February Release - 02/01/2010

This release of RxNorm is consistent with the 2009AB 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 Name	SAB	Date Updated
Gold Standard Alchemy	GS	01/03/2010
Medi-Span Master Drug Data Base	MDDB	01/06/2010
Multum MediSource Lexicon	MMSL	01/01/2010
Micromedex DRUGDEX	MMX	01/04/2010
FDA National Drug Code Directory	MTHFDA	01/04/2010
FDA Structured Product Labels	MTHSPL	01/25/2010
First DataBank NDDF Plus Source Vocabulary	NDDF	01/08/2010
Veterans Health Administration National Drug File	VANDF	01/04/2010

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

Source Name	SAB	Date Updated
Medical Subject Headings (MeSH)	MSH	08/17/2009
SNOMED Clinical Terms (drug information)	SNOMED CT	07/31/2009

Data Changes

There are no significant data changes for this release. 

Data Counts

Term Type or Attribute	Number
Active GPCK forms	276
Active BPCK forms	347
Active SCD forms	18,505
Active SBD forms	15,433
Active RXNORM IN atoms	4,656
Active RXNORM PIN atoms	1,517
Active RXNORM BN atoms	13,524
Active RXNORM DF atoms	100
Obsolete GPCK forms	32
Obsolete BPCK forms	14
Obsolete SCD forms	12,401
Obsolete SBD forms	4,011
Obsolete RXNORM IN atoms	0
Obsolete RXNORM PIN atoms	0
Obsolete RXNORM BN atoms	0
Obsolete RXNORM DF atoms	55
OCD atoms	256,614
Source-asserted NDC codes	541,081
Distinct Source-asserted NDC codes	336,273
SAB=RXNORM NDC codes	279,432
Distinct SAB=RXNORM NDC codes	279,432

Last Reviewed: February 7, 2011