<status value="draft" /> <fhirVersion value="4.0.0" /> <mapping> <identity value="v2" /> <uri value="http://hl7.org/v2" /> <name value="HL7 v2 Mapping" /> </mapping> <mapping> <identity value="rim" /> <uri value="http://hl7.org/v3" /> <name value="RIM Mapping" /> </mapping> <kind value="complex-type" /> <abstract value="false" /> <type value="Timing" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Timing" /> <derivation value="constraint" /> <snapshot> <element id="Timing"> <path value="Timing" /> <short value="定时数据类型用于为可能多次发生的事件设置定时计划" /> <definition value="为可能多次发生的事件设置定时计划。定时数据类型用来记录那些计划、预期或申请发生的事件。常用于药物剂量类型（Dosage）的用法时间元素、照护计划资源（CarePlan）的日程元素。也可用于报告过去定期活动的时间表。" /> <comment value="定时数据类型用于指定事件预期或申请发生的时间，它的“事件”元素（Timing.event)定义为“未来”事件，但也可用于描述历史或正在发生的事件。也可用于表示过去或正在进行的事件的摘要。为简单起见，计时组件的。定时数据类型支持以列表形式指定多个事件发生的时间，也支持指定的事件发生的条件。其表现方式可以用结构化元素，也可以用编码表示。当同时指定“事件”元素（Timing.event)和“重复”元素（Timing.repeat)，应将“事件”元素理解为对“重复”元素中的信息的解释。" /> <min value="0" /> <max value="*" /> <base> <path value="Timing" /> <min value="0" /> <max value="*" /> </base> <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() > 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="N/A" /> </mapping> <mapping> <identity value="rim" /> <map value="QSET<TS> (GTS)" /> </mapping> </element> <element id="Timing.id"> <path value="Timing.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="Timing.extension"> <path value="Timing.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() > 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="Timing.modifierExtension"> <path value="Timing.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. 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() > 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="Timing.event"> <path value="Timing.event" /> <short value="事件发生时间" /> <definition value="Identifies specific times when the event occurs." /> <requirements value="In a Medication Administration Record, for instance, you need to take a general specification, and turn it into a precise specification." /> <min value="0" /> <max value="*" /> <base> <path value="Timing.event" /> <min value="0" /> <max value="*" /> </base> <type> <code value="dateTime" /> </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() > 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="QLIST<TS>" /> </mapping> </element> <element id="Timing.repeat"> <path value="Timing.repeat" /> <short value="重复事件的时间规则" /> <definition value="用于描述事件定时计划何时生效的一组规则。" /> <requirements value="Many timing schedules are determined by regular repetitions." /> <min value="0" /> <max value="1" /> <base> <path value="Timing.repeat" /> <min value="0" /> <max value="1" /> </base> <type> <code value="Element" /> </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() > id.count())" /> <xpath value="@value|f:*|h:div" /> <source value="http://hl7.org/fhir/StructureDefinition/Element" /> </constraint> <constraint> <key value="tim-9" /> <severity value="error" /> <human value="If there's an offset, there must be a when (and not C, CM, CD, CV)" /> <expression value="offset.empty() or (when.exists() and ((when in ('C' | 'CM' | 'CD' | 'CV')).not()))" /> <xpath value="not(exists(f:offset)) or exists(f:when)" /> <source value="http://hl7.org/fhir/StructureDefinition/Timing" /> </constraint> <constraint> <key value="tim-5" /> <severity value="error" /> <human value="period SHALL be a non-negative value" /> <expression value="period.exists() implies period >= 0" /> <xpath value="f:period/@value >= 0 or not(f:period/@value)" /> <source value="http://hl7.org/fhir/StructureDefinition/Timing" /> </constraint> <constraint> <key value="tim-6" /> <severity value="error" /> <human value="If there's a periodMax, there must be a period" /> <expression value="periodMax.empty() or period.exists()" /> <xpath value="not(exists(f:periodMax)) or exists(f:period)" /> <source value="http://hl7.org/fhir/StructureDefinition/Timing" /> </constraint> <constraint> <key value="tim-7" /> <severity value="error" /> <human value="If there's a durationMax, there must be a duration" /> <expression value="durationMax.empty() or duration.exists()" /> <xpath value="not(exists(f:durationMax)) or exists(f:duration)" /> <source