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 early December 2025. 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.

This is archived content.

Links may have become inactive over time. Visit Archive-It   to find the original published layout.

RxNorm February 2023 Monthly Release

RxNorm February 2023 Monthly Release. NLM Tech Bull. 2023 Jan-Feb;(450):b6.

February 07, 2023 [posted]

The RxNorm February 2023 monthly release became available on Monday, February 6, 2023 and there are no major changes to report.