&#xA;&#xD;&#xA;医疗服务人员角色（PractitionerRole）, 用于在指定具体的医疗服务人员的同时，明确此人员在其所属组织中的角色/岗位，而非此医疗就诊活动中扮演的角色(Encounter.participant.type)" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.participant.individual" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson" />
        <targetProfile value="http://StructureDefinition/hl7fhir.cn/Practitioner" />
        <targetProfile value="http://StructureDefinition/hl7fhir.cn/PractitionerRole" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ref-1" />
        <severity value="error" />
        <human value="SHALL have a contained resource if a local reference is provided" />
        <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))" />
        <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Reference" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event.performer.actor" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="FiveWs.who" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="ROL-4" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".role" />
      </mapping>
    </element>
    <element id="Encounter.appointment">
      <path value="Encounter.appointment" />
      <short value="安排这次医疗就诊的预约" />
      <definition value="安排这次医疗就诊的预约" />
      <comment value="References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository." />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Encounter.appointment" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Appointment" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ref-1" />
        <severity value="error" />
        <human value="SHALL have a contained resource if a local reference is provided" />
        <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))" />
        <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Reference" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event.basedOn" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="SCH-1 / SCH-2" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".outboundRelationship[typeCode=FLFS].target[classCode=ENC, moodCode=APT]" />
      </mapping>
    </element>
    <element id="Encounter.period">
      <path value="Encounter.period" />
      <short value="此就诊活动的起止时间" />
      <definition value="此就诊活动的开始时间和结束时间" />
      <comment value="如果活动尚未结束且不可预知，结束时间可以省略。" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.period" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Period" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="per-1" />
        <severity value="error" />
        <human value="If present, start SHALL have a lower value than end" />
        <expression value="start.hasValue().not() or end.hasValue().not() or (start &lt;= end)" />
        <xpath value="not(exists(f:start/@value)) or not(exists(f:end/@value)) or (xs:dateTime(f:start/@value) &lt;= xs:dateTime(f:end/@value))" />
        <source value="http://hl7.org/fhir/StructureDefinition/Period" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="DR" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="IVL&lt;TS&gt;[lowClosed=&quot;true&quot; and highClosed=&quot;true&quot;] or URG&lt;TS&gt;[lowClosed=&quot;true&quot; and highClosed=&quot;true&quot;]" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event.occurrence[x]" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="FiveWs.done[x]" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="PV1-44, PV1-45" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".effectiveTime (low &amp; high)" />
      </mapping>
    </element>
    <element id="Encounter.period.id">
      <path value="Encounter.period.id" />
      <representation value="xmlAttr" />
      <short value="Unique id for inter-element referencing" />
      <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string" />
        </extension>
        <code value="http://hl7.org/fhirpath/System.String" />
      </type>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="Encounter.period.extension">
      <path value="Encounter.period.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <description value="Extensions are always sliced by (at least) url" />
        <rules value="open" />
      </slicing>
      <short value="Additional content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Encounter.period.start">
      <path value="Encounter.period.start" />
      <short value="开始时间" />
      <definition value="时间段的开始。包含边界值。" />
      <comment value="If the low element is missing, the meaning is that the low boundary is not known." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Period.start" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="dateTime" />
      </type>
      <condition value="ele-1" />
      <condition value="per-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="DR.1" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./low" />
      </mapping>
    </element>
    <element id="Encounter.period.end">
      <path value="Encounter.period.end" />
      <short value="End time with inclusive boundary, if not ongoing" />
      <definition value="The end of the period. If the end of the period is missing, it means no end was known or planned at the time the instance was created. The start may be in the past, and the end date in the future, which means that period is expected/planned to end at that time." />
      <comment value="The high value includes any matching date/time. i.e. 2012-02-03T10:00:00 is in a period that has an end value of 2012-02-03." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Period.end" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="dateTime" />
      </type>
      <meaningWhenMissing value="If the end of the period is missing, it means that the period is ongoing" />
      <condition value="ele-1" />
      <condition value="per-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="DR.2" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./high" />
      </mapping>
    </element>
    <element id="Encounter.length">
      <path value="Encounter.length" />
