S9373 HCPCS Level II code: Home infusion therapy, hydration therapy; administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment…
S9373 is the HCPCS code for “Home infusion therapy, hydration therapy; administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded…” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
S9373Home infusion therapy, hydration therapy; administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem (do not use with hydration therapy codes s9374-s9377 using daily volume scales)
Short description: Hit hydra total diem
HCPCS · United States
Notes for S9373
As CMS prints them, with any note S9373 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 S9373 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 S9373 sits
- 1S codesTemporary national codes (non-Medicare)
- 2Active code S9373Home infusion therapy, hydration therapy; administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem (do not use with hydration therapy codes s9374-s9377 using daily volume scales)
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 S9373 mean?
S9373 is the HCPCS code for “Home infusion therapy, hydration therapy; administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem (do not use with hydration therapy codes s9374-s9377 using daily volume scales)” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover S9373?
CMS lists S9373’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 S9373
All S codesS9365Home infusion therapy, total parenteral nutrition (tpn); one liter per day, administrative services, professional pharmacy services, care coordination, and all necessary supplies…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…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…S9374Home infusion therapy, hydration therapy; one liter per day, administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment…S9375Home infusion therapy, hydration therapy; more than one liter but no more than two liters per day, administrative services, professional pharmacy services, care coordination, and…S9376Home infusion therapy, hydration therapy; more than two liters but no more than three liters per day, administrative services, professional pharmacy services, care coordination…S9377Home infusion therapy, hydration therapy; more than three liters per day, administrative services, professional pharmacy services, care coordination, and all necessary supplies…S9379Home infusion therapy, infusion therapy, not otherwise classified; administrative services, professional pharmacy services, care coordination, and all necessary supplies and…S9381Delivery or service to high risk areas requiring escort or extra protection, per visit