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Unified Medical Language System® (UMLS®)

RxNorm Release Notes

July Release - 07/05/2016

This release of RxNorm is consistent with the 2016AA 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
Gold Standard Drug Database GS GS_2016_06_07
Medi-Span Master Drug Data Base MDDB MDDB_2016_06_01
Multum MediSource Lexicon MMSL MMSL_2016_06_01
Micromedex RED BOOK MMX MMX_2016_06_06
FDA Structured Product Labels MTHSPL MTHSPL_2016_06_23
FDB MedKnowledge (formerly NDDF Plus) NDDF NDDF_2016_06_08
Veterans Health Administration National Drug File - Reference Terminology NDFRT NDFRT_2016_07_05
Veterans Health Administration National Drug File VANDF VANDF_2016_05_18


The following sources have not been updated in this release:

Source NameSABVersion
Anatomical Therapeutic Chemical Classification System ATC ATC_2016
Medical Subject Headings (MeSH) MSH MSH2016_2016_02_26
CMS Formulary Reference File MTHCMSFRF MTHCMSFRF_2014
US Edition of SNOMED CT (drug information) SNOMEDCT_US SNOMEDCT_US_2016_01_31

Data Changes

New Dose Form Added
RxNorm includes a new dose form: Metered Dose Nasal Spray. This dose form replaces the Nasal Inhaler dose form and is defined as a nasal solution intended for use in the nasal cavity delivered by a spray as a measured dose. All drugs previously using the Nasal Inhaler dose form now have the Metered Dose Nasal Spray dose form. This change affects approximately 50 active drugs.

Data Counts

Term Type or AttributeNumber
Active GPCKs366
Active BPCKs411
Active SCDs18778
Active SBDs10666
Active RXNORM MINs3986
Active RXNORM INs10981
Active RXNORM PINs2567
Active RXNORM BNs6371
Active RXNORM DFs117
Obsolete GPCKs144
Obsolete BPCKs129
Obsolete SCDs16244
Obsolete SBDs10117
Obsolete RXNORM MINs0
Obsolete RXNORM INs0
Obsolete RXNORM PINs0
Obsolete RXNORM BNs9506
Obsolete RXNORM DFs55
Editor-suppressed SCDs1517
Editor-suppressed SBDs1306
Source-asserted NDCs1204747
Distinct source-asserted NDCs566968
Distinct SAB=RXNORM NDCs215736

Last Reviewed: July 14, 2016