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idLOINCSNOMED
DateJuly October 31, 2017
InfoRMS

SR-38Scope

AccessTerminology Gateway
Code SystemLOINCSNOMED CT
Code System Version2.61July 31, 2017
Release TypeMaintenance

The pan-Canadian LOINC Observation Code Database (pCLOCD) standard is published as an Excel file that contains ten tabs. The four tabs that were edited in this release include Infoway Terms of Use, LOINC® Copyright, Nomenclature and the Change Log. This release contains the June 2017 update (2.61) from the Regenstrief Institute Inc. and any interim changes from the previously published release, which are described below.

Table of Contents

Immunization RefSets Specific Release Notes

Canadian Edition package includes one (1) set of files for referencing the English and French CA content and the July 2017 version of SNOMED CT International. This publication format is provided to Canadian stakeholders to facilitate implementation if there is no need to use the Canadian Extension* files separately. The content of this package has 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 specifications. The files provide the three (3) types of releases: full, delta and snapshot. Each type of release file includes refset files and terminology core files.

 

*  The Extension package will be available only upon request. It consists of three (3) different modules and files that can be implemented individually: there is a module for the English CA content, one for the French CA content and one for the References sets that are in scope for the release.

 

Release Scope

Scope

    1. Included in this release:

                                 i.    Request to add, change or inactivate  content in both English and French received from Canadian implementers from September 2016 to March 2017.

                                ii.   
  1. Request for change received from Canadian implementers from March to September 2017  - InfoRMS SNOMED CT RFC Project
    1. Requests to add, change or inactivate  content in both English and French 
    1. Corrections to content (typographical errors, metadata, others)

                               iii.    Authoring of all French descriptions

 

  1. Included in this release:
    1. SNOMED CT® Immunization Subsets Terminology Release - Release Notes 
    2. Updated Immunization subsets (7) :
  • AntigenCode
  • ImmunoglobulinCode
  • PassiveAdministeredImmunizingAgentCode
  • PassiveHistoricalImmunizingAgentCode
  • VaccineAdministeredTradeNameCode
  • VaccineHistoricalNameCode
  • VaccinePreventableDiseaseCod

Publication

    1. Human readable version

The human readable individual Immunization subsets are loaded to the Terminology Gateway. This allows Canadian stakeholders to navigate the updated subsets, get a delta (change logs) from the previous version and export the subset content in different format.

  1. Release format 2 (RF2) version

The machine readable subsets are included in the RF2 CA Extension release files. For more information on the CA Extension please refer to the SNOMED CT® English and French Canadian Edition and Extensions Release Notes, Version: 20170430.

Note: This document is embedded in the Canadian Extension/Edition package published on the Terminology Gateway.

Canadian Editorial Guidelines

Infoway has developed generic and immunization specific editorial guidelines. These editorial guidelines follow the SNOMED International’s editorial guidance as the baseline, but additional specifications are provided to avoid ambiguity and reflect Canadian specific requirements.

Implementers are encouraged to review the Canadian editorial guidelines before submitting a request for a new concept or a change to an existing concept. Refer to section Questions, Concerns, Changes, Corrections, for more information on Requests for Change (RFC).

 

Implementing this Release

The following four subsets should be implemented together: VaccineAdministeredTradeNameCode VaccineHistoricalNameCode PassiveAdministeredImmunizingAgentCode PassiveHistoricalImmunizingAgentCode The subsets with the same colored font complement each other; one subset includes the passive agent and the other includes the vaccine. AntigenCode and ImmunoglobulinCode subsets also complement each other and should be implemented together. AntigenCode ImmunoglobulinCode The VaccinePreventableDiseaseCode subset includes diseases that are prevented by administration of vaccines. VaccinePreventableDiseaseCode A. Guidance Jurisdictions that have not previously used the immunization subsets may begin to use the new version immediately. The subsets reference the SNOMED CT January 2017 International files and the April 30, 2017 release of the CA Extension. Jurisdictions that have already implemented the immunization subsets can review the changes from the terminology Gateway change logs. A review of the changes will help to determine how the changes impact the work completed to date. Some items for consideration: 1. Review the concepts that have been inactivated to see if they are currently in use. Inactivated codes should no longer be used. 2. Review the concepts that have been modified to ensure the modifications do not impact the use of that code in the system. 3. Review new concepts added to the CA Extension and determine if local codes should be updated. Copyright © 2017 - Canada Health Infoway 7 SNOMED CT Canadian Extension/Edition Release Notes Note: The RF2 CA Extension release files also provide the changes from last publication in the Delta files. More information on the CA Extension can be found in the SNOMED CT® English and French Canadian Edition and Extensions Release Notes, Version: 20170430 for more information on the Canadian Extension/Edition. This document is embedded in the Canadian Extension/Edition package published on the Terminology Gateway.

 

    1.  
    2. EN CA concepts promoted to international version of SNOMED CT : 
      1. There is about 350 concepts from Canada, that were accepted in the July 2017 version of SNOMED CT International. Most of them kept the CA conceptID, some did not because they had been already added from other stakeholders. 

  2. Subsets - InfoRMS Subset RFC Project
    1. Subsets updated: Immunization subsets, Primary Health Care subsets and the Communicable Disease subset. 
    2. New subset created:  EncounterDischargeDisposition 
    3. Subset inactivated: Prescription-AuthorizationType

  3. Issues resolved
    1. Capitalization of the vaccines trade names concepts
    2. Preferred synonyms that where not appropriately representing the semantic of the concept, were inactivated. 
    3. Case significance changes in the International version that impacted the CA Edition content
Communicable Disease