      <short value="此就诊活动持续的时长（减去缺席时间）" />
      <definition value="此就诊活动持续的时间长度。应减去其离院期间的时长。" />
      <comment value="由于临时离院等因素，可能与Encounter.period的时间跨度的时长不同。" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.length" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Duration" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="qty-3" />
        <severity value="error" />
        <human value="If a code for the unit is present, the system SHALL also be present" />
        <expression value="code.empty() or system.exists()" />
        <xpath value="not(exists(f:code)) or exists(f:system)" />
        <source value="http://hl7.org/fhir/StructureDefinition/Quantity" />
      </constraint>
      <constraint>
        <key value="drt-1" />
        <severity value="error" />
        <human value="There SHALL be a code if there is a value and it SHALL be an expression of time.  If system is present, it SHALL be UCUM." />
        <expression value="code.exists() implies ((system = %ucum) and value.exists())" />
        <xpath value="(f:code or not(f:value)) and (not(exists(f:system)) or f:system/@value='http://unitsofmeasure.org')" />
        <source value="http://hl7.org/fhir/StructureDefinition/Duration" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="SN (see also Range) or CQ" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="PQ, IVL&lt;PQ&gt;, MO, CO, depending on the values" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="PQ, IVL&lt;PQ&gt; depending on the values" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event.occurrence[x]" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="(PV1-45 less PV1-44) iff ( (PV1-44 not empty) and (PV1-45 not empty) ); units in minutes" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".lengthOfStayQuantity" />
      </mapping>
    </element>
    <element id="Encounter.reasonCode">
      <path value="Encounter.reasonCode" />
      <short value="医疗就诊活动发生的原因（编码）" />
      <definition value="医疗就诊活动发生的原因，用代码表示。对于入院，这可填写入院诊断编码。" />
      <comment value="若要区分主要诊断，需使用标准扩展“主要诊断”（primaryDiagnosis）进行标记，这是一个带顺序的值，第一个值代表主要诊断。不能用一个标志来表示（如：1=主要诊断）" />
      <alias value="Indication" />
      <alias value="Admission diagnosis" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Encounter.reasonCode" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isSummary value="true" />
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="EncounterReason" />
        </extension>
        <strength value="preferred" />
        <description value="Reason why the encounter takes place." />
        <valueSet value="http://hl7.org/fhir/ValueSet/encounter-reason" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event.reasonCode" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="FiveWs.why[x]" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="EVN-4 / PV2-3 (note: PV2-3 is nominally constrained to inpatient admissions; HL7 v2 makes no vocabulary suggestions for PV2-3; would not expect PV2 segment or PV2-3 to be in use in all implementations )" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".reasonCode" />
      </mapping>
    </element>
    <element id="Encounter.reasonReference">
      <path value="Encounter.reasonReference" />
      <short value="医疗就诊活动发生的原因（引用）" />
      <definition value="使用其他资源的信息来说明就诊活动发生的原因，包括诊断与病症、手术、观测、接种建议等。对于入院，通常用一个Condition资源（其相关资源由Condition.evidence.detail引用）来表示入院诊断。" />
      <comment value="对于诊断的分类与分级应使用Encounter.diagnosis" />
      <alias value="Indication" />
      <alias value="Admission diagnosis" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Encounter.reasonReference" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Condition" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Procedure" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Observation" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/ImmunizationRecommendation" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ref-1" />
        <severity value="error" />
        <human value="SHALL have a contained resource if a local reference is provided" />
        <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))" />
        <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Reference" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event.reasonCode" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="FiveWs.why[x]" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="EVN-4 / PV2-3 (note: PV2-3 is nominally constrained to inpatient admissions; HL7 v2 makes no vocabulary suggestions for PV2-3; would not expect PV2 segment or PV2-3 to be in use in all implementations )" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".reasonCode" />
      </mapping>
    </element>
    <element id="Encounter.diagnosis">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name">
        <valueString value="Diagnosis" />
      </extension>
      <path value="Encounter.diagnosis" />
      <short value="与此医疗就诊相关的所有诊断" />
      <definition value="与此医疗就诊相关的所有诊断" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Encounter.diagnosis" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="BackboneElement" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".outboundRelationship[typeCode=RSON]" />
      </mapping>
    </element>
    <element id="Encounter.diagnosis.id">
      <path value="Encounter.diagnosis.id" />
      <representation value="xmlAttr" />
      <short value="Unique id for inter-element referencing" />
      <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string" />
        </extension>
        <code value="http://hl7.org/fhirpath/System.String" />
      </type>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="Encounter.diagnosis.extension">
      <path value="Encounter.diagnosis.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <description value="Extensions are always sliced by (at least) url" />
        <rules value="open" />
      </slicing>
      <short value="Additional content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Encounter.diagnosis.modifierExtension">
