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    1. Index
    2. FHIR Artifacts
    3. Extensions

For a full list of available versions, see the Directory of published versions

4.4. Extensions

This page lists all of the Extensions defined in this implementation guide. There may be additional extensions used from external sources such as the HL7 Extension Registry which are referenced in this guide.

Notes to Authors:
List only extensions defined within this IG here.
External extensions should be referenced in the descriptions where applicable.
Keep descriptions concise but clear (1–2 sentences).


Extension Description
{{pagelink:extension-example} Defines an extension for capturing an additional attribute (e.g., patient preferred language).
{{pagelink:extension-example2} Provides an extension for …

Notes to Authors:
Only create a dedicated Extension page if there is a need to explain the business context, usage, or constraints of the extension.
If no additional explanation is needed, simply link directly to the Extension's StructureDefinition link in the above table.

Version: 1.0.0 FHIR Version: R4.0.1

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