S9366 HCPCS Level II code: Home infusion therapy, total parenteral nutrition (tpn); more than one liter but no more than two liters per day, administrative services, professional…
S9366 is the HCPCS code for “Home infusion therapy, total parenteral nutrition (tpn); more than one liter but no more than two liters per day, administrative services, professional pharmacy services, care coordination, and all…” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
S9366Home infusion therapy, total parenteral nutrition (tpn); more than one liter but no more than two liters per day, administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment including standard tpn formula (lipids, specialty amino acid formulas, drugs other than in standard formula and nursing visits coded separately), per diem
Short description: Hit tpn 2 liter diem
HCPCS · United States
Notes for S9366
As CMS prints them, with any note S9366 takes from the headings above it.
Note
- CMS processing note 0088: "S" CODES ARE UNIQUE TEMPORARY CODES ESTABLISHED BY BCBSA AND HIAA FOR PRIVATE PAYOR USE. THEY ARE NOT VALID NOR PAYABLE BY MEDICARE.
Medicare details
The indicators CMS publishes with S9366 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Not payable by Medicare
- Medicare pricing
- Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
- Type of service
- Other medical items or services
- BETOS category
- Undefined codes
- Added
- Jan 1, 2002
Where S9366 sits
- 1S codesTemporary national codes (non-Medicare)
- 2Active code S9366Home infusion therapy, total parenteral nutrition (tpn); more than one liter but no more than two liters per day, administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment including standard tpn formula (lipids, specialty amino acid formulas, drugs other than in standard formula and nursing visits coded separately), per diem
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code S9366 mean?
S9366 is the HCPCS code for “Home infusion therapy, total parenteral nutrition (tpn); more than one liter but no more than two liters per day, administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment including standard tpn formula (lipids, specialty amino acid formulas, drugs other than in standard formula and nursing visits coded separately), per diem” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover S9366?
CMS lists S9366’s Medicare coverage as “Not payable by Medicare” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside S9366
All S codesS9357Home infusion therapy, enzyme replacement intravenous therapy; (e.g., imiglucerase); administrative services, professional pharmacy services, care coordination, and all necessary…S9359Home infusion therapy, anti-tumor necrosis factor intravenous therapy; (e.g., infliximab); administrative services, professional pharmacy services, care coordination, and all…S9361Home infusion therapy, diuretic intravenous therapy; administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs…S9363Home infusion therapy, anti-spasmotic therapy; administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and…S9364Home infusion therapy, total parenteral nutrition (tpn); administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment…S9365Home infusion therapy, total parenteral nutrition (tpn); one liter per day, administrative services, professional pharmacy services, care coordination, and all necessary supplies…S9367Home infusion therapy, total parenteral nutrition (tpn); more than two liters but no more than three liters per day, administrative services, professional pharmacy services, care…S9368Home infusion therapy, total parenteral nutrition (tpn); more than three liters per day, administrative services, professional pharmacy services, care coordination, and all…S9370Home therapy, intermittent anti-emetic injection therapy; administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment…S9372Home therapy; intermittent anticoagulant injection therapy (e.g., heparin); administrative services, professional pharmacy services, care coordination, and all necessary supplies…S9373Home infusion therapy, hydration therapy; administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing…S9374Home infusion therapy, hydration therapy; one liter per day, administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment…