This is the CodeSystem that contains all the codes in IHE Pharmaceutical Advice Status List (urn:oid:1.3.6.1.4.1.19376.1.9.2.1) and IHE Pharmaceutical Advice Status List (urn:oid:1.3.6.1.4.1.19376.1.9.2.1). E.g. what you have to deal with if you get resources containing codes in either of them