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Unified Medical Language System® (UMLS®)

RxNorm Release Notes

July Release - 7/01/2019

This release of RxNorm is consistent with the 2019AA 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 with version names in bold have been updated since the previous RxNorm release:

Source NameSABVersion
DrugBank DRUGBANK DRUGBANK5.0_2019_05_31
Gold Standard Drug Database GS GS_2019_06_04
Multum MediSource Lexicon MMSL MMSL_2019_06_01
Micromedex RED BOOK MMX MMX_2019_06_03
FDA Structured Product Labels MTHSPL MTHSPL_2019_06_21
FDB MedKnowledge (formerly NDDF Plus) NDDF NDDF_2019_06_05
RxNorm normalized names and codes RXNORM RXNORM_19AA_190701F
Veterans Health Administration National Drug File VANDF VANDF_2019_05_31

The following sources have not been updated since the previous RxNorm release:

Source NameSABVersion
Anatomical Therapeutic Chemical Classification System ATC ATC_2019
Vaccines Administered CVX CVX_2019_03_21
Medical Subject Headings (MeSH) MSH MSH2019_2019_01_07
CMS Formulary Reference File MTHCMSFRF MTHCMSFRF_2014
US Edition of SNOMED CT (drug information) SNOMEDCT_US SNOMEDCT_US_2019_01_31
USP Compendial Nomenclature USP USP_2018_12_10

*Reminder: As of October 2017, Medi-Span data will not be included in the RxNorm or UMLS releases. If you have questions about Medi-Span, please contact:

Data Changes

New "Vaginal Sponge" Dose Form
The new RxNorm “Vaginal Sponge” dose form is defined as a disposable sponge saturated with a medication to be placed in the vagina, covering the cervix. It is currently used to represent a contraceptive product. This change affects one branded medication concept and its related data graph:

2173508SBDNonoxynol-9 1000 MG Vaginal Sponge [Today Sponge]

Data Counts

Term Type or AttributeNumber
Active GPCKs418
Active BPCKs514
Active SCDs18449
Active SBDs10368
Active RXNORM MINs3815
Active RXNORM INs12287
Active RXNORM PINs2859
Active RXNORM BNs5885
Active RXNORM DFs118
Obsolete GPCKs192
Obsolete BPCKs164
Obsolete SCDs16579
Obsolete SBDs10930
Obsolete RXNORM MINs0
Obsolete RXNORM INs0
Obsolete RXNORM PINs0
Obsolete RXNORM BNs6221
Obsolete RXNORM DFs61
Editor-suppressed SCDs1769
Editor-suppressed SBDs1462
Distinct SAB=RXNORM NDCs254990

Last Reviewed: July 1, 2019