S9401 – Anticoagulation clinic, inclusive of all services except laboratory tests, per session
HCPCS Level II code · S codes: Temporary National Codes (Non-Medicare)
HCPCS codeS9401
- Long description
- Anticoagulation clinic, inclusive of all services except laboratory tests, per session
- Short description
- Anticoag clinic per session
- Pricing indicator
00Not separately priced by Part B (bundled, not covered or Part A only)- Medicare coverage
INot payable by Medicare- BETOS category
Z2Undefined codes- Added
- April 1, 2002
- Last change
- April 1, 2002 – No change
Frequently asked questions
What is HCPCS code S9401?
S9401 is a HCPCS Level II code for anticoagulation clinic, inclusive of all services except laboratory tests, per session.
Does Medicare cover S9401?
The HCPCS file lists coverage code I: Not payable by Medicare. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby S codes
- S9372 – Home therapy; intermittent anticoagulant injection therapy (e.g., heparin); administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem (do not use this code for flushing of infusion devices with heparin to maintain patency)
- S9373 – 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)
- S9374 – Home infusion therapy, hydration therapy; one liter per day, administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem
- S9375 – Home infusion therapy, hydration therapy; 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 (drugs and nursing visits coded separately), per diem
- S9376 – Home infusion therapy, hydration therapy; more than two liters but no more than three liters per day, administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem
- S9377 – Home infusion therapy, hydration therapy; more than three liters per day, administrative services, professional pharmacy services, care coordination, and all necessary supplies (drugs and nursing visits coded separately), per diem
- S9379 – Home infusion therapy, infusion therapy, not otherwise classified; administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem
- S9381 – Delivery or service to high risk areas requiring escort or extra protection, per visit
- S9430 – Pharmacy compounding and dispensing services
- S9432 – Medical foods for non-inborn errors of metabolism
- S9433 – Medical food nutritionally complete, administered orally, providing 100% of nutritional intake
- S9434 – Modified solid food supplements for inborn errors of metabolism
- S9435 – Medical foods for inborn errors of metabolism
- S9436 – Childbirth preparation/lamaze classes, non-physician provider, per session
- S9437 – Childbirth refresher classes, non-physician provider, per session
- S9438 – Cesarean birth classes, non-physician provider, per session
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.