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Comment: Published by Scroll Versions from space SCTC and version 3.1
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idLOINC
Date
March
May 31,
2022
2025
InfoRMS

Scope

Access

Terminology

Gateway

Server

Code SystemSNOMED CT CA Edition
Code System Version
March
May 31,
2022
2025
Release TypeMaintenance

The SNOMED CT Canadian Edition package includes one (1) set of files for referencing the Canadian English (CA EN), Canadian French (CA FR), and Canadian refsets, and International Edition release content up to and including the February 2022 release. All French descriptions translated by the Common French Group are also part of the CA EditionMay 2025 release. Package contents have been pre-computed and harmonized based on the module dependency when several extensions are merged. 

The package is a .zip file that includes text files in the RF2 format as per the SNOMED International specification. The CA Edition contains three two (32) release types: full and snapshot. To align with SNOMED International releases, delta and snapshotthe package no longer includes a delta release type. Each type of release file includes reference set files and terminology core files.

Release notes for the International Edition and the Common French Extension can be accessed here


Release Scope

  1. Requests for change received from Canadian implementers from September 4February 1st, 2021 2025 to March 4May 2nd, 2022  2025 - InfoRMS SNOMED CT RFC Project
    1. Requests to add, change or inactivate content in both English and French. 
    2. Content corrections (typographical errors, metadata, others).  
    3. CA EN concepts promoted to the International Edition of SNOMED CT.
    4. In the Release Notes, "Issues in progress" refers to requests that were accepted and added to the most recent Canadian Edition, but they also have been submitted to SNOMED International for consideration for core inclusion. If accepted, they are in scope for inclusion in the International Edition and will be assigned to a release by SNOMED International , and will require harmonization with the next CA Edition release.


  2. Reference setsSubsets

Valuesets - InfoRMS Subset RFC Project 

This release contains three new subsets created for use by Canadian implementers: IndigenousIdentitiyCode, RacializedGroupCode and VisitModalityCode.

    1. Pan-Canadian SNOMED CT
  1. subsets
    1. valuesets in scope for this maintenance cycle include: Immunization, Communicable Disease, Primary Health Care and others.
  2. All 41
    1. 32 SNOMED CT
  3. subsets (refsets)
    1. valuesets are published
  4. as
    1. as extensional reference sets (refsets) in the Canadian Edition (Canada Health Infoway Simple Type Reference Set (foundation metadata concept)).
  5. 13 of 41 resets
    1. 26 of 58 valuesets are expanded type valuesets that are intensionally defined (i.e. defined using queries). These can be found as members of the Simple query specification reference set (foundation metadata concept). See below printscreen.


Image Modified

Language Reference set

 In addition to the Canadian English and the Canadian French language refsets, two new language refsets were added to support  the Public Health Surveillance Community (see Infoscribe page related to Picklists)

    • Canadian French Patients Picklists codes reference set
    • Canadian English Patients Picklists codes reference set

Simple map reference sets

4 simple map refsets were created to support the Canadian Medicines Terminology (CMT) project. This information is provided for informational purposes only. These maps are partial and should not be used at this time, as they are subject to change. We are currently evaluating whether these files will be included in the scope of future releases.

    • SNOMED CT to ATC simple map
    • SNOMED CT to CCDD MP simple map
    • SNOMED CT to CCDD TM simple map
    • SNOMED CT to CCDD NTP simple map

New in this release

New concepts to support the phase 1 of the Canadian Medicines Terminology (CMT) project were added. Please see the Canadian Medicines Terminology pages for more information.

this rNotes for this Release:

  1. New vaccine concepts to support the ongoing COVID-19 response. work for Immunization.
  2. Release notes for International releases including the International Edition and the Common French extension are no longer included in the Canadian Edition release package. International release notes can be accessed here and Common French release notes can be accessed here.
  3. Inclusion of concepts that originated in other national extensions and were promoted to core because they also meet Canadian requirements and, as such, meet the international use case (lateral promotion).
  4. French translation of vaccine content, findings, organisms, specimens, body structures, and content related to the CIHI HHR MDS and ODT programs:
  5. The Canadian Edition includes new translation of COVID-19 concepts.
  6. It includes the Common French extension which is composed of all descriptions translated by French speaking member countries engaged in the International French Translation Collaboration.
  7. The Common French extension of SNOMED CT is available on the Community Content Page published by SNOMED International and may be published as part of a national edition of any of the member countries involved in the production of this translation.
  8. SNOMED CT Common French Extension release notes can be accessed hereto support Canadian implementations, including: ongoing immunization work; the Canadian Institute for Health Information (CIHI) pan-Canadian Health Data Content Framework (pCHDCF) ; other projects from Ministère de la Santé et des Services sociaux du Québec (MSSS) such as CNESST, CISSSMO and PTI.

Refer to section 5. Questions and Comments, for additional information about SNOMED CT or if you have comments.

Refer to section 6. Requests for Change (RFC), for additional information on how to request terminology content or subsets. 

Refer to section 7. Updates and Publications, for dates and times related to publication.