UMLS^®

The UMLS integrates and distributes key terminology, classification and coding standards, and associated resources to promote creation of more effective and interoperable biomedical information systems and services, including electronic health records. More information...

Metathesaurus License
UMLSKS
Downloads
UMLS® Reference Manual
Requires active UMLS Metathesaurus License and UMLSKS login account.

New Users

Licensing Information
Basics Tutorial
Glossary
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UMLS Knowledge Sources

Documentation for:

Metathesaurus
Semantic Network
SPECIALIST Lexicon and Lexical Tools
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User Education

Webcasts
Quick Tours
Presentations
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Implementation Resources

For advanced users:

MetamorphoSys
Database Query Diagrams
Load Scripts
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UMLS News

2009AB UMLS Release available on UMLSKS...

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Related Resources

MeSH
RxNorm
SNOMED CT

Last reviewed: 20 November 2009
Last updated: 20 November 2009
First published: 29 July 2009
Metadata| Permanence level: Permanence Not Guaranteed

UMLS®