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Unified Medical Language System® (UMLS®)

RxNorm Full Monthly Content Release Notes

July Release - 07/02/2018

This release of RxNorm is consistent with the 2018AA 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_06_01
Gold Standard Drug Database GS GS_2018_05_31
Multum MediSource Lexicon MMSL MMSL_2018_06_01
Micromedex RED BOOK MMX MMX_2018_06_04
FDA Structured Product Labels MTHSPL MTHSPL_2018_06_22
FDB MedKnowledge (formerly NDDF Plus) NDDF NDDF_2018_06_06
Veterans Health Administration National Drug File VANDF VANDF_2018_05_30

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_04_30
Medical Subject Headings (MeSH) MSH MSH2018_2018_02_05
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_01_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 GPCKs387
Active BPCKs473
Active SCDs18922
Active SBDs10407
Active RXNORM MINs3979
Active RXNORM INs11872
Active RXNORM PINs2763
Active RXNORM BNs6012
Active RXNORM DFs117
Obsolete GPCKs168
Obsolete BPCKs145
Obsolete SCDs16466
Obsolete SBDs10805
Obsolete RXNORM MINs0
Obsolete RXNORM INs0
Obsolete RXNORM PINs0
Obsolete RXNORM BNs10087
Obsolete RXNORM DFs59
Editor-suppressed SCDs1804
Editor-suppressed SBDs1418
Source-asserted NDCs1354200
Distinct source-asserted NDCs1110151
Distinct SAB=RXNORM NDCs242981

Last Reviewed: July 2, 2018