Table 1 The RxNorm files and the information extracted from each
From: Building a drug ontology based on RxNorm and other sources
File | Extracted information |
|---|---|
RXNSAT.RRF | NDCs and RXCUIs |
RXNCONSO.RRF | SCDFs, SCDs, SBDs, and INs and their RXCUIs |
RXNCUI.RRF | retired RXCUIs with provenance |
RXNCUICHANGES.RRF | RXCUI provenance |
RXNSAB.RRF | RxNorm version information |