March Release - 03/01/2010

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	02/02/2010
Medi-Span Master Drug Data Base	MDDB	02/03/2010
Multum MediSource Lexicon	MMSL	02/01/2010
Micromedex DRUGDEX	MMX	02/01/2010
FDA National Drug Code Directory	MTHFDA	02/01/2010
FDA Structured Product Labels	MTHSPL	02/22/2010
First DataBank NDDF Plus Source Vocabulary	NDDF	02/05/2010
SNOMED Clinical Terms (drug information)	SNOMED CT	01/31/2010
Veterans Health Administration National Drug File	VANDF	01/25/2010

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

Data Changes

There are no significant data changes for this release. 

Data Counts

Term Type or Attribute	Number
Active GPCK forms	275
Active BPCK forms	349
Active SCD forms	18,955
Active SBD forms	15,527
Active RXNORM IN atoms	4,763
Active RXNORM PIN atoms	1,517
Active RXNORM BN atoms	13,587
Active RXNORM DF atoms	101
Obsolete GPCK forms	34
Obsolete BPCK forms	15
Obsolete SCD forms	12,431
Obsolete SBD forms	4,005
Obsolete RXNORM IN atoms	0
Obsolete RXNORM PIN atoms	0
Obsolete RXNORM BN atoms	0
Obsolete RXNORM DF atoms	54
OCD atoms	257,547
Source-asserted NDC codes	544,413
Distinct Source-asserted NDC codes	337,086
SAB=RXNORM NDC codes	282,024
Distinct SAB=RXNORM NDC codes	282,024

Last Reviewed: March 1, 2010