value="http://hl7.org/fhir/StructureDefinition/Timing" /> </constraint> <constraint> <key value="tim-8" /> <severity value="error" /> <human value="If there's a countMax, there must be a count" /> <expression value="countMax.empty() or count.exists()" /> <xpath value="not(exists(f:countMax)) or exists(f:count)" /> <source value="http://hl7.org/fhir/StructureDefinition/Timing" /> </constraint> <constraint> <key value="tim-1" /> <severity value="error" /> <human value="if there's a duration, there needs to be duration units" /> <expression value="duration.empty() or durationUnit.exists()" /> <xpath value="not(exists(f:duration)) or exists(f:durationUnit)" /> <source value="http://hl7.org/fhir/StructureDefinition/Timing" /> </constraint> <constraint> <key value="tim-10" /> <severity value="error" /> <human value="If there's a timeOfDay, there cannot be a when, or vice versa" /> <expression value="timeOfDay.empty() or when.empty()" /> <xpath value="not(exists(f:timeOfDay)) or not(exists(f:when))" /> <source value="http://hl7.org/fhir/StructureDefinition/Timing" /> </constraint> <constraint> <key value="tim-2" /> <severity value="error" /> <human value="if there's a period, there needs to be period units" /> <expression value="period.empty() or periodUnit.exists()" /> <xpath value="not(exists(f:period)) or exists(f:periodUnit)" /> <source value="http://hl7.org/fhir/StructureDefinition/Timing" /> </constraint> <constraint> <key value="tim-4" /> <severity value="error" /> <human value="duration SHALL be a non-negative value" /> <expression value="duration.exists() implies duration >= 0" /> <xpath value="f:duration/@value >= 0 or not(f:duration/@value)" /> <source value="http://hl7.org/fhir/StructureDefinition/Timing" /> </constraint> <isSummary value="true" /> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="rim" /> <map value="Implies PIVL or EIVL" /> </mapping> </element> <element id="Timing.repeat.id"> <path value="Timing.repeat.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="Timing.repeat.extension"> <path value="Timing.repeat.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() > 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="Timing.repeat.bounds[x]"> <path value="Timing.repeat.bounds[x]" /> <short value="Length/Range of lengths, or (Start and/or end) limits" /> <definition value="Either a duration for the length of the timing schedule, a range of possible length, or outer bounds for start and/or end limits of the timing schedule." /> <min value="0" /> <max value="1" /> <base> <path value="Timing.repeat.bounds[x]" /> <min value="0" /> <max value="1" /> </base> <type> <code value="Duration" /> </type> <type> <code value="Range" /> </type> <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() > 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="IVL(TS) used in a QSI" /> </mapping> </element> <element id="Timing.repeat.count"> <path value="Timing.repeat.count" /> <short value="Number of times to repeat" /> <definition value="A total count of the desired number of repetitions across the duration of the entire timing specification. If countMax is present, this element indicates the lower bound of the allowed range of count values." /> <comment value="If you have both bounds and count, then this should be understood as within the bounds period, until count times happens." /> <requirements value="Repetitions may be limited by end time or total occurrences." /> <min value="0" /> <max value="1" /> <base> <path value="Timing.repeat.count" /> <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() > 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="PIVL.count" /> </mapping> </element> <element id="Timing.repeat.countMax"> <path value="Timing.repeat.countMax" /> <short value="Maximum number of times to repeat" /> <definition value="If present, indicates that the count is a range - so to perform the action between [count] and [countMax] times." /> <comment value="32 bit number; for values larger than this, use decimal" /> <min value="0" /> <max value="1" /> <base> <path value="Timing.repeat.countMax" /> <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() > 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="PIVL.count" /> </mapping> </element> <element