      <path value="Encounter.diagnosis.modifierExtension" />
      <short value="Extensions that cannot be ignored even if unrecognized" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.&#xA;&#xA;Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." />
      <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension)." />
      <alias value="extensions" />
      <alias value="user content" />
      <alias value="modifiers" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="BackboneElement.modifierExtension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <isModifier value="true" />
      <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" />
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Encounter.diagnosis.condition">
      <path value="Encounter.diagnosis.condition" />
      <short value="The diagnosis or procedure relevant to the encounter" />
      <definition value="Reason the encounter takes place, as specified using information from another resource. For admissions, this is the admission diagnosis. The indication will typically be a Condition (with other resources referenced in the evidence.detail), or a Procedure." />
      <comment value="For systems that need to know which was the primary diagnosis, these will be marked with the standard extension primaryDiagnosis (which is a sequence value rather than a flag, 1 = primary diagnosis)." />
      <alias value="Admission diagnosis" />
      <alias value="discharge diagnosis" />
      <alias value="indication" />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Encounter.diagnosis.condition" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Condition" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Procedure" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ref-1" />
        <severity value="error" />
        <human value="SHALL have a contained resource if a local reference is provided" />
        <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))" />
        <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Reference" />
      </constraint>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event.reasonReference" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="FiveWs.why[x]" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="Resources that would commonly referenced at Encounter.indication would be Condition and/or Procedure. These most closely align with DG1/PRB and PR1 respectively." />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".outboundRelationship[typeCode=RSON].target" />
      </mapping>
    </element>
    <element id="Encounter.diagnosis.use">
      <path value="Encounter.diagnosis.use" />
      <short value="用途（如入院、主诉、出院…）" />
      <definition value="此诊断或病情在此就诊活动中的作用（如用于入院诊断、主诉、报账…）" />
      <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.diagnosis.use" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="DiagnosisRole" />
        </extension>
        <strength value="preferred" />
        <description value="The type of diagnosis this condition represents." />
        <valueSet value="http://hl7.org/fhir/ValueSet/diagnosis-role" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
    </element>
    <element id="Encounter.diagnosis.rank">
      <path value="Encounter.diagnosis.rank" />
      <short value="诊断排序" />
      <definition value="将每种类型的诊断（入院诊断、出院诊断）按顺序排列，如：主要诊断、第二诊断、第三诊断" />
      <comment value="32 bit number; for values larger than this, use decimal" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.diagnosis.rank" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="positiveInt" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".outboundRelationship[typeCode=RSON].priority" />
      </mapping>
    </element>
    <element id="Encounter.account">
      <path value="Encounter.account" />
      <short value="可用于对为此就诊活动进行支付与结算的一组帐户" />
      <definition value="可用于对为此就诊活动进行支付与结算的一组帐户" />
      <comment value="计费系统可根据内部业务规则将与此就诊活动相关联的收费项目分配给不同的引用帐户。" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Encounter.account" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Account" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ref-1" />
        <severity value="error" />
        <human value="SHALL have a contained resource if a local reference is provided" />
        <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))" />
        <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Reference" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".pertains.A_Account" />
      </mapping>
    </element>
    <element id="Encounter.hospitalization">
      <path value="Encounter.hospitalization" />
      <short value="住院信息" />
      <definition value="入出院信息及住院概要信息" />
      <comment value="医疗就诊活动可能不仅仅包括住院治疗。还包括门诊、社区门诊和老年照护机构等。&#xD;&#xA;&#xD;&#xA;本次住院记录需覆盖的此期间的全部范围。" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.hospitalization" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="BackboneElement" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".outboundRelationship[typeCode=COMP].target[classCode=ENC, moodCode=EVN]" />
      </mapping>
    </element>
    <element id="Encounter.hospitalization.id">
      <path value="Encounter.hospitalization.id" />
      <representation value="xmlAttr" />
      <short value="Unique id for inter-element referencing" />
      <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string" />
        </extension>
        <code value="http://hl7.org/fhirpath/System.String" />
      </type>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="Encounter.hospitalization.extension">
      <path value="Encounter.hospitalization.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <description value="Extensions are always sliced by (at least) url" />
        <rules value="open" />
      </slicing>
      <short value="Additional content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Encounter.hospitalization.modifierExtension">
