This page is part of the FHIR Specification (v4.6.0: R5 Draft Ballot). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R4B R4

Extension: relativeDateTime

FHIR Infrastructure Work Group

Maturity Level: 1

Informative

Use Context: Any

URL for this extension:

http://hl7.org/fhir/StructureDefinition/cqf-relativeDateTime

Status: draft. Extension maintained by: Health Level Seven, Inc. - CDS WG

A date/time value that is determined based on a duration offset from a target event.

Context of Use: Use on Element ID Element

Summary

Name	Card.	Type	Description & Constraints
relativeDateTime	0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/cqf-relativeDateTime relativeDateTime: A date/time value that is determined based on a duration offset from a target event. Use on Element ID Element
target	1..1	Reference(Resource)	The event that the date/time value is relative to.
targetPath	1..1	string	The path to the element that defines the effective period for the event that the date/time value is relative to.
relationship	1..1	code	The relationship to the effective period of the target event that the date/time value is relative to.
offset	1..1	Duration, Range	A duration or range of durations that specifies the offset between the date/time value and the target event. For example, 30-60 minutes before.
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
extension	0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/cqf-relativeDateTime relativeDateTime: A date/time value that is determined based on a duration offset from a target event. Use on Element ID Element
extension	0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
extension:target	1..1	Extension	Relative to what event
id	0..1	string	Unique id for inter-element referencing
extension	0..0
url	1..1	uri	"target"
value[x]	1..1	Reference(Resource)	Value of extension
extension:targetPath	1..1	Extension	Relative to which element on the event
id	0..1	string	Unique id for inter-element referencing
extension	0..0
url	1..1	uri	"targetPath"
value[x]	1..1	string	Value of extension
extension:relationship	1..1	Extension	before-start \| before \| before-end \| concurrent-with-start \| concurrent \| concurrent-with-end \| after-start \| after \| after-end
id	0..1	string	Unique id for inter-element referencing
extension	0..0
url	1..1	uri	"relationship"
value[x]	1..1	code	Value of extension Binding: ActionRelationshipType (required)
extension:offset	1..1	Extension	How long
id	0..1	string	Unique id for inter-element referencing
extension	0..0
url	1..1	uri	"offset"
value[x]	1..1		Value of extension
valueDuration		Duration
valueRange		Range
url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/cqf-relativeDateTime"
value[x]	0..0
valueBase64Binary		base64Binary
valueBoolean		boolean
valueCanonical		canonical(Any)
valueCode		code
valueDate		date
valueDateTime		dateTime
valueDecimal		decimal
valueId		id
valueInstant		instant
valueInteger		integer
valueInteger64		integer64
valueMarkdown		markdown
valueOid		oid
valuePositiveInt		positiveInt
valueString		string
valueTime		time
valueUnsignedInt		unsignedInt
valueUri		uri
valueUrl		url
valueUuid		uuid
valueAddress		Address
valueAge		Age
valueAnnotation		Annotation
valueAttachment		Attachment
valueCodeableConcept		CodeableConcept
valueCoding		Coding
valueContactPoint		ContactPoint
valueCount		Count
valueDistance		Distance
valueDuration		Duration
valueHumanName		HumanName
valueIdentifier		Identifier
valueMoney		Money
valuePeriod		Period
valueQuantity		Quantity
valueRange		Range
valueRatio		Ratio
valueReference		Reference(Any)
valueSampledData		SampledData
valueSignature		Signature
valueTiming		Timing
valueContactDetail		ContactDetail
valueContributor		Contributor
valueDataRequirement		DataRequirement
valueExpression		Expression
valueParameterDefinition		ParameterDefinition
valueRelatedArtifact		RelatedArtifact
valueTriggerDefinition		TriggerDefinition
valueUsageContext		UsageContext
valueDosage		Dosage
valueMeta		Meta
Documentation for this format

XML Template

<!-- relativeDateTime -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/cqf-relativeDateTime" >
 <-- extension sliced by value:url  in the specified orderOpen-->
 <extension url="target">  1..1 Extension  <!--  1..1 Relative to what event -->
  <valueReference><!--  1..1 Reference(Resource) Value of extension --></valueReference>
 </extension>
 <extension url="targetPath">  1..1 Extension  <!--  1..1 Relative to which element on the event -->
  <valueString value="[string]"/><!--  1..1 Value of extension -->
 </extension>
 <extension url="relationship">  1..1 Extension  <!--  1..1 before-start | before | before-end | concurrent-with-start | concurrent | concurrent-with-end | after-start | after | after-end -->
  <valueCode value="[code]"/><!--  1..1 Value of extension -->
 </extension>
 <extension url="offset">  1..1 Extension  <!--  1..1 How long -->
  <value[x]><!--  1..1 Duration|Range 
      Value of extension --></value[x]>
 </extension>
</extension>