id="Timing.repeat.duration"> <path value="Timing.repeat.duration" /> <short value="How long when it happens" /> <definition value="How long this thing happens for when it happens. If durationMax is present, this element indicates the lower bound of the allowed range of the duration." /> <comment value="For some events the duration is part of the definition of the event (e.g. IV infusions, where the duration is implicit in the specified quantity and rate). For others, it's part of the timing specification (e.g. exercise)." /> <requirements value="Some activities are not instantaneous and need to be maintained for a period of time." /> <min value="0" /> <max value="1" /> <base> <path value="Timing.repeat.duration" /> <min value="0" /> <max value="1" /> </base> <type> <code value="decimal" /> </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() > 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="PIVL.phase" /> </mapping> </element> <element id="Timing.repeat.durationMax"> <path value="Timing.repeat.durationMax" /> <short value="How long when it happens (Max)" /> <definition value="If present, indicates that the duration is a range - so to perform the action between [duration] and [durationMax] time length." /> <comment value="For some events the duration is part of the definition of the event (e.g. IV infusions, where the duration is implicit in the specified quantity and rate). For others, it's part of the timing specification (e.g. exercise)." /> <requirements value="Some activities are not instantaneous and need to be maintained for a period of time." /> <min value="0" /> <max value="1" /> <base> <path value="Timing.repeat.durationMax" /> <min value="0" /> <max value="1" /> </base> <type> <code value="decimal" /> </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() > 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="PIVL.phase" /> </mapping> </element> <element id="Timing.repeat.durationUnit"> <path value="Timing.repeat.durationUnit" /> <short value="s | min | h | d | wk | mo | a - unit of time (UCUM)" /> <definition value="The units of time for the duration, in UCUM units." /> <comment value="Note that FHIR strings SHALL NOT exceed 1MB in size" /> <min value="0" /> <max value="1" /> <base> <path value="Timing.repeat.durationUnit" /> <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() > 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="UnitsOfTime" /> </extension> <strength value="required" /> <description value="A unit of time (units from UCUM)." /> <valueSet value="http://hl7.org/fhir/ValueSet/units-of-time|4.0.1" /> </binding> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="rim" /> <map value="PIVL.phase.unit" /> </mapping> </element> <element id="Timing.repeat.frequency"> <path value="Timing.repeat.frequency" /> <short value="Event occurs frequency times per period" /> <definition value="The number of times to repeat the action within the specified period. If frequencyMax is present, this element indicates the lower bound of the allowed range of the frequency." /> <comment value="32 bit number; for values larger than this, use decimal" /> <min value="0" /> <max value="1" /> <base> <path value="Timing.repeat.frequency" /> <min value="0" /> <max value="1" /> </base> <type> <code value="positiveInt" /> </type> <meaningWhenMissing value="If no frequency is stated, the assumption is that the event occurs once per period, but systems SHOULD always be specific about this" /> <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() > 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="PIVL.phase" /> </mapping> </element> <element id="Timing.repeat.frequencyMax"> <path value="Timing.repeat.frequencyMax" /> <short value="Event occurs up to frequencyMax times per period" /> <definition value="If present, indicates that the frequency is a range - so to repeat between [frequency] and [frequencyMax] times within the period or period range." /> <comment value="32 bit number; for values larger than this, use decimal" /> <min value="0" /> <max value="1" /> <base> <path value="Timing.repeat.frequencyMax" /> <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() > 