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Unified Medical Language System® (UMLS®)

RxNorm Release Notes

October Release - 10/02/2017

This release of RxNorm is consistent with the 2017AA UMLS Metathesaurus release. For additional information about RxNorm releases, including scripts for loading the RxNorm data into Oracle and MySQL databases, read the RxNorm technical documentation.


The following sources have been updated since the previous RxNorm release:

Source NameSABVersion
Vaccines Administered CVX CVX_2017_08_25
DrugBank DRUGBANK DRUGBANK5.0_2017_09_14
Gold Standard Drug Database GS GS_2017_08_30
Multum MediSource Lexicon MMSL MMSL_2017_09_01
Micromedex RED BOOK MMX MMX_2017_09_05
FDA Structured Product Labels MTHSPL MTHSPL_2017_09_22
FDB MedKnowledge (formerly NDDF Plus) NDDF NDDF_2017_08_30
Veterans Health Administration National Drug File - Reference Terminology NDFRT NDFRT_2017_10_02
Veterans Health Administration National Drug File VANDF VANDF_2017_08_24


The following sources have not been updated in this release:

Source NameSABVersion
Anatomical Therapeutic Chemical Classification System ATC ATC_2017
CMS Formulary Reference File MTHCMSFRF MTHCMSFRF_2014
Medical Subject Headings (MeSH) MSH MSH2017_2017_02_14
US Edition of SNOMED CT (drug information) SNOMEDCT_US SNOMEDCT_US_2017_07_31

Data Changes

Medi-Span Data Removed
Medi-Span data has been removed from RxNorm at Wolters Kluwer’s request. As of October 2017, Medi-Span data will not be included in the RxNorm or UMLS releases. If you have questions, please contact:

Data Counts

Term Type or AttributeNumber
Active GPCKs377
Active BPCKs450
Active SCDs18247
Active SBDs10481
Active RXNORM MINs3957
Active RXNORM INs11484
Active RXNORM PINs2704
Active RXNORM BNs6113
Active RXNORM DFs116
Obsolete GPCKs163
Obsolete BPCKs136
Obsolete SCDs16869
Obsolete SBDs10512
Obsolete RXNORM MINs0
Obsolete RXNORM INs0
Obsolete RXNORM PINs0
Obsolete RXNORM BNs9926
Obsolete RXNORM DFs59
Editor-suppressed SCDs1701
Editor-suppressed SBDs1368
Distinct SAB=RXNORM NDCs226891