Dissolve-E: AWMF Guideline Registry
0.2.0 - ci-build

Dissolve-E: AWMF Guideline Registry - Local Development build (v0.2.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

## Extension: RelatesTo Label

Official URL: http://fhir.awmf.org/awmf.ig/StructureDefinition/ext-relates-to-label | Version: 0.2.0
Draft as of 2026-01-29 | Computable Name: RelatesToLabel

This extension defines a label for the 'relatesTo' relationship using a CodeableConcept.

Context of Use

This extension may be used on the following element(s)

- Element ID: `Composition.relatesTo`

### Guidance

This extension defines a human-readable label for the `relatesTo` relationship.

#### Overview

When linking to related artifacts, this extension allows adding a descriptive label that can be displayed to users, making the relationship clearer and more informative.

#### Context

This extension can be applied to `Composition.relatesTo` elements.

#### Value Type

The value is a `string`:

    * value[x] only string
    * valueString 1..1

#### Example Usage

    * relatesTo[similarTo]
      * type = #similar-to
      * extension[label].valueString = "English version of this guideline"
      * targetReference = Reference(EnglishGuideline)

This profile of a FHIR Extension is derived from the Extension FHIR resource.

Usage info

Usages:

- Use this Extension: Guideline Registry Record
- Examples for this Extension: Composition/NosokomialePneumonieRecord

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.

- Differential Table
- Snapshot Table
- Statistics/References
- All

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | RelatesTo Label
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://fhir.awmf.org/awmf.ig/StructureDefinition/ext-relates-to-label"
value[x] |  | 1..1 | string | Value of extension
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | RelatesTo Label
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-relates-to-label"
value[x] | Σ | 1..1 | string | Value of extension
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type string: This extension defines a label for the 'relatesTo' relationship using a CodeableConcept.

Differential View

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | RelatesTo Label
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://fhir.awmf.org/awmf.ig/StructureDefinition/ext-relates-to-label"
value[x] |  | 1..1 | string | Value of extension
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | RelatesTo Label
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-relates-to-label"
value[x] | Σ | 1..1 | string | Value of extension
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type string: This extension defines a label for the 'relatesTo' relationship using a CodeableConcept.

Other representations of profile: CSV, Excel, Schematron

#### 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()`