Mapping concepts in the inputevents table to RxNorm: Inconsistencies in [itemid]

[a-chahin]

We observed multiple inconsistencies in [itemid] in the inputevents table.

• labels repeated with different [itemid]. Dexmedetomidine [label] has a category description of Continuous Med [ordercategorydescription] is listed twice with the [itemid] 229420 and twice with the [itemid] 225150
• labels with different categories [ordercategorydescription] listed with the same [itemid]. Vancomycin [label] is listed as Drug Push and Non Iv Meds [ordercategorydescription] with the same [itemid] 225798. However, Epinephrine , [itemid] 221289, and Epinephrine. (With a dot at the end), [itemid] 229617, have different [itemid] because one is Continuous Med [ordercategorydescription] and the other is Drug Push [ordercategorydescription]