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Details about Maintenance Subset and SNOMED Subset releases are provided on the Release page here. Subset changes that occur during a maintenance release are provided here. Information that is common to all subset releases (requesting a change, french French translation processes etc) can be found on the "About Subset Releases" page. Editorial guidelines for subsets that use SNOMED CT are available on the SNOMED CT - Canadian Edition pages. Requests for change are welcome at any time and can be submitted via InfoRMS. Comments, questions or inquiries about implementation are most welcome. Please contact us. |
Known HL7 Subset Issues
As part of the HL7 approach to provide unified governance, and support consistent access to the terminology and vocabulary that has been published for many years, all of the published Code Systems and Value Sets across all HL7 Product families are intended to be accessible from the HL7 Terminology (THO) main entry page (https://terminology.hl7.org/). This includes Version 2, Version 3, CDA (base only), and FHIR. The consolidation of all of the terminology content of HL7 Code Systems is an ongoing effort.
Many HL7 Subsets on the terminology gateway (https://tgateway.infoway-inforoute.ca/) refer to the old URL Code System URI / ID which is outdated and follow the format "http://hl7.org/fhir/v3/...", these will be reviewed, assessed and presented at the HL7 Forum and Community call for feedback before changes are made to a newer defining URL.