Welcome to the UMLS^® Login Page.

This page allows UMLS licensees to download the following resources:

• UMLS Knowledge Sources
• RxNorm weekly and monthly updates
• SNOMED CT^® and SNOMED CT Spanish biannual releases
• LNC215 to CPT2005 Mappings
• UMLS enhanced VA/KP Problem List Subset of SNOMED CT

Need a UMLS license? Register and receive a new UMLS license code.

Need a UMLS login account? Create your account on the UMLS Knowledge Source Server (UMLSKS). Click the "Request an account (New Users)" link in the middle of the home page, under the red "Login" button.

To request an account you will need the following information:

• UMLS license code
• First and last name used for license request
• E-mail address used for license request

Watch this page for further enhancements in the upcoming months.