<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="shareablevalueset" />
  <text>
    <status value="generated" />
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p>The narrative has been removed to reduce the size of the distribution of the Hl7.Fhir.Specification library</p>
    </div>
  </text>
  <url value="http://hl7.org/fhir/StructureDefinition/shareablevalueset" />
  <name value="Shareable ValueSet" />
  <status value="draft" />
  <experimental value="false" />
  <publisher value="HL7" />
  <description value="Enforces the minimum information set for the value set metadata required by HL7 and other organisations that share and publish value sets" />
  <fhirVersion value="3.0.0" />
  <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/w5" />
    <name value="W5 Mapping" />
  </mapping>
  <mapping>
    <identity value="define.xml2.0" />
    <uri value="http://www.cdisc.org/define-xml" />
    <name value="CDISC Define XML 2.0 metadata standard" />
  </mapping>
  <mapping>
    <identity value="objimpl" />
    <uri value="http://hl7.org/fhir/object-implementation" />
    <name value="Object Implementation Information" />
  </mapping>
  <kind value="resource" />
  <abstract value="false" />
  <type value="ValueSet" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/ValueSet" />
  <derivation value="constraint" />
  <snapshot>
    <element id="ValueSet">
      <path value="ValueSet" />
      <short value="A set of codes drawn from one or more code systems" />
      <definition value="A value set specifies a set of codes drawn from one or more code systems." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Resource" />
        <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-1" />
        <severity value="error" />
        <human value="If the resource is contained in another resource, it SHALL NOT contain any narrative" />
        <expression value="contained.text.empty()" />
        <xpath value="not(parent::f:contained and f:text)" />
        <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" />
        <expression value="contained.where(('#'+id in %resource.descendants().reference).not()).empty()" />
        <xpath value="not(exists(for $id in f:contained/*/@id return $id[not(ancestor::f:contained/parent::*/descendant::f:reference/@value=concat('#', $id))]))" />
        <source value="http://hl7.org/fhir/StructureDefinition/DomainResource" />
      </constraint>
      <constraint>
        <key value="vsd-5" />
        <severity value="error" />
        <human value="Value set SHALL contain at least one of a compose or an expansion element" />
        <expression value="compose.exists() or expansion.exists()" />
        <xpath value="exists(f:compose) or exists(f:expansion)" />
        <source value="http://hl7.org/fhir/StructureDefinition/ValueSet" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="Entity. Role, or Act" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="conformance.terminology" />
      </mapping>
    </element>
    <element id="ValueSet.id">
      <path value="ValueSet.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>
        <code value="id" />
      </type>
      <isSummary value="true" />
    </element>
    <element id="ValueSet.meta">
      <path value="ValueSet.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 may 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>
      <isSummary value="true" />
    </element>
    <element id="ValueSet.implicitRules">
      <path value="ValueSet.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." />
      <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. &#xA;&#xA;This element is labelled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Resource.implicitRules" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="uri" />
      </type>
      <isModifier value="true" />
      <isSummary value="true" />
    </element>
    <element id="ValueSet.language">
      <path value="ValueSet.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>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet">
          <valueReference>
            <reference value="http://hl7.org/fhir/ValueSet/all-languages" />
          </valueReference>
        </extension>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Language" />
        </extension>
        <strength value="extensible" />
        <description value="A human language." />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/languages" />
        </valueSetReference>
      </binding>
    </element>
    <element id="ValueSet.text">
      <path value="ValueSet.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 may 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 in formation 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="dom-1" />
      <mapping>
        <identity value="rim" />
        <map value="Act.text?" />
      </mapping>
    </element>
    <element id="ValueSet.contained">
      <path value="ValueSet.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." />
      <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="ValueSet.extension">
      <path value="ValueSet.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. In order 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." />
      <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>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="ValueSet.modifierExtension">
      <path value="ValueSet.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. Usually modifier elements provide negation or qualification. In order 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." />
      <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.modifierExtension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <isModifier value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="ValueSet.url">
      <path value="ValueSet.url" />
      <short value="Logical URI to reference this value set (globally unique)" />
      <definition value="An absolute URI that is used to identify this value set when it is referenced in a specification, model, design or an instance. This SHALL be a URL, SHOULD be globally unique, and SHOULD be an address at which this value set is (or will be) published. The URL SHOULD include the major version of the value set. For more information see [Technical and Business Versions](resource.html#versions)." />
