Unified Medical Language System® (UMLS®)
Contact UMLS Support:
- To request or cancel a DVD: Sign in to the UTS, click 'My Profile.' Click on ‘Edit Profile,' check or uncheck the box, 'I would like to receive a DVD containing the UMLS data.' Click 'Save Profile' to finish.
Contact RxNorm Support:
Contact RxNav Support:
Training Information:
UMLS Users Listserv (UMLSUSERS-L):
UMLS users are encouraged to subscribe to this list, to share their experiences with, or seek advice from the UMLS community on using UMLS resources. NLM also uses this forum to distribute official announcements about UMLS products and services.
- To subscribe, send an e-mail to: listserv@list.nih.gov containing the following message: SUBSCRIBE UMLSUSERS-L <your full name>
- To post a message to the list AFTER subscribing, send an e-mail to: UMLSUSERS-L@list.nih.gov
- To access subscription information and list archives, go to: UMLSUSERS-L Listserv Web page
RxNorm Announcements Listserv (RXNORM-ANNOUNCES-L):
Announcement-only list about major changes to the RxNorm release files, technical issues related to accessing the files, and other important announcements.
- To subscribe, send an e-mail to: listserv@list.nih.gov containing the following message: SUBSCRIBE RXNORM-ANNOUNCES-L <your full name>
- To access subscription information and list archives, go to: RXNORM-ANNOUNCES-L Listserv Web page
