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Unified Medical Language System® (UMLS®)

RxNorm Release Notes

October Release - 10/04/2010

This release of RxNorm is consistent with the 2010AA UMLS Metathesaurus release. For additional information about RxNorm releases, including scripts for loading the RxNorm data into Oracle and MySQL databases, read the RxNorm Documentation.

Sources

The following sources have been updated since the previous RxNorm release:

Source NameSABDate Updated
Gold Standard Alchemy GS 09/06/2010
Medi-Span Master Drug Data Base MDDB 09/01/2010
Multum MediSource Lexicon MMSL 09/01/2010
Micromedex DRUGDEX MMX 09/07/2010
FDA National Drug Code Directory MTHFDA 09/01/2010
FDA Structured Product Labels MTHSPL 09/27/2010
First DataBank NDDF Plus Source Vocabulary NDDF 09/03/2010
Veterans Health Administration National Drug File - Reference Terminology NDFRT 10/04/2010
Veterans Health Administration National Drug File VANDF 08/26/2010

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

Source NameSABDate Updated
Medical Subject Headings (MeSH) MSH 08/17/2009
SNOMED Clinical Terms (drug information) SNOMEDCT 07/31/2010

Data Changes

There are no significant data changes for this release.

Data Counts

Term Type or AttributeNumber
Active GPCK forms 287
Active BPCK forms 372
Active SCD forms 19,102
Active SBD forms 15,622
Active RXNORM MIN atoms 3,561
Active RXNORM IN atoms 4,942
Active RXNORM PIN atoms 1,537
Active RXNORM BN atoms 14,107
Active RXNORM DF atoms 100
   
Obsolete GPCK forms 45
Obsolete BPCK forms 12
Obsolete SCD forms 13,105
Obsolete SBD forms 4,113
Obsolete RXNORM MIN atoms 0
Obsolete RXNORM IN atoms 0
Obsolete RXNORM PIN atoms 0
Obsolete RXNORM BN atoms 0
Obsolete RXNORM DF atoms 55
OCD atoms 265,041
   
Source-asserted NDC codes 577,585
Distinct Source-asserted NDC codes 345,707
SAB=RXNORM NDC codes 294,867
Distinct SAB=RXNORM NDC codes 294,867