This variable is contained in the following files: Carrier (Fee-for-Service), Durable Medical Equipment (Fee-for-Service), Carrier (Encounter, Preliminary File), Durable Medical Equipment (Encounter, Preliminary File), Carrier (Encounter, Final File), Durable Medical Equipment (Encounter, Final File), TAF Inpatient File, TAF Long Term Care File, TAF Other Services File, TAF Pharmacy File