JSON Template

{ // relativeDateTime
    "extension" : [ //  sliced by value:url  in the specified order, Open 
      { // Relative to what event // C? R! 
        // from Element: extension
        "extension" : [ //  sliced by value:url  in the specified order, Open ]
        "url" : "target", // R! 
        "valueReference" : { Reference(Resource) } // C? R! Value of extension
      },
      { // Relative to which element on the event // C? R! 
        // from Element: extension
        "extension" : [ //  sliced by value:url  in the specified order, Open ]
        "url" : "targetPath", // R! 
        "valueString" : "<string>" // C? R! Value of extension
      },
      { // before-start | before | before-end | concurrent-with-start | concurrent | concurrent-with-end | after-start | after | after-end // C? R! 
        // from Element: extension
        "extension" : [ //  sliced by value:url  in the specified order, Open ]
        "url" : "relationship", // R! 
        "valueCode" : "<code>" // C? R! Value of extension
      },
      { // How long // C? R! 
        // from Element: extension
        "extension" : [ //  sliced by value:url  in the specified order, Open ]
        "url" : "offset", // R! 
// value[x]: Value of extension. One of these 2:
        "valueDuration" : { Duration } // C? R! Value of extension
        "valueRange" : { Range }, // C? R! Value of extension
      }
    ],
    "url" : "http://hl7.org/fhir/StructureDefinition/cqf-relativeDateTime", // R! 
// value[x]: Value of extension. One of these 51:
  }

Summary

Name	Card.	Type	Description & Constraints
relativeDateTime	0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/cqf-relativeDateTime relativeDateTime: A date/time value that is determined based on a duration offset from a target event. Use on Element ID Element
target	1..1	Reference(Resource)	The event that the date/time value is relative to.
targetPath	1..1	string	The path to the element that defines the effective period for the event that the date/time value is relative to.
relationship	1..1	code	The relationship to the effective period of the target event that the date/time value is relative to.
offset	1..1	Duration, Range	A duration or range of durations that specifies the offset between the date/time value and the target event. For example, 30-60 minutes before.
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
extension	0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/cqf-relativeDateTime relativeDateTime: A date/time value that is determined based on a duration offset from a target event. Use on Element ID Element
extension	0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
extension:target	1..1	Extension	Relative to what event
id	0..1	string	Unique id for inter-element referencing
extension	0..0
url	1..1	uri	"target"
value[x]	1..1	Reference(Resource)	Value of extension
extension:targetPath	1..1	Extension	Relative to which element on the event
id	0..1	string	Unique id for inter-element referencing
extension	0..0
url	1..1	uri	"targetPath"
value[x]	1..1	string	Value of extension
extension:relationship	1..1	Extension	before-start \| before \| before-end \| concurrent-with-start \| concurrent \| concurrent-with-end \| after-start \| after \| after-end
id	0..1	string	Unique id for inter-element referencing
extension	0..0
url	1..1	uri	"relationship"
value[x]	1..1	code	Value of extension Binding: ActionRelationshipType (required)
extension:offset	1..1	Extension	How long
id	0..1	string	Unique id for inter-element referencing
extension	0..0
url	1..1	uri	"offset"
value[x]	1..1		Value of extension
valueDuration		Duration
valueRange		Range
url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/cqf-relativeDateTime"
value[x]	0..0
valueBase64Binary		base64Binary
valueBoolean		boolean
valueCanonical		canonical(Any)
valueCode		code
valueDate		date
valueDateTime		dateTime
valueDecimal		decimal
valueId		id
valueInstant		instant
valueInteger		integer
valueInteger64		integer64
valueMarkdown		markdown
valueOid		oid
valuePositiveInt		positiveInt
valueString		string
valueTime		time
valueUnsignedInt		unsignedInt
valueUri		uri
valueUrl		url
valueUuid		uuid
valueAddress		Address
valueAge		Age
valueAnnotation		Annotation
valueAttachment		Attachment
valueCodeableConcept		CodeableConcept
valueCoding		Coding
valueContactPoint		ContactPoint
valueCount		Count
valueDistance		Distance
valueDuration		Duration
valueHumanName		HumanName
valueIdentifier		Identifier
valueMoney		Money
valuePeriod		Period
valueQuantity		Quantity
valueRange		Range
valueRatio		Ratio
valueReference		Reference(Any)
valueSampledData		SampledData
valueSignature		Signature
valueTiming		Timing
valueContactDetail		ContactDetail
valueContributor		Contributor
valueDataRequirement		DataRequirement
valueExpression		Expression
valueParameterDefinition		ParameterDefinition
valueRelatedArtifact		RelatedArtifact
valueTriggerDefinition		TriggerDefinition
valueUsageContext		UsageContext
valueDosage		Dosage
valueMeta		Meta
Documentation for this format

