This is the ValueSet that contains all the codes in AHA NUBC Revenue Value Set (http://hl7.org/fhir/us/davinci-pas/ValueSet/AHANUBCRevenueCodes) and AHA NUBC Revenue Value Set (http://hl7.org/fhir/us/davinci-pas/ValueSet/AHANUBCRevenueCodes). E.g. what you have to deal with if you get resources containing codes in either of them