Release 5 Ballot

This page is part of the FHIR Specification (v5.0.0-ballot: FHIR R5 Ballot Preview). 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: fhir-type

FHIR Infrastructure Work Group Maturity Level: 1InformativeUse Context: Any

Summary

Defining URL:http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
Version:5.0.0-ballot
Name:fhir-type
Title:null
Modifier:This extension is not a modifier extension
Status:draft
Definition:The FHIR type of a property - used on the value property of a primitive type (for which there is no type in the FHIR typing system), and Element.id, Resource.id, and Extension.url. All of these have a non-FHIR type in thir structure definition, and this specifies the applicable FHIR type.
Committee:FHIR Infrastructure Work Group

Status: draft. Extension maintained by: Health Level Seven, Inc. - [WG Name] WG

The FHIR type of a property - used on the value property of a primitive type (for which there is no type in the FHIR typing system), and Element.id, Resource.id, and Extension.url. All of these have a non-FHIR type in thir structure definition, and this specifies the applicable FHIR type.

Comment:

This is in effect, compiler magic for the typing system.

Context of Use: Use on Element ID ElementDefinition.type

Extension Content

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. fhir-type0..1urlURL = http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
fhir-type: The FHIR type of a property - used on the value property of a primitive type (for which there is no type in the FHIR typing system), and Element.id, Resource.id, and Extension.url. All of these have a non-FHIR type in thir structure definition, and this specifies the applicable FHIR type.


Use on Element ID ElementDefinition.type

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
fhir-type: The FHIR type of a property - used on the value property of a primitive type (for which there is no type in the FHIR typing system), and Element.id, Resource.id, and Extension.url. All of these have a non-FHIR type in thir structure definition, and this specifies the applicable FHIR type.


Use on Element ID ElementDefinition.type
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"
... value[x] 1..1urlValue of extension

doco Documentation for this format

XML Template

<!-- fhir-type -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" >
  <!-- from Element: extension -->
 <valueUrl value="[url]"/><!-- I 1..1 Value of extension -->
</extension>

JSON Template

{ // fhir-type
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
  // extension: Extension: Prohibited
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type", // R! 
    "valueUrl" : "<url>" // I R! Value of extension
  }

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. fhir-type0..1urlURL = http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
fhir-type: The FHIR type of a property - used on the value property of a primitive type (for which there is no type in the FHIR typing system), and Element.id, Resource.id, and Extension.url. All of these have a non-FHIR type in thir structure definition, and this specifies the applicable FHIR type.


Use on Element ID ElementDefinition.type

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
fhir-type: The FHIR type of a property - used on the value property of a primitive type (for which there is no type in the FHIR typing system), and Element.id, Resource.id, and Extension.url. All of these have a non-FHIR type in thir structure definition, and this specifies the applicable FHIR type.


Use on Element ID ElementDefinition.type
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"
... value[x] 1..1urlValue of extension

doco Documentation for this format

XML Template

<!-- fhir-type -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" >
  <!-- from Element: extension -->
 <valueUrl value="[url]"/><!-- I 1..1 Value of extension -->
</extension>

JSON Template

{ // fhir-type
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
  // extension: Extension: Prohibited
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type", // R! 
    "valueUrl" : "<url>" // I R! Value of extension
  }

 

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.value[x]: All FHIR elements must have a @value or children (xpath on Extension.value[x]: @value|f:*|h:div)

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Examples of this extension