Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Unified Medical Language System® (UMLS®)

FAQ   |  Customer Support

UMLS Community - User Contributions

A Collection of UMLS Tools

The UMLS community has developed APIs, automation scripts, and NLP tools that extend UMLS functionality. Want to contribute? Submit your tool via our customer service form with subject: UMLS Community and a link to your source code.

Disclaimer: Tools listed here are provided by third parties and are not officially endorsed by the National Library of Medicine (NLM). Use at your own risk. Verify functionality and compatibility before using in production environments.

Last Reviewed: September 19, 2024