Skip to Main Content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.

Healthcare Classifications and Terminologies

What is RxNorm?

RxNorm provides linkage to many of the drug vocabularies commonly used in pharmacy management and drug interaction software.  This facilitates exchange of information between systems not using the same software and vocabulary.  RxNorm was built with the support of several federal agencies including the U.S. National Library of Medicine, U.S. Food and Drug Administration, and the Agency for Healthcare Research and Quality.  Additional information can be found U.S. National Library of Medicine website on RxNorm.  

Where can I obtain RxNorm?

RxNorm can be acessed U.S. National Library of Medicine website on RxNorm. A good place to start is the Overview. Resources are available at RxNorm History and Other Publications.