      <path value="Encounter.hospitalization.modifierExtension" />
      <short value="Extensions that cannot be ignored even if unrecognized" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.&#xA;&#xA;Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." />
      <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension)." />
      <alias value="extensions" />
      <alias value="user content" />
      <alias value="modifiers" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="BackboneElement.modifierExtension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <isModifier value="true" />
      <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" />
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Encounter.hospitalization.preAdmissionIdentifier">
      <path value="Encounter.hospitalization.preAdmissionIdentifier" />
      <short value="预入院标识符" />
      <definition value="预入院标识符，如电话号码、个人信息" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.hospitalization.preAdmissionIdentifier" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Identifier" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CX / EI (occasionally, more often EI maps to a resource id or a URL)" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="II - The Identifier class is a little looser than the v3 type II because it allows URIs as well as registered OIDs or GUIDs.  Also maps to Role[classCode=IDENT]" />
      </mapping>
      <mapping>
        <identity value="servd" />
        <map value="Identifier" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="PV1-5" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".id" />
      </mapping>
    </element>
    <element id="Encounter.hospitalization.origin">
      <path value="Encounter.hospitalization.origin" />
      <short value="入院来源地" />
      <definition value="患者入院前所在的地点或机构。" />
      <comment value="References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.hospitalization.origin" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Location" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ref-1" />
        <severity value="error" />
        <human value="SHALL have a contained resource if a local reference is provided" />
        <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))" />
        <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Reference" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".participation[typeCode=ORG].role" />
      </mapping>
    </element>
    <element id="Encounter.hospitalization.admitSource">
      <path value="Encounter.hospitalization.admitSource" />
      <short value="入院途径" />
      <definition value="患者入院途径（医生转诊、转院）" />
      <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.hospitalization.admitSource" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="AdmitSource" />
        </extension>
        <strength value="preferred" />
        <description value="From where the patient was admitted." />
        <valueSet value="http://hl7.org/fhir/ValueSet/encounter-admit-source" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="PV1-14" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".admissionReferralSourceCode" />
      </mapping>
    </element>
    <element id="Encounter.hospitalization.reAdmission">
      <path value="Encounter.hospitalization.reAdmission" />
      <short value="非计划再入院" />
      <definition value="是否属于非计划再入院，以及再入院的原因。" />
      <comment value="已发生的再入院类型。如果该值为空，则不会将其标识为“再入院”" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.hospitalization.reAdmission" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="ReAdmissionType" />
        </extension>
        <strength value="example" />
        <description value="The reason for re-admission of this hospitalization encounter." />
        <valueSet value="http://terminology.hl7.org/ValueSet/v2-0092" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="PV1-13" />
      </mapping>
    </element>
    <element id="Encounter.hospitalization.dietPreference">
      <path value="Encounter.hospitalization.dietPreference" />
      <short value="患者报告的饮食习惯" />
      <definition value="患者报告的饮食禁忌或偏好" />
      <comment value="例如，患者可以同时提出不吃无乳制品和不吃坚果的饮食要求（不相互排斥）。" />
      <requirements value="用于跟踪患者的饮食禁忌或偏好。若要完整描述患者在住院期间的营养需求，应使用一个指向此医疗就诊活动的营养处方资源。" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Encounter.hospitalization.dietPreference" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="PatientDiet" />
        </extension>
        <strength value="example" />
        <description value="Medical, cultural or ethical food preferences to help with catering requirements." />
        <valueSet value="http://hl7.org/fhir/ValueSet/encounter-diet" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="PV1-38" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".outboundRelationship[typeCode=COMP].target[classCode=SBADM, moodCode=EVN, code=&quot;diet&quot;]" />
      </mapping>
    </element>
    <element id="Encounter.hospitalization.specialCourtesy">
      <path value="Encounter.hospitalization.specialCourtesy" />
      <short value="特别礼遇（VIP、本院职工）" />
      <definition value="特别礼遇（VIP、本院职工）" />
      <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination." />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Encounter.hospitalization.specialCourtesy" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Courtesies" />
        </extension>
        <strength value="preferred" />
        <description value="Special courtesies." />
        <valueSet value="http://hl7.org/fhir/ValueSet/encounter-special-courtesy" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="PV1-16" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".specialCourtesiesCode" />
      </mapping>
    </element>
    <element id="Encounter.hospitalization.specialArrangement">
      <path value="Encounter.hospitalization.specialArrangement" />
      <short value="附加需求" />
      <definition value="本次住院治疗中提出的所有特殊要求，包括提供特定设备或其他物品，如：轮椅、翻译、担架等。" />
