DSTU2 Ballot Source

This page is part of the FHIR Specification (v0.5.0: DSTU 2 Ballot 2). 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 R3 R2

Extension Units to use for measured value - Definition

URL for this extension: 

http://hl7.org/fhir/StructureDefinition/elementdefinition-allowedUnits

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

Identifies the units of measure in which the element should be captured or expressed.

Context of Use: Use on data type: ElementDefinition

usage info: insert a list of places where this extension is used

Extension Content

Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extensionExtensionURL = http://hl7.org/fhir/StructureDefinition/elementdefinition-allowedUnits
Units to use for measured value: Identifies the units of measure in which the element should be captured or expressed.
Use on data type: ElementDefinition
... extension 0..*ExtensionAdditional Content defined by implementations
... url 1..1uriidentifies the meaning of the extension
Fixed Value: http://hl7.org/fhir/StructureDefinition/elementdefinition-allowedUnits
... value[x] 0..1CodeableConcept, ValueSetValue of extension
Binding: Units (extensible)

XML Template

<!-- Units to use for measured value -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/elementdefinition-allowedUnits" >
  <!-- from Element: extension -->
 <value[x] ><!-- 0..1 CodeableConcept|Reference Value of extension
</extension>

JSON Template

{ // Units to use for measured value
  // from Element: extension
    "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-allowedUnits", // R! 
// value[x]: Value of extension. One of these 2:
    "valueCodeableConcept" : { CodeableConcept } //Value of extension
    "valueReference" : { Reference(http://hl7.org/fhir/StructureDefinition/ValueSet) }, //Value of extension
  }

Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extensionExtensionURL = http://hl7.org/fhir/StructureDefinition/elementdefinition-allowedUnits
Units to use for measured value: Identifies the units of measure in which the element should be captured or expressed.
Use on data type: ElementDefinition
... extension 0..*ExtensionAdditional Content defined by implementations
... url 1..1uriidentifies the meaning of the extension
Fixed Value: http://hl7.org/fhir/StructureDefinition/elementdefinition-allowedUnits
... value[x] 0..1CodeableConcept, ValueSetValue of extension
Binding: Units (extensible)

XML Template

<!-- Units to use for measured value -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/elementdefinition-allowedUnits" >
  <!-- from Element: extension -->
 <value[x] ><!-- 0..1 CodeableConcept|Reference Value of extension
</extension>

JSON Template

to do

 

Terminology Bindings

PathDefinitionTypeReference
http://hl7.org/fhir/StructureDefinition/elementdefinition-allowedUnits Units of measure allowed for an elementExtensiblehttp://hl7.org/fhir/vs/units