Extension: identifier

FHIR Infrastructure Work Group

Maturity Level: 1

Trial Use

Use Context: Any

Official URL: `http://hl7.org/fhir/StructureDefinition/artifact-identifier`				Version: 5.0.0-snapshot3
draft as of 2022-02-07				Computable Name: identifier
Flags: Non-Modifier				OID: TBD

Context of Use: Use on Element ID Element

Definition

A formal identifier that is used to identify this {{title}} when it is represented in other formats, or referenced in a specification, model, design or an instance.

Comment:

Typically, this is used for identifiers that can go in an HL7 V3 II (instance identifier) data type, and can then identify this {{title}} outside of FHIR, where it is not possible to use the logical URI.

Summary

Name	Flags	Card.	Type	Description & Constraints
identifier		0..*	Identifier	URL = http://hl7.org/fhir/StructureDefinition/artifact-identifier identifier: A formal identifier that is used to identify this {{title}} when it is represented in other formats, or referenced in a specification, model, design or an instance. Use on Element ID Element
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
extension	0..*	Extension	URL = http://hl7.org/fhir/StructureDefinition/artifact-identifier identifier: A formal identifier that is used to identify this {{title}} when it is represented in other formats, or referenced in a specification, model, design or an instance. Use on Element ID Element
extension	0..0
url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/artifact-identifier"
value[x]	1..1	Identifier	Value of extension
Documentation for this format

XML Template

<!-- identifier -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/artifact-identifier" >
  <!-- from Element: extension -->
 <valueIdentifier><!-- I 1..1 Identifier Value of extension --></valueIdentifier>
</extension>

JSON Template

{ // identifier
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
  // extension: Extension: Prohibited
    "url" : "http://hl7.org/fhir/StructureDefinition/artifact-identifier", // R! 
    "valueIdentifier" : { Identifier } // I R! Value of extension
  }

Summary

Name	Flags	Card.	Type	Description & Constraints
identifier		0..*	Identifier	URL = http://hl7.org/fhir/StructureDefinition/artifact-identifier identifier: A formal identifier that is used to identify this {{title}} when it is represented in other formats, or referenced in a specification, model, design or an instance. Use on Element ID Element
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
extension	0..*	Extension	URL = http://hl7.org/fhir/StructureDefinition/artifact-identifier identifier: A formal identifier that is used to identify this {{title}} when it is represented in other formats, or referenced in a specification, model, design or an instance. Use on Element ID Element
extension	0..0
url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/artifact-identifier"
value[x]	1..1	Identifier	Value of extension
Documentation for this format

XML Template

<!-- identifier -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/artifact-identifier" >
  <!-- from Element: extension -->
 <valueIdentifier><!-- I 1..1 Identifier Value of extension --></valueIdentifier>
</extension>

JSON Template

{ // identifier
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
  // extension: Extension: Prohibited
    "url" : "http://hl7.org/fhir/StructureDefinition/artifact-identifier", // R! 
    "valueIdentifier" : { Identifier } // I R! Value of extension
  }

Constraints

ele-1: All FHIR elements must have a @value or children (xpath: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (xpath: extension.exists() != value.exists())
ele-1: On Extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension: hasValue() or (children().count() > id.count()))
ext-1: On Extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension: extension.exists() != value.exists())
ele-1: On Extension.value[x]: All FHIR elements must have a @value or children (xpath on Extension.value[x]: hasValue() or (children().count() > id.count()))

Search

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Examples of this extension

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