XML Template

<!-- relativeDateTime -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/cqf-relativeDateTime" >
 <-- extension sliced by value:url  in the specified orderOpen-->
 <extension url="target">  1..1 Extension  <!--  1..1 Relative to what event -->
  <valueReference><!--  1..1 Reference(Resource) Value of extension --></valueReference>
 </extension>
 <extension url="targetPath">  1..1 Extension  <!--  1..1 Relative to which element on the event -->
  <valueString value="[string]"/><!--  1..1 Value of extension -->
 </extension>
 <extension url="relationship">  1..1 Extension  <!--  1..1 before-start | before | before-end | concurrent-with-start | concurrent | concurrent-with-end | after-start | after | after-end -->
  <valueCode value="[code]"/><!--  1..1 Value of extension -->
 </extension>
 <extension url="offset">  1..1 Extension  <!--  1..1 How long -->
  <value[x]><!--  1..1 Duration|Range 
      Value of extension --></value[x]>
 </extension>
</extension>

JSON Template

{ // relativeDateTime
    "extension" : [ //  sliced by value:url  in the specified order, Open 
      { // Relative to what event // C? R! 
        // from Element: extension
        "extension" : [ //  sliced by value:url  in the specified order, Open ]
        "url" : "target", // R! 
        "valueReference" : { Reference(Resource) } // C? R! Value of extension
      },
      { // Relative to which element on the event // C? R! 
        // from Element: extension
        "extension" : [ //  sliced by value:url  in the specified order, Open ]
        "url" : "targetPath", // R! 
        "valueString" : "<string>" // C? R! Value of extension
      },
      { // before-start | before | before-end | concurrent-with-start | concurrent | concurrent-with-end | after-start | after | after-end // C? R! 
        // from Element: extension
        "extension" : [ //  sliced by value:url  in the specified order, Open ]
        "url" : "relationship", // R! 
        "valueCode" : "<code>" // C? R! Value of extension
      },
      { // How long // C? R! 
        // from Element: extension
        "extension" : [ //  sliced by value:url  in the specified order, Open ]
        "url" : "offset", // R! 
// value[x]: Value of extension. One of these 2:
        "valueDuration" : { Duration } // C? R! Value of extension
        "valueRange" : { Range }, // C? R! Value of extension
      }
    ],
    "url" : "http://hl7.org/fhir/StructureDefinition/cqf-relativeDateTime", // R! 
// value[x]: Value of extension. One of these 51:
  }

Constraints

ele-1: All FHIR elements must have a @value or children (xpath: @value|f:*|h:div)
ext-1: Must have either extensions or value[x], not both (xpath: exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')]))
ele-1: On Extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension: @value|f:*|h:div)
ext-1: On Extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")]))
ele-1: On Extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension: @value|f:*|h:div)
ext-1: On Extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")]))
ele-1: On Extension.extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension.extension: @value|f:*|h:div)
ext-1: On Extension.extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension.extension: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")]))
ele-1: On Extension.extension.value[x]: All FHIR elements must have a @value or children (xpath on Extension.extension.value[x]: @value|f:*|h:div)
ele-1: On Extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension: @value|f:*|h:div)
ext-1: On Extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")]))
ele-1: On Extension.extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension.extension: @value|f:*|h:div)
ext-1: On Extension.extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension.extension: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")]))
ele-1: On Extension.extension.value[x]: All FHIR elements must have a @value or children (xpath on Extension.extension.value[x]: @value|f:*|h:div)
ele-1: On Extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension: @value|f:*|h:div)
ext-1: On Extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")]))
ele-1: On Extension.extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension.extension: @value|f:*|h:div)
ext-1: On Extension.extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension.extension: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")]))
ele-1: On Extension.extension.value[x]: All FHIR elements must have a @value or children (xpath on Extension.extension.value[x]: @value|f:*|h:div)
ele-1: On Extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension: @value|f:*|h:div)
ext-1: On Extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")]))
ele-1: On Extension.extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension.extension: @value|f:*|h:div)
ext-1: On Extension.extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension.extension: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")]))
ele-1: On Extension.extension.value[x]: All FHIR elements must have a @value or children (xpath on Extension.extension.value[x]: @value|f:*|h:div)
ele-1: On Extension.value[x]: All FHIR elements must have a @value or children (xpath on Extension.value[x]: @value|f:*|h:div)