This variable is contained in the following files: Home Health Agency (Fee-for-Service), Hospice (Fee-for-Service), Inpatient (Fee-for-Service), Outpatient (Fee-for-Service), Skilled Nursing Facility (Fee-for-Service), Home Health Agency (Encounter, Preliminary File), Inpatient File (Encounter, Preliminary File), Outpatient (Encounter, Preliminary File), Skilled Nursing Facility (Encounter, Preliminary File), Home Health Agency (Encounter, Final File), Inpatient File (Encounter, Final File), Outpatient (Encounter, Final File), Skilled Nursing Facility (Encounter, Final File)