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Two Updated SNOMED CT Mapping Files Released

Two Updated SNOMED CT Mapping Files Released. NLM Tech Bull. 2017 Jan-Feb;(414):b5.

January 17, 2017 [posted]

NLM is pleased to announce the availability of two updated SNOMED CT mapping files:


  1. ICD-9-CM Diagnostic Codes to SNOMED CT map
    The map is derived from versions ICD-9-CM 2013 and September 2016 US Edition of SNOMED CT. The goal of this mapping file is to facilitate the translation of legacy data and the transition to prospective use of SNOMED CT for patient problem lists.

  2. ICD-9-CM Procedure Codes to SNOMED CT map
    The map is derived from versions ICD-9-CM 2013 and September 2016 US Edition of SNOMED CT. This map is designed to support a transition from the use of legacy ICD-9-CM procedure codes to SNOMED CT.

The mapping files are available for download by UMLS licensees from the UMLS Terminology Services (UTS).