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Unified Medical Language System® (UMLS®)

RxNorm Release Notes

February Release - 02/06/2017

This release of RxNorm is consistent with the 2016AB 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
Anatomical Therapeutic Chemical Classification System ATC ATC_2017
DrugBank DRUGBANK DRUGBANK5.0_2016_12_29
Gold Standard Drug Database GS GS_2017_01_05
Medi-Span Master Drug Data Base MDDB MDDB_2016_12_28
Multum MediSource Lexicon MMSL MMSL_2017_01_01
Micromedex RED BOOK MMX MMX_2017_01_09
FDA Structured Product Labels MTHSPL MTHSPL_2017_01_30
FDB MedKnowledge (formerly NDDF Plus) NDDF NDDF_2017_01_04
Veterans Health Administration National Drug File - Reference Terminology NDFRT NDFRT_2017_02_06
Veterans Health Administration National Drug File VANDF VANDF_2016_12_27


The following sources have not been updated in this release:

Source NameSABVersion
CMS Formulary Reference File MTHCMSFRF MTHCMSFRF_2014
Medical Subject Headings (MeSH) MSH MSH2017_2016_08_12
US Edition of SNOMED CT (drug information) SNOMEDCT_US SNOMEDCT_US_2016_07_31

Data Changes

This release includes many changes to dose forms for injectable products as part of the ongoing prescribable names (TTY=PSN) work.

Data Counts

Term Type or AttributeNumber
Active GPCKs369
Active BPCKs430
Active SCDs18742
Active SBDs10493
Active RXNORM MINs3972
Active RXNORM INs11253
Active RXNORM PINs2625
Active RXNORM BNs6144
Active RXNORM DFs115
Obsolete GPCKs149
Obsolete BPCKs131
Obsolete SCDs16264
Obsolete SBDs10323
Obsolete RXNORM MINs0
Obsolete RXNORM INs0
Obsolete RXNORM PINs0
Obsolete RXNORM BNs9799
Obsolete RXNORM DFs59
Editor-suppressed SCDs1631
Editor-suppressed SBDs1320
Source-asserted NDCs1244670
Distinct source-asserted NDCs588061
Distinct SAB=RXNORM NDCs222460

Last Reviewed: February 6, 2017