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.

The modernized Technical Bulletin website is here!
Read more about the modernization release schedule in this announcement. Contact the NLM Help Desk with any questions or concerns.
Return to old site

This is archived content.

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

RxNorm November 2022 Release

RxNorm November 2022 Release. NLM Tech Bull. 2022 Nov-Dec;(449):b5.

November 07, 2022 [posted]

The RxNorm November 2022 monthly release became available on Monday, November 7, 2022.

RXNORM DATA CHANGES

No major changes to report for the RxNorm November 2022 release.

RELATED NEWS

Download any RxNorm, SNOMED CT, or UMLS Release using a Single Command

A new application programming interface (API) endpoint is available for automating downloads of RxNorm, SNOMED CT, and Unified Medical Language System (UMLS) release files. Simply provide the URL and your API key.

  • The base URI is https://uts-ws.nlm.nih.gov/download

Here are examples to download RxNorm Weekly Updates:
https://uts-ws.nlm.nih.gov/download?url=https://download.nlm.nih.gov/umls/kss/rxnorm/RxNorm_weekly_10052022.zip&apiKey=YOUR_API_KEY

curl example:
curl "https://uts-ws.nlm.nih.gov/download?url=https://download.nlm.nih.gov/umls/kss/rxnorm/RxNorm_weekly_10052022.zip&apiKey=YOUR_API_KEY" -o RxNorm_weekly_10052022.zip

For more information, see the UMLS API Technical Documentation page.