R4 Draft for Comment

This page is part of the FHIR Specification (v3.2.0: R4 Ballot 1). 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: maxValueSet

FHIR Infrastructure Work Group

Maturity Level: 1

Informative

Use Context: Any

URL for this extension:

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

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

The maximum allowable value set, for use when the binding strength is 'extensible'. This value set is the value set from which extensions can be taken from.

Context of Use: Use on data type: ElementDefinition.binding

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

Summary

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	uri, Reference(ValueSet)	URL = http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet maxValueSet: The maximum allowable value set, for use when the binding strength is 'extensible'. This value set is the value set from which extensions can be taken from. Use on data type: ElementDefinition.binding
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
extension	0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet maxValueSet: The maximum allowable value set, for use when the binding strength is 'extensible'. This value set is the value set from which extensions can be taken from. Use on data type: ElementDefinition.binding
url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet"
value[x]	1..1	uri, Reference(ValueSet)	Value of extension
Documentation for this format

XML Template

<!-- maxValueSet -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet" >
  <!-- from Element: extension -->
 <value[x]><!-- 1..1 uri|Reference(ValueSet) Value of extension --></value[x]>
</extension>

JSON Template

{ // maxValueSet
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet", // R! 
// value[x]: Value of extension. One of these 2:
    "valueUri" : "<uri>" // R! Value of extension
    "valueReference" : { Reference(ValueSet) }, // R! Value of extension
  }

Summary

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	uri, Reference(ValueSet)	URL = http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet maxValueSet: The maximum allowable value set, for use when the binding strength is 'extensible'. This value set is the value set from which extensions can be taken from. Use on data type: ElementDefinition.binding
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
extension	0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet maxValueSet: The maximum allowable value set, for use when the binding strength is 'extensible'. This value set is the value set from which extensions can be taken from. Use on data type: ElementDefinition.binding
url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet"
value[x]	1..1	uri, Reference(ValueSet)	Value of extension
Documentation for this format

XML Template

<!-- maxValueSet -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet" >
  <!-- from Element: extension -->
 <value[x]><!-- 1..1 uri|Reference(ValueSet) Value of extension --></value[x]>
</extension>

JSON Template

{ // maxValueSet
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet", // R! 
// value[x]: Value of extension. One of these 2:
    "valueUri" : "<uri>" // R! Value of extension
    "valueReference" : { Reference(ValueSet) }, // 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')]))