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Unified Medical Language System® (UMLS®)

Release Documentation Archive

Current Release Documentation - 2014AA
Note: As of the 2009AA UMLS Release, general reference information is available as the UMLS Reference Manual. Information specific to a UMLS Release, such as sources included in the current version of the Metathesaurus and statistics regarding the number of concepts, remains on the UMLS Web site as part of the Release Documentation.

Current UMLS License Agreement

Previous Release Bugs


Previous UMLS Releases

Release
Release Documentation Archives
License Agreement Archival Copy

2013AB

2013AA

2012AB

2012AA

2011AB

2011AA

2010AB

2010AA

2009AB

2009AA

2008AB

2008AA

2007AC

2007AB

2007AA

2006AD

2006AC

2006AB

2006AA

2005AC

2005AB

2005AA

2004AC

2004AB

2004AA

2003AC

2003AB

2003AA

2002AD

2002AC

2002AB

2002AA

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