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The part of SNOMED CT that is maintained and distributed by the SNOMED International and available to all Members and Affiliates as the shared foundation of the terminology.


  1. The International edition, provided by the SNOMED International, may be supplemented by Extensions maintained by Members and Affiliates to meet additional national, local and organizational requirements.
  2. The combination of the International edition with a National Extension is referred to as a National Edition.
  3. The International release refers to a release of content from the International edition at a particular release date.


  • International edition