Place of Service Codes for Therapy Billing
Place of Service (POS) codes are two-digit codes on the CMS-1500 claim form that indicate where a healthcare service was delivered. Selecting the correct POS code is essential for accurate reimbursement — especially for telehealth, facility-based, and community care settings. Browse the 15 most common POS codes used in mental health billing below.
Telehealth - Other than Patient's Home
POS 02 indicates a telehealth service where the patient is located somewhere other than their own residence — such as a hotel, employer site, school, or any location that is not their permanent home.
Telehealth - Patient's Home
POS 10 designates a telehealth service where the patient is located at their own home.
Office
POS 11 is the standard in-person therapy office setting — a location other than a hospital, long-term care facility, or patient's home where a therapist regularly sees clients.
Home
POS 12 identifies services rendered in the patient's own residence when the provider physically travels to the patient's home to deliver care in person.
Assisted Living Facility
POS 13 designates therapy services provided within an assisted living facility (ALF) where the patient resides.
Group Home
POS 14 is used for therapy services provided in a group home — a supervised residential setting serving individuals with intellectual/developmental disabilities, mental health conditions, or substance use disorders.
On Campus-Outpatient Hospital
POS 22 designates outpatient services rendered in a facility that is on the physical campus of a hospital but operates as an outpatient department.
Emergency Room - Hospital
POS 23 identifies services provided in a hospital emergency room.
Independent Clinic
POS 49 designates a freestanding outpatient clinic that is not part of a hospital system.
Psychiatric Facility - Partial Hospitalization
POS 52 is used for services rendered in a psychiatric partial hospitalization program (PHP) or intensive outpatient program (IOP) setting.
Community Mental Health Center
POS 53 designates services provided at a Community Mental Health Center (CMHC) — a facility that delivers mental health care to a defined geographic area, often serving Medicaid and uninsured populations.
Non-residential Substance Abuse Treatment Facility
POS 57 identifies an outpatient substance use disorder (SUD) treatment facility that does not provide residential care.
End Stage Renal Disease Treatment Facility
POS 65 designates a facility specializing in end-stage renal disease (ESRD) treatment, such as a dialysis center.
Public Health Clinic
POS 71 is used for services rendered in a public health clinic — a facility maintained by a state, county, or municipal health department providing preventive and primary care services to the general public.
Rural Health Clinic
POS 72 designates a Rural Health Clinic (RHC) — a CMS-certified clinic located in a federally designated rural and medically underserved area.
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