      <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination." />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Encounter.hospitalization.specialArrangement" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Arrangements" />
        </extension>
        <strength value="preferred" />
        <description value="Special arrangements." />
        <valueSet value="http://hl7.org/fhir/ValueSet/encounter-special-arrangements" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="PV1-15 / OBR-30 / OBR-43" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".specialArrangementCode" />
      </mapping>
    </element>
    <element id="Encounter.hospitalization.destination">
      <path value="Encounter.hospitalization.destination" />
      <short value="出院目的地" />
      <definition value="患者出院到哪里（地点、机构）" />
      <comment value="References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.hospitalization.destination" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Location" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ref-1" />
        <severity value="error" />
        <human value="SHALL have a contained resource if a local reference is provided" />
        <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))" />
        <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Reference" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="PV1-37" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".participation[typeCode=DST]" />
      </mapping>
    </element>
    <element id="Encounter.hospitalization.dischargeDisposition">
      <path value="Encounter.hospitalization.dischargeDisposition" />
      <short value="离院方式" />
      <definition value="患者离院方式及其出院后的安排" />
      <comment value="Not all terminology uses fit this general pattern. In some cases, models should not use CodeableConcept and use Coding directly and provide their own structure for managing text, codings, translations and the relationship between elements and pre- and post-coordination." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.hospitalization.dischargeDisposition" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="DischargeDisp" />
        </extension>
        <strength value="extensible" />
        <description value="取自《WS 364-2011_卫生信息数据元值域代码》CV06.00.226 离院方式" />
        <valueSet value="http://ValueSet.hl7fhir.cn/encounter-status-vs" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="PV1-36" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".dischargeDispositionCode" />
      </mapping>
    </element>
    <element id="Encounter.location">
      <path value="Encounter.location" />
      <short value="位置信息" />
      <definition value="患者在此就诊期间去过哪些位置。包括病区、病房、床位等。" />
      <comment value="可以通过同时指定Encounter.class = &quot;virtual&quot; 和 Encounter.location.physicalType 的值（如患者家中）来记录虚拟就诊信息。" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Encounter.location" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="BackboneElement" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".participation[typeCode=LOC]" />
      </mapping>
    </element>
    <element id="Encounter.location.id">
      <path value="Encounter.location.id" />
      <representation value="xmlAttr" />
      <short value="Unique id for inter-element referencing" />
      <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string" />
        </extension>
        <code value="http://hl7.org/fhirpath/System.String" />
      </type>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="Encounter.location.extension">
      <path value="Encounter.location.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <description value="Extensions are always sliced by (at least) url" />
        <rules value="open" />
      </slicing>
      <short value="Additional content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Encounter.location.modifierExtension">
      <path value="Encounter.location.modifierExtension" />
      <short value="Extensions that cannot be ignored even if unrecognized" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.&#xA;&#xA;Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." />
      <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension)." />
      <alias value="extensions" />
      <alias value="user content" />
      <alias value="modifiers" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="BackboneElement.modifierExtension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ext-1" />
        <severity value="error" />
        <human value="Must have either extensions or value[x], not both" />
        <expression value="extension.exists() != value.exists()" />
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <isModifier value="true" />
      <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" />
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Encounter.location.location">
      <path value="Encounter.location.location" />
      <short value="就诊地点" />
      <definition value="此医疗就诊活动的发生地点" />
      <comment value="References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Encounter.location.location" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Location" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ref-1" />
        <severity value="error" />
        <human value="SHALL have a contained resource if a local reference is provided" />
        <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))" />
        <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Reference" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event.location" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="FiveWs.where[x]" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="PV1-3 / PV1-6 / PV1-11 / PV1-42 / PV1-43" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".role" />
      </mapping>
    </element>
    <element id="Encounter.location.status">
      <path value="Encounter.location.status" />
      <short value="在某时段内患者是否在此处" />
