This variable is contained in the following files: Carrier (Encounter, Preliminary File), Durable Medical Equipment (Encounter, Preliminary File), Home Health Agency (Encounter, Preliminary File), Inpatient File (Encounter, Preliminary File), Outpatient (Encounter, Preliminary File), Skilled Nursing Facility (Encounter, Preliminary File), Carrier (Encounter, Final File), Durable Medical Equipment (Encounter, Final File), Home Health Agency (Encounter, Final File), Inpatient File (Encounter, Final File), Outpatient (Encounter, Final File), Skilled Nursing Facility (Encounter, Final File), TAF Inpatient File, TAF Long Term Care File, TAF Other Services File, TAF Pharmacy File