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Unified Medical Language System® (UMLS®)

RxNorm Release Notes

December Release - 12/02/2013

This release of RxNorm is consistent with the 2013AB 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 NameSABDate Updated
Gold Standard Drug Database GS 11/01/2013
Medi-Span Master Drug Data Base MDDB 10/30/2013
Multum MediSource Lexicon MMSL 11/01/2013
Micromedex RED BOOK MMX 10/28/2013
Medical Subject Headings (MeSH) MSH 08/19/2013
FDA Structured Product Labels MTHSPL 11/22/2013
FDB MedKnowledge (formerly NDDF Plus) NDDF 11/06/2013
Veterans Health Administration National Drug File VANDF 10/31/2013

 

The following sources have not been updated in this release:

Source NameSABDate Updated
Anatomical Therapeutic Chemical Classification System ATC 2013
FDA National Drug Code Directory MTHFDA 06/01/2011
Veterans Health Administration National Drug File - Reference Terminology NDFRT 11/04/2013
US Edition of SNOMED CT (drug information) SNOMEDCT_US 07/31/2013

Data Changes

There are no significant data changes in this release.

Data Counts

Term Type or AttributeNumber
Active GPCK forms 333
Active BPCK forms 410
Active SCD forms 20,168
Active SBD forms 10,622
Active RXNORM MIN atoms 3,863
Active RXNORM IN atoms 9,412
Active RXNORM PIN atoms 2,209
Active RXNORM BN atoms 6,662
Active RXNORM DF atoms 104
   
Obsolete GPCK forms 125
Obsolete BPCK forms 106
Obsolete SCD forms 13,871
Obsolete SBD forms 10,263
Obsolete RXNORM MIN atoms 0
Obsolete RXNORM IN atoms 0
Obsolete RXNORM PIN atoms 0
Obsolete RXNORM BN atoms 9,218
Obsolete RXNORM DF atoms 51
Editor-suppressed SCD forms 1,124
Editor-suppressed SBD forms 903
OCD atoms 313,759
   
Source-asserted NDC codes 1,266,128
Distinct Source-asserted NDC codes 569,545
SAB=RXNORM NDC codes 194,129
Distinct SAB=RXNORM NDC codes 194,129