      <definition value="在某时段内患者在此地点的状态：已预定、已在位、预留中、已完成（planned | active | reserved | completed）。" />
      <comment value="如果患者不再在该位置，则Encounter.location.period应填写结束日期/时间。，状态可能更改为“completed”。" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.location.status" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="code" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="EncounterLocationStatus" />
        </extension>
        <strength value="required" />
        <description value="The status of the location." />
        <valueSet value="http://hl7.org/fhir/ValueSet/encounter-location-status|4.0.1" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".role.statusCode" />
      </mapping>
    </element>
    <element id="Encounter.location.physicalType">
      <path value="Encounter.location.physicalType" />
      <short value="位置的物理类型（通常是分层级的，如：病区、病房等）" />
      <definition value="用于指定记录位置的级别（病床/病区/病房等），以简化消息传递或查询。" />
      <comment value="此信息可以重新指定位置资源中的物理类型（Location.physicalType），以便在消息传递或查询中更容易理解和处理医疗就诊资源。&#xD;&#xA;&#xD;&#xA;可能会有层级式的多个级别，也可能只是特定使用场景所需的某些级别。" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.location.physicalType" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="PhysicalType" />
        </extension>
        <strength value="example" />
        <description value="Physical form of the location." />
        <valueSet value="http://hl7.org/fhir/ValueSet/location-physical-type" />
      </binding>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="CE/CNE/CWE" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept rdfs:subClassOf dt:CD" />
      </mapping>
    </element>
    <element id="Encounter.location.period">
      <path value="Encounter.location.period" />
      <short value="在位时段" />
      <definition value="患者在此位置的时间段。" />
      <comment value="时段指定时间范围；&#xD;&#xA;时段不用于持续时间（对已用时间的度量）。请参阅数据类型：[Duration]" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.location.period" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Period" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="per-1" />
        <severity value="error" />
        <human value="If present, start SHALL have a lower value than end" />
        <expression value="start.hasValue().not() or end.hasValue().not() or (start &lt;= end)" />
        <xpath value="not(exists(f:start/@value)) or not(exists(f:end/@value)) or (xs:dateTime(f:start/@value) &lt;= xs:dateTime(f:end/@value))" />
        <source value="http://hl7.org/fhir/StructureDefinition/Period" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="DR" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="IVL&lt;TS&gt;[lowClosed=&quot;true&quot; and highClosed=&quot;true&quot;] or URG&lt;TS&gt;[lowClosed=&quot;true&quot; and highClosed=&quot;true&quot;]" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".time" />
      </mapping>
    </element>
    <element id="Encounter.serviceProvider">
      <path value="Encounter.serviceProvider" />
      <short value="对本次医疗就诊活动负责的组织单位（医疗机构）" />
      <definition value="对本次就诊服务负主要责任的组织单位，这与患者记录上的医疗机构可能相同，但也可能不同， 例如，参与者来自外部组织，并且提供的是单独收费的额外服务。" />
      <comment value="References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.serviceProvider" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ref-1" />
        <severity value="error" />
        <human value="SHALL have a contained resource if a local reference is provided" />
        <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))" />
        <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Reference" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event.performer.actor" />
      </mapping>
      <mapping>
        <identity value="v2" />
        <map value="PL.6  &amp; PL.1" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".particiaption[typeCode=PFM].role" />
      </mapping>
    </element>
    <element id="Encounter.partOf">
      <path value="Encounter.partOf" />
      <short value="包含此医疗就诊活动的另一个医疗就诊资源" />
      <definition value="另一个医疗就诊资源，此医疗就诊活动是其中的一部分（在管理上或时间上）。" />
      <comment value="可用于关联新生儿医疗就诊资源与产妇医疗就诊资源。&#xD;&#xA;详细信息请参阅“患者资源”中的官方说明。" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Encounter.partOf" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Encounter" />
      </type>
      <condition value="ele-1" />
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <constraint>
        <key value="ref-1" />
        <severity value="error" />
        <human value="SHALL have a contained resource if a local reference is provided" />
        <expression value="reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids'))" />
        <xpath value="not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Reference" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="The target of a resource reference is a RIM entry point (Act, Role, or Entity)" />
      </mapping>
      <mapping>
        <identity value="workflow" />
        <map value="Event.partOf" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value=".inboundRelationship[typeCode=COMP].source[classCode=COMP, moodCode=EVN]" />
      </mapping>
    </element>
  </snapshot>
  <differential>
    <element id="Encounter">
      <path value="Encounter" />
      <short value="为患者提供服务的活动" />
      <definition value="患者和卫生健康提供者之间的交互活动，交互目的是提供卫生健康服务或评估患者的健康状况。" />
    </element>
    <element id="Encounter.identifier">
      <path value="Encounter.identifier" />
      <short value="本次医疗活动的业务ID" />
      <definition value="本次医疗活动的各种业务标识符" />
      <comment value="这是业务id，并不是资源服务器上的逻辑ID" />
      <type>
        <code value="Identifier" />
        <profile value="http://StructureDefinition.hl7fhir.cn/Identifier" />
      </type>
    </element>
    <element id="Encounter.status">
      <path value="Encounter.status" />
      <short value="目前的就诊状态" />
      <comment value="请注意，内部业务规则决定状态之间可能发生的适当转换。" />
      <isModifierReason value="当此元素的值为entered-in-error时，此资源的意思将发生变化：这是一个由于录入错录产生的无效资源" />
    </element>
    <element id="Encounter.statusHistory">
      <path value="Encounter.statusHistory" />
