This superseded version is for reference only. Please use the current version to integrate your product with the HI Service.
The Healthcare Identifiers Service Conformance Documents are required for software developers who want to integrate their product with the Healthcare Identifiers Service (HI Service).
This suite of conformance requirements documents supports the safe use of healthcare identifiers in health software systems. The conformance requirements apply to one or more business use cases, where each use case describes a scenario in which healthcare identifiers are used.
For more information, refer to the documents and specifications listed below and to Use of Healthcare Identifiers in Health Software Systems - FAQs
(See also: Supplementary guidance on recognising retired IHIs.)
Download Healthcare Identifiers Service - Conformance Documents v5.0
EP_4173_2025_HealthcareIdentifiersService-ConformanceDocuments_v5.0.zip ()This product contains the following components:
- Healthcare Identifiers Service - Support Documents v1.5 - superseded
- Healthcare Identifiers Service - Support Documents v1.4 - superseded
- Healthcare Identifiers Service - Support Documents v1.3 - superseded
- Healthcare Identifiers Service - Support Documents v1.2 - superseded
- Healthcare Identifiers Service v1.1.3 - superseded
- Healthcare Identifiers Service v1.1.2 - superseded
- Healthcare Identifiers Service v1.1.1 - superseded
- Healthcare Identifiers Service v1.1 - superseded
- Healthcare Identifier Service v1.0 - superseded