DSTU2

This page is part of the FHIR Specification (v1.0.2: DSTU 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

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

Summary

Name	Flags	Card.	Type	Description & Constraints doco
.. extension		0..1	CodeableConcept, Reference(ValueSet)	URL = 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
doco Documentation for this format

Fulle Structure

Name	Card.	Type	Description & Constraints doco
.. extension	0..1	Extension	URL = 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..0
... url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/elementdefinition-allowedUnits"
... value[x]	1..1	CodeableConcept, Reference(ValueSet)	Value of extension Binding: UCUM Codes (required)
doco Documentation for this format

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]><!-- 1..1 CodeableConcept|Reference(ValueSet) Value of extension  --></value[x]>
</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  } // R! Value of extension 
 "valueReference" : { Reference (ValueSet ) }, // R! Value of extension 
 }

Summary

Name	Flags	Card.	Type	Description & Constraints doco
.. extension		0..1	CodeableConcept, Reference(ValueSet)	URL = 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
doco Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints doco
.. extension	0..1	Extension	URL = 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..0
... url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/elementdefinition-allowedUnits"
... value[x]	1..1	CodeableConcept, Reference(ValueSet)	Value of extension Binding: UCUM Codes (required)
doco Documentation for this format

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]><!-- 1..1 CodeableConcept|Reference(ValueSet) Value of extension  --></value[x]>
</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  } // R! Value of extension 
 "valueReference" : { Reference (ValueSet ) }, // R! Value of extension 
 }