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National Library of Medicine Technical BulletinNational Library of Medicine Technical Bulletin

Table of Contents: 2013 NOVEMBER–DECEMBER No. 395

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UMLS 2013AB Release Available

Wilder V. UMLS 2013AB Release Available. NLM Tech Bull. 2013 Nov-Dec;(395):e4.

2013 November 22 [posted]

The 2013AB release of the Unified Medical Language System (UMLS) Knowledge Sources is available for download as of November 21, 2013.

In the new UMLS Release there are:

As of 2013AA, the release is available in two versions: Full and Active.

The Full Release includes all source vocabularies.

The Active Release includes only vocabularies that are actively updated in the Metathesaurus. The Active Release is a smaller download, decreases MetamorphoSyS processing time, and provides easier access to current Metathesaurus content.

Data Changes

Logical Observation Identifier Names and Codes (LOINC)

Release Information
For more information about the release, see the What's New and Updated Sources sections of the Release Documentation. Additional release statistics are published on the UMLS Web site.

To access the UMLS Release files, you must have an active UMLS Metathesaurus License and a valid UTS account. You will be prompted for your UTS username and password when downloading the files.

Additional information regarding the UMLS is available on the UMLS homepage. New users are encouraged to take the UMLS Basics Tutorial and to explore the new UMLS Quick Start Guide, training materials and other information on the New Users' homepage.

Source Release Documentation
2013AB Source Release Documentation Web pages will be published following the release.

By Victoria Wilder
MEDLARS Management Section

NLM Technical Bulletin National Library of Medicine National Institutes of Health