      <comment value="Can be a urn:uuid: or a urn:oid:, but real http: addresses are preferred.  Multiple instances may share the same url if they have a distinct version." />
      <requirements value="Allows the value set to be referenced by a single globally unique identifier." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="ValueSet.url" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="uri" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="id" />
      </mapping>
    </element>
    <element id="ValueSet.identifier">
      <path value="ValueSet.identifier" />
      <short value="Additional identifier for the value set" />
      <definition value="A formal identifier that is used to identify this value set when it is represented in other formats, or referenced in a specification, model, design or an instance." />
      <comment value="Typically, this is used for identifiers that can go in an HL7 V3 II (instance identifier) data type, e.g., to identify this value set outside of FHIR, where it is not possible to use the logical URI." />
      <requirements value="Allows externally provided and/or usable business identifiers to be easily associated with the module." />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="ValueSet.identifier" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Identifier" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="define.xml2.0" />
        <map value="Identifier part" />
      </mapping>
      <mapping>
        <identity value="objimpl" />
        <map value="no-gen-base" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="id" />
      </mapping>
    </element>
    <element id="ValueSet.version">
      <path value="ValueSet.version" />
      <short value="Business version of the value set" />
      <definition value="The identifier that is used to identify this version of the value set when it is referenced in a specification, model, design or instance. This is an arbitrary value managed by the value set author and is not expected to be globally unique. For example, it might be a timestamp (e.g. yyyymmdd) if a managed version is not available. There is also no expectation that versions can be placed in a lexicographical sequence." />
      <comment value="There may be different value set instances that have the same identifier but different versions.  The version can be appended to the url in a reference to allow a refrence to a particular business version of the value set with the format [url]|[version]." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="ValueSet.version" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="w5" />
        <map value="id.version" />
      </mapping>
    </element>
    <element id="ValueSet.name">
      <path value="ValueSet.name" />
      <short value="Name for this value set (computer friendly)" />
      <definition value="A natural language name identifying the value set. This name should be usable as an identifier for the module by machine processing applications such as code generation." />
      <comment value="The name is not expected to be globally unique. The name should be a simple alpha-numeric type name to ensure that it is computable friendly. A name should be provided unless the value set is a contained resource (e.g. an anonymous value set in a profile). Most registries will require a name." />
      <requirements value="Support human navigation and code generation." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="ValueSet.name" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
    </element>
    <element id="ValueSet.title">
      <path value="ValueSet.title" />
      <short value="Name for this value set (human friendly)" />
      <definition value="A short, descriptive, user-friendly title for the value set." />
      <comment value="This name does not need to be machine-processing friendly and may contain punctuation, white-space, etc." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="ValueSet.title" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
    </element>
    <element id="ValueSet.status">
      <path value="ValueSet.status" />
      <short value="draft | active | retired | unknown" />
      <definition value="The status of this value set. Enables tracking the life-cycle of the content." />
      <comment value="Allows filtering of value sets that are appropriate for use vs. not.  &#xA;This is labeled as &quot;Is Modifier&quot; because applications should not use a retired value set without due consideration." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="ValueSet.status" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="code" />
      </type>
      <isModifier value="true" />
      <isSummary value="true" />
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="PublicationStatus" />
        </extension>
        <strength value="required" />
        <description value="The lifecycle status of a Value Set or Concept Map." />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/publication-status" />
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="w5" />
        <map value="status" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="ValueSet.experimental">
      <path value="ValueSet.experimental" />
      <short value="For testing purposes, not real usage" />
      <definition value="A boolean value to indicate that this value set is authored for testing purposes (or education/evaluation/marketing), and is not intended to be used for genuine usage." />
      <comment value="Allows filtering of value set that are appropriate for use vs. not. This is labeled as &quot;Is Modifier&quot; because applications should not use an experimental value set in production." />
      <requirements value="Enables experimental content to be developed following the same lifecycle that would be used for a production-level value set." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="ValueSet.experimental" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="boolean" />
      </type>
      <isModifier value="true" />
      <isSummary value="true" />
      <mapping>
        <identity value="w5" />
        <map value="class" />
      </mapping>
    </element>
