Place of Service Codes

The following place of service codes apply when filing claims for physicians:

POS Description

11 Office
12 Home
21 Inpatient Hospital
22 Outpatient Hospital
23 Emergency Room – Hospital
24 Ambulatory Surgical Center
25 Birthing Center
26 Military Treatment Facility
31 Skilled Nursing Facility or Nursing Facility
32 Nursing Facility
33 Custodial Care Facility
34 Hospice
41 Ambulance – Land
42 Ambulance – Air or water
51 Inpatient Psychiatric Facility
52 Psy. Fac. Partial Hospitalization
53 Community Mental Health Center
54 Intermediate Care Fac./Mentally Retarded
55 Residential Substance Abuse Treatment Facility
56 Psychiatric Residential Treatment Center
61 Comprehensive Inpatient Rehabilitation Facility
62 Comprehensive Outpatient Rehabilitation Facility
65 End Stage Renal Disease Treatment Facility
71 State or Local Public Health Clinic
72 Rural Health Clinic