This is the ValueSet that contains all the codes in NHI-健保事前審查-藥物類型值集 (https://nhicore.nhi.gov.tw/pas/ValueSet/nhi-drug-category) and NHI-健保事前審查-藥物類型值集 (https://nhicore.nhi.gov.tw/pas/ValueSet/nhi-drug-category). E.g. what you have to deal with if you get resources containing codes in either of them