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Unified Medical Language System® (UMLS®)

RxNorm Current Prescribable Content Release Notes

December Release - 12/05/2011

This RxNorm Current Prescribable Content release 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 Documentation.

Data Changes

This release of the Current Prescribable Subset contains Unified Medical Language System (UMLS) unique identifiers consistent with the 2011AB UMLS release files.

Data Counts

Term Type or AttributeNumber
Active GPCK forms 284
Active BPCK forms 358
Active SCD forms 15,779
Active SBD forms 10,191
Active RXNORM MIN atoms 1,518
Active RXNORM IN atoms 2,993
Active RXNORM PIN atoms 425
Active RXNORM BN atoms 6,315
Active RXNORM DF atoms 98
SAB=RXNORM NDC codes 237,227
Distinct SAB=RXNORM NDC codes 237,227

Last Reviewed: December 5, 2011