Unified Medical Language System® (UMLS®)
UMLS News and Announcements
January 2016 International Release of SNOMED CT Available for Download
February 1, 2016
The January 2016 International Release of SNOMED CT is available for download. The RF1 and RF2 release files are now two separate download files and the SNOMED CT RF1 Compatibility Package tools are available for download from the same Web page.
2015AB UMLS Release
November 12, 2015
The 2015AB edition of the UMLS Knowledge Sources is available for download. For information about the release, see the What’s New section of the Release Documentation.
New UTS REST API
November 5, 2015
NLM has developed a beta version of a UMLS REST API along with sample code on github to showcase interacting with the API in common languages such as Python, Perl, and Jav. The beta version supports the most frequently needed use cases such as: term searching, retrieving UMLS CUIs, retrieving information for CUIs and source-asserted identifiers, and extracting subsets. Additional features are in development.
Updated CMT Subset Available for Download
October 15, 2015
An updated Convergent Medical Terminology (CMT) subset is now available for download. This updated problem list subset includes concepts that Kaiser Permanente uses for documenting History and Family History. There are 1,466 SNOMED CT concepts in the file and includes mappings to ICD-9-CM and ICD-10-CM. SNOMED CT concepts are based on the January 2014 International Release.