The September 2025 release of the pan-Canadian LOINC Observation Code Database (pCLOCD), version R06.23.00_2.81, is now available for implementation. This update, informed by LOINC release v2.81, reflects ongoing collaboration between Canadian implementers and the LOINC Community to enhance interoperability across health and lab systems.

How to access the release :

• Download or programmatically access via the FHIR Terminology Server .
• Search individual concepts with the Terminology Server Shrimp Browser .

Highlights of this release:

• 77 LOINC terms added to support jurisdictional requests and LIS needs.
• 415 pan-Canadian nomenclature edits to retain specificity and clarity
• LOINC 2.81 updates: Modifications made to 105 LOINC terms in the latest international release, including restoring clinical specificity in Component names for 11 Hematology codes (Erythrocytes). These Canada-driven changes support current implementations, clinical interpretation, reporting workflows, system usability, patient safety, and accurate data use.
• MIS Standards updates from CIHI, aligning terms with the latest reporting requirements.

Read the full details in the pCLOCD release notes.

How to get involved: Submit change requests through InfoRMS (available with a registered InfoCentral account).

Thank you to the French Translation Working Group, CIHI, and all contributors for your continued support in ensuring pCLOCD meets Canadian needs.

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