      <short value="就诊状态历史记录" />
      <definition value="状态历史记录了此医疗活动在不同时间段所处的不同状态。" />
      <comment value="当前状态始终位于Encounter.status中，不会在状态历史中记录。" />
    </element>
    <element id="Encounter.statusHistory.status">
      <path value="Encounter.statusHistory.status" />
      <short value="历史的就诊状态" />
    </element>
    <element id="Encounter.statusHistory.period">
      <path value="Encounter.statusHistory.period" />
      <short value="历史状态时段" />
      <definition value="处于此状态的时间段。" />
      <comment value="时段指定时间范围；&#xD;&#xA;时段不用于持续时间（对已用时间的度量）。请参阅数据类型：[Duration]" />
    </element>
    <element id="Encounter.class">
      <path value="Encounter.class" />
      <short value="医疗就诊活动的分类" />
      <definition value="医疗活动的分类，如门诊、住院、急诊、家庭医疗或其他医疗活动。&#xD;&#xA;1门诊、2急诊、3住院、9其他" />
      <comment value="选自《WS 364-2011_卫生信息数据元值域代码》中的CV09.00.404。可扩展" />
      <binding>
        <strength value="extensible" />
        <description value="就诊类别" />
        <valueSet value="http://ValueSet.hl7fhir.cn/patient-type-vs" />
      </binding>
    </element>
    <element id="Encounter.classHistory">
      <path value="Encounter.classHistory" />
      <short value="就诊类别变更历史" />
      <definition value="就诊类别历史记录可以在不遍历资源历史记录的情况下跟踪医疗就诊活动类别的变化。这将用于这样一种情况：刚开始是急诊，然后通过急诊入院转为住院。 用这种方式记录而不是新建一次医疗就诊活动的好处在于此患者的所有检验检查的诊断结果都可以更容易的获取，因为不会在急诊出院又重新入院的过程中造成数据的无法关联，也不需要通过患者索引来重新处理数据。" />
    </element>
    <element id="Encounter.classHistory.class">
      <path value="Encounter.classHistory.class" />
      <short value="医疗就诊活动的分类" />
      <definition value="医疗活动的分类，如门诊、住院、急诊、家庭医疗或其他医疗活动。&#xD;&#xA;inpatient | outpatient | ambulatory | emergency +." />
      <binding>
        <strength value="extensible" />
        <description value="就诊类别" />
        <valueSet value="http://ValueSet.hl7fhir.cn/patient-type-vs" />
      </binding>
    </element>
    <element id="Encounter.type">
      <path value="Encounter.type" />
      <short value="医疗活动的具体类型" />
      <definition value="医疗活动的具体类型。例如：电子邮件咨询、外科手术、家庭护理、产后康复。" />
    </element>
    <element id="Encounter.serviceType">
      <path value="Encounter.serviceType" />
      <short value="医疗服务的广义分类" />
      <definition value="提供服务的广义分类，如心脏病学。" />
    </element>
    <element id="Encounter.priority">
      <path value="Encounter.priority" />
      <short value="优先级" />
      <definition value="表示医疗就诊活动的紧迫性" />
    </element>
    <element id="Encounter.subject">
      <path value="Encounter.subject" />
      <short value="服务对象" />
      <definition value="此医疗活动的服务对象：患者或群体。" />
      <comment value="虽然医疗就诊的服务对象总是患者，但在某些场境中，可能并知道患者的真实身份，可能存在一组匿名患者，例如在匿名戒酒者团体治疗中——在这种情况下，医疗就诊的记录可用于对人数/工作人员进行计费，而不并不关注病人的具体信息。在兽医治疗的场景中，服务对象可能是接受治疗的一群羊（在这种情况下,不会单个动物进行追踪）。" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://StructureDefinition.hl7fhir.cn/Group" />
        <targetProfile value="http://StructureDefinition.hl7fhir.cn/Patient" />
      </type>
    </element>
    <element id="Encounter.episodeOfCare">
      <path value="Encounter.episodeOfCare" />
      <short value="此医疗就诊资源需要记录的治疗/照护期资源" />
      <definition value="当医疗就诊活动事件应被归类为某些治疗/照护期的一部分时，应使用此字段。这种关联可以方便地将相关医疗就诊活动按目的进行分组，例如上报数据、问题追踪、常见问题相关性。 因为治疗/照护期可能很长（跨越数年），在其结束之前通常不会先创建治疗/照护期资源并通过编辑更新逐步附加相关医疗就诊资源，而是在其结束后创建并按条目分组。所以，为了方便后期创建治疗/照护期资源时获取相关信息，当这种关联信息产生时就先记录在医疗就诊资源里。" />
      <comment value="EpisodeOfCare和Encounter之间的主要区别在于：Encounter记录与患者直接相关的活动细节，而EpisodeOfCare是一个容器，它可以按问题分组，将一系列的相关Encounter联系在一起。" />
    </element>
    <element id="Encounter.basedOn">
      <path value="Encounter.basedOn" />
      <short value="导致此医疗就诊资源的服务申请（ServiceRequest ）" />
      <definition value="此医疗就诊资源是基于哪些申请产生的（例如转入申请或手术申请）。" />
    </element>
    <element id="Encounter.participant">
      <path value="Encounter.participant" />
      <short value="参与此医疗活动的服务人员" />
      <definition value="负责提供服务的人员名单。" />
    </element>
    <element id="Encounter.participant.type">
      <path value="Encounter.participant.type" />
      <short value="服务人员参与此活动的角色类型" />
      <definition value="服务人员在本次医疗活动中充当的角色" />
      <comment value="此类型说明了医务人员或其它人员如何参与此医疗活动的。 对于医务人员，描述的是本次医疗活动场景中，在参与具体活动时所扮演的角色（例如，患者的住院医师、转诊办理员、咨询师、患者的护工）。 它与医疗服务人员角色（PractitionerRole）不同，PractitionerRole是其所属组织中的角色，是通过受聘情况、教育背景等来确定的。这些角色可以通过Encounter.participant.individual元素来指定" />
    </element>
    <element id="Encounter.participant.individual">
      <path value="Encounter.participant.individual" />
      <short value="除了病人之外的其他参与人。" />
      <definition value="除了病人之外的其他参与人。" />
      <comment value="医疗服务人员（Practitioner）, 用于指定具体的医疗服务人员其及相关的执业资格/职称。&#xD;&#xA;&#xD;&#xA;医疗服务人员角色（PractitionerRole）, 用于在指定具体的医疗服务人员的同时，明确此人员在其所属组织中的角色/岗位，而非此医疗就诊活动中扮演的角色(Encounter.participant.type)" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson" />
        <targetProfile value="http://StructureDefinition/hl7fhir.cn/Practitioner" />
        <targetProfile value="http://StructureDefinition/hl7fhir.cn/PractitionerRole" />
      </type>
    </element>
    <element id="Encounter.appointment">
      <path value="Encounter.appointment" />
      <short value="安排这次医疗就诊的预约" />
      <definition value="安排这次医疗就诊的预约" />
    </element>
    <element id="Encounter.period">
      <path value="Encounter.period" />
      <short value="此就诊活动的起止时间" />
      <definition value="此就诊活动的开始时间和结束时间" />
      <comment value="如果活动尚未结束且不可预知，结束时间可以省略。" />
    </element>
    <element id="Encounter.period.start">
      <path value="Encounter.period.start" />
      <short value="开始时间" />
      <definition value="时间段的开始。包含边界值。" />
    </element>
    <element id="Encounter.length">
      <path value="Encounter.length" />
      <short value="此就诊活动持续的时长（减去缺席时间）" />
      <definition value="此就诊活动持续的时间长度。应减去其离院期间的时长。" />
      <comment value="由于临时离院等因素，可能与Encounter.period的时间跨度的时长不同。" />
    </element>
    <element id="Encounter.reasonCode">
      <path value="Encounter.reasonCode" />
      <short value="医疗就诊活动发生的原因（编码）" />
      <definition value="医疗就诊活动发生的原因，用代码表示。对于入院，这可填写入院诊断编码。" />
      <comment value="若要区分主要诊断，需使用标准扩展“主要诊断”（primaryDiagnosis）进行标记，这是一个带顺序的值，第一个值代表主要诊断。不能用一个标志来表示（如：1=主要诊断）" />
