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Unified Medical Language System® (UMLS®)

RxNorm Current Prescribable Content Release Notes

March Release - 3/04/2019

This RxNorm Current Prescribable Content release is consistent with the 2018AB 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.

Data Changes

Eliminating Two Weekly Releases
RxNorm will be eliminating 2 weekly releases beginning in 2019. The May 1, 2019 and October 30, 2019 weekly releases will not be created in 2019. The two eliminated weekly releases will immediately precede the full May and November monthly releases moving forward. Please note that there will now be 50 RxNorm weekly releases instead of 52.

Data Counts

Term Type or AttributeNumber
Active GPCKs295
Active BPCKs431
Active SCDs12370
Active SBDs8013
Active RXNORM MINs1093
Active RXNORM INs5494
Active RXNORM PINs1531
Active RXNORM BNs4312
Active RXNORM DFs113
Distinct SAB=RXNORM NDCs237213

Last Reviewed: March 4, 2019