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 June 5, 2023 | RxNorm Weekly Updates June 2023 |
|---|---|
| RxNorm_full_06052023.zip MD5 checksum: cb62344336edb2ccc7f62931d3096791 Release Notes 06/05/2023 RxNorm Technical Documentation |
The first weekly update will be released on 06/07/2023. |
| Current Prescribable Content Monthly Release June 5, 2023 | Current Prescribable Content Weekly Updates June 2023 |
|---|---|
| RxNorm_full_prescribe_06052023.zip (no license required) MD5 checksum: bbdca7351c8ac7b9bd86f1ece0e9523a Release Notes 06/05/2023 Current Prescribable Content Documentation |
The first weekly update will be released on 06/07/2023. |
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. The RxNorm files are also available through generic URLs with the word "current" instead of specific dates. See below for examples.
https://download.nlm.nih.gov/umls/kss/rxnorm/RxNorm_full_current.zip
https://download.nlm.nih.gov/umls/kss/rxnorm/RxNorm_weekly_current.zip
RxNorm Previous Releases
RxNorm files from May 2020 to the present contain data consistent with the 2020AA UMLS Metathesaurus
RxNorm_full_05012023.zip, Release Notes 05/01/2023
RxNorm_full_prescribe_05012023.zip, Release Notes 05/01/2023
RxNorm_full_04032023.zip, Release Notes 04/03/2023
RxNorm_full_prescribe_04032023.zip, Release Notes 04/03/2023
RxNorm_full_03062023.zip, Release Notes 03/06/2023
RxNorm_full_prescribe_03062023.zip, Release Notes 03/06/2023
RxNorm_full_02062023.zip, Release Notes 02/06/2023
RxNorm_full_prescribe_02062023.zip, Release Notes 02/06/2023
RxNorm_full_01032023.zip, Release Notes 01/03/2023
RxNorm_full_prescribe_01032023.zip, Release Notes 01/03/2023
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
Last Reviewed: June 5, 2023