    </element>
    <element id="Encounter.reasonReference">
      <path value="Encounter.reasonReference" />
      <short value="医疗就诊活动发生的原因（引用）" />
      <definition value="使用其他资源的信息来说明就诊活动发生的原因，包括诊断与病症、手术、观测、接种建议等。对于入院，通常用一个Condition资源（其相关资源由Condition.evidence.detail引用）来表示入院诊断。" />
      <comment value="对于诊断的分类与分级应使用Encounter.diagnosis" />
    </element>
    <element id="Encounter.diagnosis">
      <path value="Encounter.diagnosis" />
      <short value="与此医疗就诊相关的所有诊断" />
      <definition value="与此医疗就诊相关的所有诊断" />
    </element>
    <element id="Encounter.diagnosis.use">
      <path value="Encounter.diagnosis.use" />
      <short value="用途（如入院、主诉、出院…）" />
      <definition value="此诊断或病情在此就诊活动中的作用（如用于入院诊断、主诉、报账…）" />
    </element>
    <element id="Encounter.diagnosis.rank">
      <path value="Encounter.diagnosis.rank" />
      <short value="诊断排序" />
      <definition value="将每种类型的诊断（入院诊断、出院诊断）按顺序排列，如：主要诊断、第二诊断、第三诊断" />
    </element>
    <element id="Encounter.account">
      <path value="Encounter.account" />
      <short value="可用于对为此就诊活动进行支付与结算的一组帐户" />
      <definition value="可用于对为此就诊活动进行支付与结算的一组帐户" />
      <comment value="计费系统可根据内部业务规则将与此就诊活动相关联的收费项目分配给不同的引用帐户。" />
    </element>
    <element id="Encounter.hospitalization">
      <path value="Encounter.hospitalization" />
      <short value="住院信息" />
      <definition value="入出院信息及住院概要信息" />
      <comment value="医疗就诊活动可能不仅仅包括住院治疗。还包括门诊、社区门诊和老年照护机构等。&#xD;&#xA;&#xD;&#xA;本次住院记录需覆盖的此期间的全部范围。" />
    </element>
    <element id="Encounter.hospitalization.preAdmissionIdentifier">
      <path value="Encounter.hospitalization.preAdmissionIdentifier" />
      <short value="预入院标识符" />
      <definition value="预入院标识符，如电话号码、个人信息" />
    </element>
    <element id="Encounter.hospitalization.origin">
      <path value="Encounter.hospitalization.origin" />
      <short value="入院来源地" />
      <definition value="患者入院前所在的地点或机构。" />
    </element>
    <element id="Encounter.hospitalization.admitSource">
      <path value="Encounter.hospitalization.admitSource" />
      <short value="入院途径" />
      <definition value="患者入院途径（医生转诊、转院）" />
    </element>
    <element id="Encounter.hospitalization.reAdmission">
      <path value="Encounter.hospitalization.reAdmission" />
      <short value="非计划再入院" />
      <definition value="是否属于非计划再入院，以及再入院的原因。" />
      <comment value="已发生的再入院类型。如果该值为空，则不会将其标识为“再入院”" />
    </element>
    <element id="Encounter.hospitalization.dietPreference">
      <path value="Encounter.hospitalization.dietPreference" />
      <short value="患者报告的饮食习惯" />
      <definition value="患者报告的饮食禁忌或偏好" />
      <comment value="例如，患者可以同时提出不吃无乳制品和不吃坚果的饮食要求（不相互排斥）。" />
      <requirements value="用于跟踪患者的饮食禁忌或偏好。若要完整描述患者在住院期间的营养需求，应使用一个指向此医疗就诊活动的营养处方资源。" />
    </element>
    <element id="Encounter.hospitalization.specialCourtesy">
      <path value="Encounter.hospitalization.specialCourtesy" />
      <short value="特别礼遇（VIP、本院职工）" />
      <definition value="特别礼遇（VIP、本院职工）" />
    </element>
    <element id="Encounter.hospitalization.specialArrangement">
      <path value="Encounter.hospitalization.specialArrangement" />
      <short value="附加需求" />
      <definition value="本次住院治疗中提出的所有特殊要求，包括提供特定设备或其他物品，如：轮椅、翻译、担架等。" />
    </element>
    <element id="Encounter.hospitalization.destination">
      <path value="Encounter.hospitalization.destination" />
      <short value="出院目的地" />
      <definition value="患者出院到哪里（地点、机构）" />
    </element>
    <element id="Encounter.hospitalization.dischargeDisposition">
      <path value="Encounter.hospitalization.dischargeDisposition" />
      <short value="离院方式" />
      <definition value="患者离院方式及其出院后的安排" />
      <binding>
        <strength value="extensible" />
        <description value="取自《WS 364-2011_卫生信息数据元值域代码》CV06.00.226 离院方式" />
        <valueSet value="http://ValueSet.hl7fhir.cn/encounter-status-vs" />
      </binding>
    </element>
    <element id="Encounter.location">
      <path value="Encounter.location" />
      <short value="位置信息" />
      <definition value="患者在此就诊期间去过哪些位置。包括病区、病房、床位等。" />
      <comment value="可以通过同时指定Encounter.class = &quot;virtual&quot; 和 Encounter.location.physicalType 的值（如患者家中）来记录虚拟就诊信息。" />
    </element>
    <element id="Encounter.location.location">
      <path value="Encounter.location.location" />
      <short value="就诊地点" />
      <definition value="此医疗就诊活动的发生地点" />
    </element>
    <element id="Encounter.location.status">
      <path value="Encounter.location.status" />
      <short value="在某时段内患者是否在此处" />
      <definition value="在某时段内患者在此地点的状态：已预定、已在位、预留中、已完成（planned | active | reserved | completed）。" />
      <comment value="如果患者不再在该位置，则Encounter.location.period应填写结束日期/时间。，状态可能更改为“completed”。" />
    </element>
    <element id="Encounter.location.physicalType">
      <path value="Encounter.location.physicalType" />
      <short value="位置的物理类型（通常是分层级的，如：病区、病房等）" />
      <definition value="用于指定记录位置的级别（病床/病区/病房等），以简化消息传递或查询。" />
      <comment value="此信息可以重新指定位置资源中的物理类型（Location.physicalType），以便在消息传递或查询中更容易理解和处理医疗就诊资源。&#xD;&#xA;&#xD;&#xA;可能会有层级式的多个级别，也可能只是特定使用场景所需的某些级别。" />
    </element>
    <element id="Encounter.location.period">
      <path value="Encounter.location.period" />
      <short value="在位时段" />
      <definition value="患者在此位置的时间段。" />
      <comment value="时段指定时间范围；&#xD;&#xA;时段不用于持续时间（对已用时间的度量）。请参阅数据类型：[Duration]" />
    </element>
    <element id="Encounter.serviceProvider">
      <path value="Encounter.serviceProvider" />
      <short value="对本次医疗就诊活动负责的组织单位（医疗机构）" />
      <definition value="对本次就诊服务负主要责任的组织单位，这与患者记录上的医疗机构可能相同，但也可能不同， 例如，参与者来自外部组织，并且提供的是单独收费的额外服务。" />
    </element>
    <element id="Encounter.partOf">
      <path value="Encounter.partOf" />
      <short value="包含此医疗就诊活动的另一个医疗就诊资源" />
      <definition value="另一个医疗就诊资源，此医疗就诊活动是其中的一部分（在管理上或时间上）。" />
      <comment value="可用于关联新生儿医疗就诊资源与产妇医疗就诊资源。&#xD;&#xA;详细信息请参阅“患者资源”中的官方说明。" />
    </element>
  </differential>
</StructureDefinition>