March Release - 03/05/2012

This release of RxNorm is consistent with the 2011AB 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.

Sources

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

Source Name	SAB	Date Updated
Gold Standard Drug Database	GS	02/06/2012
Medi-Span Master Drug Data Base	MDDB	02/08/2012
Multum MediSource Lexicon	MMSL	02/01/2012
Micromedex RED BOOK	MMX	02/06/2012
FDA Structured Product Labels	MTHSPL	02/24/2012
First DataBank NDDF Plus Source Vocabulary	NDDF	02/08/2012
Veterans Health Administration National Drug File - Reference Terminology	NDFRT	03/05/2012
SNOMED Clinical Terms (drug information)	SNOMEDCT	01/31/2012
Veterans Health Administration National Drug File	VANDF	01/23/2012

 

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

Source Name	SAB	Date Updated
Medical Subject Headings (MeSH)	MSH	09/09/2011
FDA National Drug Code Directory	MTHFDA	06/01/2011

 

Data Changes

There are no significant data changes for this release.

Data Counts

Term Type or Attribute	Number
Active GPCK forms	319
Active BPCK forms	402
Active SCD forms	20,684
Active SBD forms	17,158
Active RXNORM MIN atoms	3,734
Active RXNORM IN atoms	5,017
Active RXNORM PIN atoms	1,570
Active RXNORM BN atoms	15,685
Active RXNORM DF atoms	101
Obsolete GPCK forms	72
Obsolete BPCK forms	41
Obsolete SCD forms	13,041
Obsolete SBD forms	3,853
Obsolete RXNORM MIN atoms	0
Obsolete RXNORM IN atoms	0
Obsolete RXNORM PIN atoms	0
Obsolete RXNORM BN atoms	0
Obsolete RXNORM DF atoms	54
OCD atoms	295,942
Source-asserted NDC codes	1,054,349
Distinct Source-asserted NDC codes	495,847
SAB=RXNORM NDC codes	259,096
Distinct SAB=RXNORM NDC codes	259,096

Last Reviewed: April 23, 2012