    <element id="ValueSet.date">
      <path value="ValueSet.date" />
      <short value="Date this was last changed" />
      <definition value="The date  (and optionally time) when the value set was published. The date must change if and when the business version changes and it must change if the status code changes. In addition, it should change when the substantive content of the value set changes. (e.g. the 'content logical definition')." />
      <comment value="Note that this is not the same as the resource last-modified-date, since the resource may be a secondary representation of the value set. Additional specific dates may be added as extensions or be found by consulting Provenances associated with past versions of the resource." />
      <alias value="Revision Date" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="ValueSet.date" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="dateTime" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="when.recorded" />
      </mapping>
    </element>
    <element id="ValueSet.publisher">
      <path value="ValueSet.publisher" />
      <short value="Name of the publisher (organization or individual)" />
      <definition value="The name of the individual or organization that published the value set." />
      <comment value="Usually an organization, but may be an individual. The publisher (or steward) of the value set is the organization or individual primarily responsible for the maintenance and upkeep of the value set. This is not necessarily the same individual or organization that developed and initially authored the content. The publisher is the primary point of contact for questions or issues with the value set. This item SHOULD be populated unless the information is available from context." />
      <requirements value="Helps establish the &quot;authority/credibility&quot; of the value set.  May also allow for contact." />
      <alias value="steward" />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="ValueSet.publisher" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="w5" />
        <map value="who.witness" />
      </mapping>
    </element>
    <element id="ValueSet.contact">
      <path value="ValueSet.contact" />
      <short value="Contact details for the publisher" />
      <definition value="Contact details to assist a user in finding and communicating with the publisher." />
      <comment value="May be a web site, an email address, a telephone number, etc." />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="ValueSet.contact" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="ContactDetail" />
      </type>
      <isSummary value="true" />
    </element>
    <element id="ValueSet.description">
      <path value="ValueSet.description" />
      <short value="Natural language description of the value set" />
      <definition value="A free text natural language description of the value set from a consumer's perspective." />
      <comment value="This description can be used to capture details such as why the value set was built, comments about misuse, instructions for clinical use and interpretation, literature references, examples from the paper world, etc. It is not a rendering of the value set as conveyed in the 'text' field of the resource itself. This item SHOULD be populated unless the information is available from context (e.g. the language of the profile is presumed to be the predominant language in the place the profile was created). The description is not intended to describe the semantics of the Value Set - there are no intrinsic semantics separate from the codes contained in its expansion. The description should capture its intended use, which is needed for ensuring integrity for its use in models across future changes. A description should be provided unless the value set is a contained resource (e.g. an anonymous value set in a profile). Most registries will require a description." />
      <alias value="Scope" />
      <alias value="Purpose" />
      <alias value="scope" />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="ValueSet.description" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="markdown" />
      </type>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="ValueSet.useContext">
      <path value="ValueSet.useContext" />
      <short value="Context the content is intended to support" />
      <definition value="The content was developed with a focus and intent of supporting the contexts that are listed. These terms may be used to assist with indexing and searching for appropriate value set instances." />
      <comment value="When multiple useContexts are specified, there is no expectation whether all or any of the contexts apply." />
      <requirements value="Assist in searching for appropriate content." />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="ValueSet.useContext" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="UsageContext" />
      </type>
      <isSummary value="true" />
    </element>
    <element id="ValueSet.jurisdiction">
      <path value="ValueSet.jurisdiction" />
      <short value="Intended jurisdiction for value set (if applicable)" />
      <definition value="A legal or geographic region in which the value set is intended to be used." />
      <comment value="It may be possible for the value set to be used in jurisdictions other than those for which it was originally designed or intended." />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="ValueSet.jurisdiction" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <isSummary value="true" />
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Jurisdiction" />
        </extension>
        <strength value="extensible" />
        <description value="Countries and regions within which this artifact is targeted for use" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/jurisdiction" />
        </valueSetReference>
      </binding>
    </element>
    <element id="ValueSet.immutable">
      <path value="ValueSet.immutable" />
      <short value="Indicates whether or not any change to the content logical definition may occur" />
      <definition value="If this is set to 'true', then no new versions of the content logical definition can be created.  Note: Other metadata might still change." />
