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Unified Medical Language System® (UMLS®)

RxNorm Current Prescribable Content Release Notes

April Release - 4/01/2019

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

REMINDER: 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 this year. 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 GPCKs300
Active BPCKs435
Active SCDs12369
Active SBDs8011
Active RXNORM MINs1093
Active RXNORM INs5516
Active RXNORM PINs1532
Active RXNORM BNs4307
Active RXNORM DFs113
Distinct SAB=RXNORM NDCs238828

Last Reviewed: April 1, 2019