Place of Service Codes
CMS POS codes used on professional claims to indicate where the service was provided.
Data verified as of September 2026. Lists change periodically. Always confirm current requirements with CMS and the payer. NexLookup is educational reference, not the authoritative source.
| Code | Name | Description |
|---|---|---|
| 01 | Pharmacy | A facility or location where drugs and other medically related items and services are sold, dispensed, or otherwise provided directly to pat… |
| 02 | Telehealth Provided Other than in Patient's Home | The location where health services and health related services are provided or received, through telecommunication technology. Patient is no… |
| 03 | School | A facility whose primary purpose is education. |
| 04 | Homeless Shelter | A facility or location whose primary purpose is to provide temporary housing to homeless individuals. |
| 05 | Indian Health Service Free-standing Facility | A facility or location, owned and operated by the Indian Health Service, which provides diagnostic, therapeutic, and rehabilitation services… |
| 06 | Indian Health Service Provider-based Facility | A facility or location, owned and operated by the Indian Health Service, which provides diagnostic, therapeutic, and rehabilitation services… |
| 07 | Tribal 638 Free-standing Facility | A facility or location owned and operated by a federally recognized American Indian or Alaska Native tribe or tribal organization under a 63… |
| 08 | Tribal 638 Provider-based Facility | A facility or location owned and operated by a federally recognized American Indian or Alaska Native tribe or tribal organization under a 63… |
| 09 | Prison/Correctional Facility | A prison, jail, reformatory, work farm, detention center, or any other similar facility maintained by federal, state or local authorities fo… |
| 10 | Telehealth Provided in Patient's Home | The location where health services and health related services are provided or received through telecommunication technology. Patient is loc… |
| 11 | Office | Location, other than a hospital, skilled nursing facility, military treatment facility, community health center, State or local public healt… |
| 12 | Home | Location, other than a hospital or other facility, where the patient receives care in a private residence. |
| 13 | Assisted Living Facility | Congregate residential facility with self-contained living units providing assessment of each resident's needs and on-site support 24 hours … |
| 14 | Group Home | A residence, with shared living areas, where clients receive supervision and other services such as social and/or behavioral services, custo… |
| 15 | Mobile Unit | A facility/unit that moves from place to place equipped to provide preventive, screening, diagnostic, and/or treatment services. |
| 16 | Temporary Lodging | A short-term accommodation such as a hotel, camp ground, hostel, or cruise ship where the patient receives care. |
| 17 | Walk-in Retail Health Clinic | A walk-in health clinic, other than an office, urgent care facility, pharmacy or independent clinic, not operated as part of a hospital, tha… |
| 18 | Place of Employment-Worksite | A location, not described by any other POS code, where health professionals provide preventive, therapeutic, or medical care services to emp… |
| 19 | Off Campus-Outpatient Hospital | A portion of an off-campus hospital provider-based department which provides diagnostic, therapeutic, and rehabilitation services to sick or… |
| 20 | Urgent Care Facility | Location, distinct from a hospital emergency room, an office, or a clinic, whose purpose is to diagnose and treat illness or injury for unsc… |
| 21 | Inpatient Hospital | A facility, other than psychiatric, which primarily provides diagnostic, therapeutic, and rehabilitation services by or under the supervisio… |
| 22 | On Campus-Outpatient Hospital | A portion of a hospital's main campus which provides diagnostic, therapeutic, and rehabilitation services to sick or injured persons who do … |
| 23 | Emergency Room – Hospital | A portion of a hospital where emergency diagnosis and treatment of illness or injury is provided. |
| 24 | Ambulatory Surgical Center | A freestanding facility, other than a physician's office, where surgical and diagnostic services are provided on an ambulatory basis. |
| 25 | Birthing Center | A facility, other than a hospital's maternity facilities or a physician's office, which provides a setting for labor, delivery, and immediat… |
| 26 | Military Treatment Facility | A medical facility operated by one of the Uniformed Services. |
| 27 | Outreach Site/Street | A non-permanent location on the street or found environment, not described by any other POS code, where health professionals provide prevent… |
| 31 | Skilled Nursing Facility | A facility that primarily provides inpatient skilled nursing care and related services to patients who require medical, nursing, or rehabili… |
| 32 | Nursing Facility | A facility which primarily provides inpatient skilled nursing care and related services to patients who do not require the level of care ava… |
| 33 | Custodial Care Facility | A facility which provides room, board and other personal assistance services, generally on a long-term basis, and which does not include a m… |
| 34 | Hospice | A facility, other than a patient's home, in which palliative and supportive care for terminally ill patients and their families are provided… |
| 41 | Ambulance - Land | A land vehicle specifically designed, equipped and staffed for lifesaving and transporting the sick or injured. |
| 42 | Ambulance – Air or Water | An air or water vehicle specifically designed, equipped and staffed for lifesaving and transporting the sick or injured. |
| 49 | Independent Clinic | A location, not part of a hospital and not described by any other Place of Service code, that is organized and operated to provide preventiv… |
| 50 | Federally Qualified Health Center | A facility located in a medically underserved area that provides Medicare beneficiaries preventive primary medical care under the general di… |
| 51 | Inpatient Psychiatric Facility | A facility that provides inpatient psychiatric services for the diagnosis and treatment of mental illness on a 24-hour basis, by or under th… |
| 52 | Psychiatric Facility-Partial Hospitalization | A facility for the diagnosis and treatment of mental illness that provides a planned therapeutic program for patients who do not require ful… |
| 53 | Community Mental Health Center | A facility that provides comprehensive mental health services on an ambulatory basis. |
| 54 | Intermediate Care Facility/Individuals with Intellectual Disabilities | A facility which primarily provides health-related care and services above the level of custodial care to individuals with intellectual disa… |
| 55 | Residential Substance Abuse Treatment Facility | A facility which provides treatment for substance abuse to live-in residents who do not require acute medical care. |
| 56 | Psychiatric Residential Treatment Center | A facility other than a hospital, that provides psychiatric services to residents under 21 on an inpatient basis. |
| 57 | Non-residential Substance Abuse Treatment Facility | A location which provides treatment for substance abuse on an ambulatory basis. |
| 58 | Non-residential Opioid Treatment Facility | A location that provides treatment for opioid use disorder on an ambulatory basis. |
| 60 | Mass Immunization Center | A location where providers administer pneumococcal pneumonia and influenza virus vaccination and submit these services as electronic media c… |
| 61 | Comprehensive Inpatient Rehabilitation Facility | A facility that provides comprehensive rehabilitation services under the supervision of a physician to inpatients with physical disabilities… |
| 62 | Comprehensive Outpatient Rehabilitation Facility | A facility that provides comprehensive rehabilitation services under the supervision of a physician to outpatients with physical disabilitie… |
| 65 | End-Stage Renal Disease Treatment Facility | A facility other than a hospital, which provides dialysis treatment, maintenance, and/or training to patients or caregivers on an ambulatory… |
| 66 | Programs of All-Inclusive Care for the Elderly (PACE) Center | A facility operated by a PACE organization providing primary, specialty, social, and other services. |
| 71 | Public Health Clinic | A facility maintained by a State or local health department for the diagnosis and treatment of ambulatory patients. |
| 72 | Rural Health Clinic | A certified facility located in a rural medically underserved area that provides ambulatory primary medical care under the general direction… |
| 81 | Independent Laboratory | A laboratory certified to perform diagnostic and/or clinical tests independent of an institution or physician's office. |
| 99 | Other Place of Service | Other place of service not identified above. |