      <comment value="Normally immutability is set to 'false', which is the default assumption if it is not populated.  Note that the implication is that if this is set to 'true', there may be only one ValueSet version for this definition. Immutability tends to be set to 'true' in one of two cases: - Where the value set, by the nature of its usage, cannot change.  For example &quot;All specializations of ACT in ActClassCode&quot; - Where there's no safe way to express the &quot;Purpose&quot; such that someone else could safely make changes to the value set definition. Source workflow control must guarantee that the same URI always yields the same definition." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="ValueSet.immutable" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="boolean" />
      </type>
      <isSummary value="true" />
    </element>
    <element id="ValueSet.purpose">
      <path value="ValueSet.purpose" />
      <short value="Why this value set is defined" />
      <definition value="Explaination of why this value set is needed and why it has been designed as it has." />
      <comment value="This element does not describe the usage of the value set Instead  it provides traceability of ''why'' the resource is either needed or ''why'' it is defined as it is.  This may be used to point to source materials or specifications that drove the structure of this value set." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="ValueSet.purpose" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="markdown" />
      </type>
      <mapping>
        <identity value="objimpl" />
        <map value="no-gen-base" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="why" />
      </mapping>
    </element>
    <element id="ValueSet.copyright">
      <path value="ValueSet.copyright" />
      <short value="Use and/or publishing restrictions" />
      <definition value="A copyright statement relating to the value set and/or its contents. Copyright statements are generally legal restrictions on the use and publishing of the value set." />
      <comment value="null Frequently, the copyright differs between the value set and the codes that are included. The copyright statement should clearly differentiate between these when required." />
      <requirements value="Consumers must be able to determine any legal restrictions on the use of the value set and/or its content." />
      <alias value="License" />
      <alias value="Restrictions" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="ValueSet.copyright" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="markdown" />
      </type>
      <mapping>
        <identity value="objimpl" />
        <map value="no-gen-base" />
      </mapping>
    </element>
    <element id="ValueSet.extensible">
      <path value="ValueSet.extensible" />
      <short value="Whether this is intended to be used with an extensible binding" />
      <definition value="Whether this is intended to be used with an extensible binding or not." />
      <requirements value="It is not required to say whether this intent applies." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="ValueSet.extensible" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="boolean" />
      </type>
      <isSummary value="true" />
    </element>
    <element id="ValueSet.compose">
      <path value="ValueSet.compose" />
      <short value="Definition of the content of the value set (CLD)" />
      <definition value="A set of criteria that define the content logical definition of the value set by including or excluding codes from outside this value set. This I also known as the &quot;Content Logical Definition&quot; (CLD)." />
      <alias value="Content Logical Definition" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="ValueSet.compose" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="BackboneElement" />
      </type>
      <condition value="vsd-5" />
    </element>
    <element id="ValueSet.expansion">
      <path value="ValueSet.expansion" />
      <short value="Used when the value set is &quot;expanded&quot;" />
      <definition value="A value set can also be &quot;expanded&quot;, where the value set is turned into a simple collection of enumerated codes. This element holds the expansion, if it has been performed." />
      <comment value="Expansion is performed to produce a collection of codes that are ready to use for data entry or validation." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="ValueSet.expansion" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="BackboneElement" />
      </type>
      <condition value="vsd-5" />
    </element>
  </snapshot>
  <differential>
    <element id="ValueSet">
      <path value="ValueSet" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="ValueSet.url">
      <path value="ValueSet.url" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="uri" />
      </type>
    </element>
    <element id="ValueSet.version">
      <path value="ValueSet.version" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="string" />
      </type>
    </element>
    <element id="ValueSet.name">
      <path value="ValueSet.name" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="string" />
      </type>
    </element>
    <element id="ValueSet.status">
      <path value="ValueSet.status" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="code" />
      </type>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="ValueSet.experimental">
      <path value="ValueSet.experimental" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="boolean" />
      </type>
    </element>
    <element id="ValueSet.publisher">
      <path value="ValueSet.publisher" />
      <alias value="steward" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="string" />
      </type>
    </element>
    <element id="ValueSet.description">
      <path value="ValueSet.description" />
      <alias value="scope" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="markdown" />
      </type>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="ValueSet.immutable">
      <path value="ValueSet.immutable" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="boolean" />
      </type>
    </element>
  </differential>
</StructureDefinition>