S9131 HCPCS code: Physical therapy; in the home, per diem
S9131 is the HCPCS Level II code for physical therapy; in the home, per diem. Its Medicare coverage code is I (Not payable by Medicare): Medicare does not pay separately under this code; another code applies.
Code details
| Field | Value |
|---|---|
| Section | S codes — Temporary national codes (non-Medicare) |
| Coverage code | I — Not payable by Medicare |
| Pricing indicator | 00 — Not separately priced by Medicare |
| BETOS category | Z2 |
| Added | 2002-01-01 |
| Last action effective | 2002-01-01 |
What changed for S9131
- 2002-01-01: S9131 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code S9131?
S9131 is the HCPCS Level II code for physical therapy; in the home, per diem. Short descriptor: "Pt in the home per diem".
Does Medicare cover S9131?
Coverage code I — Not payable by Medicare. Medicare does not pay separately under this code; another code applies.
Related S91 codes
- S9110 — Telemonitoring of patient in their home, including all necessary equipment; computer system, connections, and software; maintenance; patient education and support; per month
- S9117 — Back school, per visit
- S9122 — Home health aide or certified nurse assistant, providing care in the home; per hour
- S9123 — Nursing care, in the home; by registered nurse, per hour (use for general nursing care only, not to be used when cpt codes 99500-99602 can be used)
- S9124 — Nursing care, in the home; by licensed practical nurse, per hour
- S9125 — Respite care, in the home, per diem
- S9126 — Hospice care, in the home, per diem
- S9127 — Social work visit, in the home, per diem
- S9128 — Speech therapy, in the home, per diem
- S9129 — Occupational therapy, in the home, per diem
- S9140 — Diabetic management program, follow-up visit to non-md provider
- S9141 — Diabetic management program, follow-up visit to md provider
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Next steps
- Run a reimbursement report for a device billed under S9131
- Watch S9131 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for S9131
Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.