Release 4 4B

This page is part of the FHIR Specification (v4.0.1: R4 (v4.3.0: R4B - Mixed Normative and STU ) in it's permanent home (it will always be available at this URL). ). 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 R4B R4 R3 R2

Extension: identifier

FHIR Infrastructure Work Group   Maturity Level : 1 Informative Use Context : Any

URL for this extension: 


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

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

External Identifiers associated with this element - these are identifiers that are associated with the concept this element represents.

Context of Use: Use on Element ID ElementDefinition

Extension Content

Summary

Name Flags Card. Type Description & Constraints doco
. . identifier 0..* Identifier URL = http://hl7.org/fhir/StructureDefinition/elementdefinition-identifier
identifier: External Identifiers associated with this element - these are identifiers that are associated with the concept this element represents.


Use on Element ID ElementDefinition

doco Documentation for this format

Full Structure

Name Flags Card. Type Description & Constraints doco
. . extension 0..* Extension URL = http://hl7.org/fhir/StructureDefinition/elementdefinition-identifier
identifier: External Identifiers associated with this element - these are identifiers that are associated with the concept this element represents.


Use on Element ID ElementDefinition
. . . extension I 0..0
. . . url 1..1 uri "http://hl7.org/fhir/StructureDefinition/elementdefinition-identifier"
. . . value[x] I 1..1 Identifier Value of extension

doco Documentation for this format

XML Template 

<!-- identifier -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/elementdefinition-identifier" >
  <!-- from Element: extension -->
 <</valueIdentifier>

 <valueIdentifier><!-- ?? 1..1 Identifier Value of extension --></valueIdentifier>

</extension>

JSON Template 

{ // identifier
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-identifier", // R! 
    "

    "valueIdentifier" : { Identifier } // C? R! Value of extension

  }

Summary

Name Flags Card. Type Description & Constraints doco
. . identifier 0..* Identifier URL = http://hl7.org/fhir/StructureDefinition/elementdefinition-identifier
identifier: External Identifiers associated with this element - these are identifiers that are associated with the concept this element represents.


Use on Element ID ElementDefinition

doco Documentation for this format

Full Structure

Name Flags Card. Type Description & Constraints doco
. . extension 0..* Extension URL = http://hl7.org/fhir/StructureDefinition/elementdefinition-identifier
identifier: External Identifiers associated with this element - these are identifiers that are associated with the concept this element represents.


Use on Element ID ElementDefinition
. . . extension I 0..0
. . . url 1..1 uri "http://hl7.org/fhir/StructureDefinition/elementdefinition-identifier"
. . . value[x] I 1..1 Identifier Value of extension

doco Documentation for this format

XML Template 

<!-- identifier -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/elementdefinition-identifier" >
  <!-- from Element: extension -->
 <</valueIdentifier>

 <valueIdentifier><!-- ?? 1..1 Identifier Value of extension --></valueIdentifier>

</extension>

JSON Template 

{ // identifier
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-identifier", // R! 
    "

    "valueIdentifier" : { Identifier } // C? R! Value of extension

  }

 

Constraints

  • ele-1 : All FHIR elements must have a @value or children unless an empty Parameters resource (xpath: @value|f:*|h:div @value|f:*|h:div|self::f:Parameters )
  • 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 )