# Common Components FHIR Implementation Guide

26.0.0 - Trial

Common Components FHIR Implementation Guide, published by Australian Digital Health Agency. This guide is not an authorized publication; it is the continuous build for version 26.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/AuDigitalHealth/common-components/ and changes regularly. See the Directory of published versions

## CodeSystem: Identifier Type

Official URL: http://digitalhealth.gov.au/fhir/cc/CodeSystem/identifier-type-cs | Version: 26.0.0
Draft as of 2026-07-14 | Computable Name: IdentifierTypeCS
Copyright/Legal: This content is licensed under a Creative Commons Attribution 4.0 International License. See https://creativecommons.org/licenses/by/4.0/

Identifier type codes defined for use in ADHA data format mapping FHIR profiles, supplementing HL7 v2 Table 0203 where no suitable standard code exists.

This Code system is referenced in the content logical definition of the following value sets:

- IdentifierTypeVS

This case-sensitive code system `http://digitalhealth.gov.au/fhir/cc/CodeSystem/identifier-type-cs` defines the following code:

Code | Display | Definition
CDII | CDA Instance Identifier | An identifier derived from the instance identifier of a source CDA clinical document, used to carry source document provenance into a FHIR context.