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="PIVL.phase" /> </mapping> </element> <element id="Timing.repeat.period"> <path value="Timing.repeat.period" /> <short value="Event occurs frequency times per period" /> <definition value="Indicates the duration of time over which repetitions are to occur; e.g. to express "3 times per day", 3 would be the frequency and "1 day" would be the period. If periodMax is present, this element indicates the lower bound of the allowed range of the period length." /> <comment value="Do not use an IEEE type floating point type, instead use something that works like a true decimal, with inbuilt precision (e.g. Java BigInteger)" /> <min value="0" /> <max value="1" /> <base> <path value="Timing.repeat.period" /> <min value="0" /> <max value="1" /> </base> <type> <code value="decimal" /> </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() > 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="PIVL.phase" /> </mapping> </element> <element id="Timing.repeat.periodMax"> <path value="Timing.repeat.periodMax" /> <short value="Upper limit of period (3-4 hours)" /> <definition value="If present, indicates that the period is a range from [period] to [periodMax], allowing expressing concepts such as "do this once every 3-5 days." /> <comment value="Do not use an IEEE type floating point type, instead use something that works like a true decimal, with inbuilt precision (e.g. Java BigInteger)" /> <min value="0" /> <max value="1" /> <base> <path value="Timing.repeat.periodMax" /> <min value="0" /> <max value="1" /> </base> <type> <code value="decimal" /> </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() > 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="PIVL.phase" /> </mapping> </element> <element id="Timing.repeat.periodUnit"> <path value="Timing.repeat.periodUnit" /> <short value="s | min | h | d | wk | mo | a - unit of time (UCUM)" /> <definition value="The units of time for the period in UCUM units." /> <comment value="Note that FHIR strings SHALL NOT exceed 1MB in size" /> <min value="0" /> <max value="1" /> <base> <path value="Timing.repeat.periodUnit" /> <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() > 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="UnitsOfTime" /> </extension> <strength value="required" /> <description value="A unit of time (units from UCUM)." /> <valueSet value="http://hl7.org/fhir/ValueSet/units-of-time|4.0.1" /> </binding> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="rim" /> <map value="PIVL.phase.unit" /> </mapping> </element> <element id="Timing.repeat.dayOfWeek"> <path value="Timing.repeat.dayOfWeek" /> <short value="mon | tue | wed | thu | fri | sat | sun" /> <definition value="If one or more days of week is provided, then the action happens only on the specified day(s)." /> <comment value="If no days are specified, the action is assumed to happen every day as otherwise specified. The elements frequency and period cannot be used as well as dayOfWeek." /> <min value="0" /> <max value="*" /> <base> <path value="Timing.repeat.dayOfWeek" /> <min value="0" /> <max value="*" /> </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() > 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="DayOfWeek" /> </extension> <strength value="required" /> <valueSet value="http://hl7.org/fhir/ValueSet/days-of-week|4.0.1" /> </binding> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> </element> <element id="Timing.repeat.timeOfDay"> <path value="Timing.repeat.timeOfDay" /> <short value="Time of day for action" /> <definition value="Specified time of day for action to take place." /> <comment value="When time of day is specified, it is inferred that the action happens every day (as filtered by dayofWeek) on the specified times. The elements when, frequency and period cannot be used as well as timeOfDay." /> <min value="0" /> <max value="*" /> <base> <path value="Timing.repeat.timeOfDay" /> <min value="0" /> <max value="*" /> </base> <type> <code value="time" /> </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() > 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> </element> <element id="Timing.repeat.when"> <path value="Timing.repeat.when" /> <short