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RxNorm Files

The license agreement required for the RxNorm releases is available from: https://www.nlm.nih.gov/databases/umls.html.

The terms and conditions for using RxNorm data is available on the RxNorm Terms of Service page: https://www.nlm.nih.gov/research/umls/rxnorm/docs/termsofservice.html.

RxNorm Full Monthly Release
January 3, 2023
RxNorm Weekly Updates
January 2023
RxNorm_full_01032023.zip
MD5 checksum: 5a6698f0ed2705bc308ff09fc606fcd8

Release Notes 01/03/2023

RxNorm Technical Documentation
Current: RxNorm_weekly_02012023.zip
Source Update: MTHSPL - 01/27/2023
MD5 checksum: 9d79dc65c536c2cdcc6312104669ed4e

RxNorm_weekly_01252023.zip
Source Update: MTHSPL - 01/23/2023
MD5 checksum: 0cfb2a4df845c1b562c90d9634dc8767

RxNorm_weekly_01182023.zip
Source Update: MTHSPL - 01/16/2023
MD5 checksum: 6a67759a119f2e3348bdd9cbbcddc9ee

RxNorm_weekly_01112023.zip
Source Update: MTHSPL - 01/09/2023
MD5 checksum: 535f89b433b46d231b4e8db2a4a75910

RxNorm_weekly_01042023.zip
Source Update: MTHSPL - 01/02/2023
MD5 checksum: e5515296c7ae75479df7bc9719e8407a

Current Prescribable Content Monthly Release
January 3, 2023
Current Prescribable Content Weekly Updates
January 2023
RxNorm_full_prescribe_01032023.zip (no license required)
MD5 checksum: 6765f4cb1f006886e465196353a3cdfd

Release Notes 01/03/2023

Current Prescribable Content Documentation
Current: RxNorm_weekly_prescribe_02012023.zip
Source Update: MTHSPL - 01/27/2023
MD5 checksum: 49c145b8a33dcb34546688483cfe18f3

RxNorm_weekly_prescribe_01252023.zip
Source Update: MTHSPL - 01/23/2023
MD5 checksum: 893c6309e4d4c836be97df7806e1af52

RxNorm_weekly_prescribe_01182023.zip
Source Update: MTHSPL - 01/16/2023
MD5 checksum: e2fb4e4baced1ad2bf174df4f9a54ac1

RxNorm_weekly_prescribe_01112023.zip
Source Update: MTHSPL - 01/09/2023
MD5 checksum: 4bd567a0610f018ba249335c46fc2eef

RxNorm_weekly_prescribe_01042023.zip
Source Update: MTHSPL - 01/02/2023
MD5 checksum: 2524bf7b95f2f67bb4d5d5af587e81bf

 

RxNorm files are pipe-delimited text files in Rich Release Format (RRF) with the extension ".RRF". They do not require the use of the MetamorphoSys program provided with the UMLS Knowledge Sources Files. The character set of RxNorm release files is Unicode UTF-8. If you need assistance with these files, please e-mail the RxNorm team at: rxnorminfo@nlm.nih.gov. Please read the README file for the release, which is contained in the release zip package. For additional information about RxNorm releases, including scripts for loading the RxNorm data into Oracle and MySQL databases, read the RxNorm Technical Documentation.

For users who wish to automate the download of the RxNorm releases, steps are available here: https://documentation.uts.nlm.nih.gov/automating-downloads.html.



RxNorm Previous Releases

RxNorm files from May 2020 to the present contain data consistent with the 2020AA UMLS Metathesaurus

RxNorm_full_12052022.zip, Release Notes 12/05/2022
       RxNorm_full_prescribe_12052022.zip, Release Notes 12/05/2022

RxNorm_full_11072022.zip, Release Notes 11/07/2022
       RxNorm_full_prescribe_11072022.zip, Release Notes 11/07/2022

RxNorm_full_10032022.zip, Release Notes 10/03/2022
       RxNorm_full_prescribe_10032022.zip, Release Notes 10/03/2022

RxNorm_full_09062022.zip, Release Notes 09/06/2022
       RxNorm_full_prescribe_09062022.zip, Release Notes 09/06/2022

RxNorm_full_08012022.zip, Release Notes 08/01/2022
       RxNorm_full_prescribe_08012022.zip, Release Notes 08/01/2022

RxNorm_full_07052022.zip, Release Notes 07/05/2022
       RxNorm_full_prescribe_07052022.zip, Release Notes 07/05/2022

RxNorm_full_06062022.zip, Release Notes 06/06/2022
       RxNorm_full_prescribe_06062022.zip, Release Notes 06/06/2022

RxNorm_full_05022022.zip, Release Notes 05/02/2022
       RxNorm_full_prescribe_05022022.zip, Release Notes 05/02/2022

RxNorm_full_04042022.zip, Release Notes 04/04/2022
       RxNorm_full_prescribe_04042022.zip, Release Notes 04/04/2022

RxNorm_full_03072022.zip, Release Notes 03/07/2022
       RxNorm_full_prescribe_03072022.zip, Release Notes 03/07/2022

RxNorm_full_02072022.zip, Release Notes 02/07/2022
       RxNorm_full_prescribe_02072022.zip, Release Notes 02/07/2022

RxNorm_full_01032022.zip, Release Notes 01/03/2022
       RxNorm_full_prescribe_01032022.zip, Release Notes 01/03/2022

RxNorm Release Archives for 2005-2021

Last Reviewed: February 1, 2023