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Extension: Author Language
| Official URL: http://fhir.awmf.org/awmf.ig/StructureDefinition/ext-author-language | Version: 0.2.0 | |||
| Draft as of 2026-01-29 | Computable Name: AuthorLanguage | |||
This extension allows for the specification of the language(s) the author contributed to a section in a FHIR Composition.
Context of Use
-
Element ID:
Reference
This extension may be used on the following element(s)
Guidance
This extension specifies the language(s) contributed by an author to content in a Composition section.
Overview
When authors contribute content in multiple languages or when clarification is needed about which language content was authored in, this extension provides that information.
Context
This extension can be applied to Reference elements (typically author references).
Value Type
The value is a language code following IETF BCP 47 standards:
* value[x] only code
* value[x] from CommonLanguages (preferred)
Example Usage
// In a Composition section author reference:
* author.extension[ext-author-language].valueCode = #de
// For multilingual contributions:
* author[0].extension[ext-author-language].valueCode = #de
* author[1].extension[ext-author-language].valueCode = #en
This profile of a FHIR Extension is derived from the Extension FHIR resource.
Usage info
Usages:
- This Extension is not used by any profiles in this Implementation Guide
You can also check for usages in the FHIR IG Statistics
Formal Views of Extension Content
Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter:   | ||||
|---|---|---|---|---|---|---|---|---|
  Extension |
0..1 | Extension | Language(s) used by the author | |||||
  extension |
0..0 | Extension | ||||||
| url |
1..1 | uri | "http://fhir.awmf.org/awmf.ig/StructureDefinition/ext-author-language" | |||||
  value[x] |
1..1 | code | Value of extension Binding: CommonLanguages (preferred): IETF language tag
| |||||
| Documentation for this format | ||||||||
| Name | Flags | Card. | Type | Description & Constraints Filter: | ||||
|---|---|---|---|---|---|---|---|---|
| Extension |
0..1 | Extension | Language(s) used by the author | |||||
| id |
0..1 | id | Unique id for inter-element referencing | |||||
| extension |
0..0 | Extension Slice: Unordered, Open by value:url | ||||||
| url |
Σ | 1..1 | uri | "http://fhir.awmf.org/awmf.ig/StructureDefinition/ext-author-language" | ||||
| value[x] |
Σ | 1..1 | code | Value of extension Binding: CommonLanguages (preferred): IETF language tag
| ||||
| Documentation for this format | ||||||||
This structure is derived from Extension
Differential View
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter: | ||||
|---|---|---|---|---|---|---|---|---|
| Extension |
0..1 | Extension | Language(s) used by the author | |||||
| extension |
0..0 | Extension | ||||||
| url |
1..1 | uri | "http://fhir.awmf.org/awmf.ig/StructureDefinition/ext-author-language" | |||||
| value[x] |
1..1 | code | Value of extension Binding: CommonLanguages (preferred): IETF language tag
| |||||
| Documentation for this format | ||||||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: | ||||
|---|---|---|---|---|---|---|---|---|
| Extension |
0..1 | Extension | Language(s) used by the author | |||||
| id |
0..1 | id | Unique id for inter-element referencing | |||||
| extension |
0..0 | Extension Slice: Unordered, Open by value:url | ||||||
| url |
Σ | 1..1 | uri | "http://fhir.awmf.org/awmf.ig/StructureDefinition/ext-author-language" | ||||
| value[x] |
Σ | 1..1 | code | Value of extension Binding: CommonLanguages (preferred): IETF language tag
| ||||
| Documentation for this format | ||||||||
This structure is derived from Extension
Other representations of profile: CSV, Excel, Schematron
Terminology Bindings
| Path | Status | Usage | ValueSet | Version | Source |
| Extension.value[x] | Base | preferred | Common Languages | 📦6.0.0-ballot3 | FHIR Std. |
Constraints
| Id | Grade | Path(s) | Description | Expression |
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children |
hasValue() or (children().count() > id.count())
|
| ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both |
extension.exists() != value.exists()
|