Union of http://terminology.hl7.org/ValueSet/v3-xActBillableCode and http://terminology.hl7.org/ValueSet/v3-xActBillableCode

This is the ValueSet that contains all the codes in x_ActBillableCode (http://terminology.hl7.org/ValueSet/v3-xActBillableCode) and x_ActBillableCode (http://terminology.hl7.org/ValueSet/v3-xActBillableCode). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem