Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

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.

This is a preview of updates coming to the Technical Bulletin's website in April 2026. Return to current site.
Read more about the modernization release schedule in this announcement.
Comment via the yellow feedback button in the lower right hand corner of the page. Contact the NLM Help Desk with any questions or concerns.

RxNorm May 2025 Monthly Release

RxNorm May 2025 Monthly Release. NLM Tech Bull. 2025 May-Jun;(464):b2.

May 06, 2025 [posted]

The RxNorm May 2025 monthly release became available on Monday, May 5, 2025 and there are no major changes to report.

RELATED

RxNorm December 2024 Monthly Release. NLM Technical Bulletin. 2024 Nov–Dec
[2024-11-27]

RxNorm October 2024 Monthly Release. NLM Technical Bulletin. 2024 Sep–Oct
[2024-10-07]

RxNorm September 2024 Monthly Release. NLM Technical Bulletin. 2024 Sep–Oct
[2024-09-03]