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Unified Medical Language System® (UMLS®)

RxNorm Full Monthly Content Release Notes

November Release - 11/05/2018

This release of RxNorm is consistent with the 2018AB 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_2018_09_26
Gold Standard Drug Database GS GS_2018_09_26
Multum MediSource Lexicon MMSL MMSL_2018_10_01
Micromedex RED BOOK MMX MMX_2018_09_24
Medical Subject Headings (MeSH) MSH MSH2018_2018_02_05
FDA Structured Product Labels MTHSPL MTHSPL_2018_10_26
FDB MedKnowledge (formerly NDDF Plus) NDDF NDDF_2018_09_26
RxNorm normalized names and codes RXNORM RXNORM_18AB_181105F
USP Compendial Nomenclature USP USP_2018_10_25
Veterans Health Administration National Drug File VANDF VANDF_2018_10_03

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

Source NameSABVersion
Anatomical Therapeutic Chemical Classification System ATC ATC_2018
Vaccines Administered CVX CVX_2018_09_12
CMS Formulary Reference File MTHCMSFRF MTHCMSFRF_2014
Veterans Health Administration National Drug File - Reference Terminology NDFRT NDFRT_2018_02_05
US Edition of SNOMED CT (drug information) SNOMEDCT_US SNOMEDCT_US_2018_07_31

*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 Counts

Term Type or AttributeNumber
Active GPCKs393
Active BPCKs482
Active SCDs18233
Active SBDs10404
Active RXNORM MINs3991
Active RXNORM INs12049
Active RXNORM PINs2803
Active RXNORM BNs5973
Active RXNORM DFs117
Obsolete GPCKs181
Obsolete BPCKs153
Obsolete SCDs17535
Obsolete SBDs10988
Obsolete RXNORM MINs0
Obsolete RXNORM INs0
Obsolete RXNORM PINs0
Obsolete RXNORM BNs6180
Obsolete RXNORM DFs59
Editor-suppressed SCDs1696
Editor-suppressed SBDs1437
Distinct SAB=RXNORM NDCs249647

Last Reviewed: November 5, 2018