This is the ValueSet that contains all the codes in NCPDP Brand Generic Indicator Value Set (http://hl7.org/fhir/us/carin-bb/ValueSet/NCPDPBrandGenericIndicator) and NCPDP Brand Generic Indicator Value Set (http://hl7.org/fhir/us/carin-bb/ValueSet/NCPDPBrandGenericIndicator). E.g. what you have to deal with if you get resources containing codes in either of them