value="Code for time period of occurrence" /> <definition value="An approximate time period during the day, potentially linked to an event of daily living that indicates when the action should occur." /> <comment value="When more than one event is listed, the event is tied to the union of the specified events." /> <requirements value="Timings are frequently determined by occurrences such as waking, eating and sleep." /> <min value="0" /> <max value="*" /> <base> <path value="Timing.repeat.when" /> <min value="0" /> <max value="*" /> </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() > 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="EventTiming" /> </extension> <strength value="required" /> <description value="Real world event relating to the schedule." /> <valueSet value="http://hl7.org/fhir/ValueSet/event-timing|4.0.1" /> </binding> <mapping> <identity value="rim" /> <map value="n/a" /> </mapping> <mapping> <identity value="rim" /> <map value="EIVL.event" /> </mapping> </element> <element id="Timing.repeat.offset"> <path value="Timing.repeat.offset" /> <short value="Minutes from event (before or after)" /> <definition value="The number of minutes from the event. If the event code does not indicate whether the minutes is before or after the event, then the offset is assumed to be after the event." /> <comment value="32 bit number; for values larger than this, use decimal" /> <min value="0" /> <max value="1" /> <base> <path value="Timing.repeat.offset" /> <min value="0" /> <max value="1" /> </base> <type> <code value="unsignedInt" /> </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() > 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="EIVL.offset" /> </mapping> </element> <element id="Timing.code"> <path value="Timing.code" /> <short value="BID | TID | QID | AM | PM | QD | QOD | QW | BIW | Q2H |+" /> <definition value="用编码来表示定时计划。可以使用像BID这样的通用编码，也可以使用机构自己定义的额外编码。如果提供了编码，只编码所表示的才是完整的描述（无论定时类型中其它元素的值是什么）。另外，无论是使用编码还是使用元素数据来定义定时计划，Timing.repeat.bounds元素定义的内容都适用于编码（编码并不包含bounds）。" /> <comment value="常用编码有： BID：每日两次；TID：一日三次；QID ：一日四次； AM：上午；PM：下午； QD：一日一次；QOD：隔日一次；QW：一周一次；BIW：两周两次；Q2H：每两小时一次；QN：每晚一次；HS：临睡前，等等。更具体的时间点则通常由机构自行规定并形成惯例。例如，某医院的BID指的就是“在早上7点和下午6点”。如果没有这样的约定，则不应使用编码BID来表示。为了解决此问题另外有两种方式，一是使用机构的自定义编码；二是使用两个Timing.event元素来分别指定两个具体的时间。" /> <min value="0" /> <max value="1" /> <base> <path value="Timing.code" /> <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() > 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="TimingAbbreviation" /> </extension> <strength value="preferred" /> <description value="Code for a known / defined timing pattern." /> <valueSet value="http://hl7.org/fhir/ValueSet/timing-abbreviation" /> </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="rim" /> <map value="QSC.code" /> </mapping> </element> </snapshot> <differential> <element id="Timing"> <path value="Timing" /> <short value="定时数据类型用于为可能多次发生的事件设置定时计划" /> <definition value="为可能多次发生的事件设置定时计划。定时数据类型用来记录那些计划、预期或申请发生的事件。常用于药物剂量类型（Dosage）的用法时间元素、照护计划资源（CarePlan）的日程元素。也可用于报告过去定期活动的时间表。" /> <comment value="定时数据类型用于指定事件预期或申请发生的时间，它的“事件”元素（Timing.event)定义为“未来”事件，但也可用于描述历史或正在发生的事件。也可用于表示过去或正在进行的事件的摘要。为简单起见，计时组件的。定时数据类型支持以列表形式指定多个事件发生的时间，也支持指定的事件发生的条件。其表现方式可以用结构化元素，也可以用编码表示。当同时指定“事件”元素（Timing.event)和“重复”元素（Timing.repeat)，应将“事件”元素理解为对“重复”元素中的信息的解释。" /> </element> <element id="Timing.event"> <path value="Timing.event" /> <short value="事件发生时间" /> </element> <element id="Timing.repeat"> <path value="Timing.repeat" /> <short value="重复事件的时间规则" /> <definition value="用于描述事件定时计划何时生效的一组规则。" /> </element> <element id="Timing.code"> <path value="Timing.code" /> <short value="BID | TID | QID | AM | PM | QD | QOD | QW | BIW | Q2H |+" /> <definition value="用编码来表示定时计划。可以使用像BID这样的通用编码，也可以使用机构自己定义的额外编码。如果提供了编码，只编码所表示的才是完整的描述（无论定时类型中其它元素的值是什么）。另外，无论是使用编码还是使用元素数据来定义定时计划，Timing.repeat.bounds元素定义的内容都适用于编码（编码并不包含bounds）。" /> <comment value="常用编码有： BID：每日两次；TID：一日三次；QID ：一日四次； AM：上午；PM：下午； QD：一日一次；QOD：隔日一次；QW：一周一次；BIW：两周两次；Q2H：每两小时一次；QN：每晚一次；HS：临睡前，等等。更具体的时间点则通常由机构自行规定并形成惯例。例如，某医院的BID指的就是“在早上7点和下午6点”。如果没有这样的约定，则不应使用编码BID来表示。为了解决此问题另外有两种方式，一是使用机构的自定义编码；二是使用两个Timing.event元素来分别指定两个具体的时间。" /> </element> </differential> </StructureDefinition>