S9401 HCPCS Level II code: Anticoagulation clinic, inclusive of all services except laboratory tests, per session
S9401 is the HCPCS code for “Anticoagulation clinic, inclusive of all services except laboratory tests, per session” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
S9401Anticoagulation clinic, inclusive of all services except laboratory tests, per session
Short description: Anticoag clinic per session
HCPCS · United States
Medicare details
The indicators CMS publishes with S9401 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
- Apr 1, 2002
Where S9401 sits
- 1S codesTemporary national codes (non-Medicare)
- 2Active code S9401Anticoagulation clinic, inclusive of all services except laboratory tests, per session
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 S9401 mean?
S9401 is the HCPCS code for “Anticoagulation clinic, inclusive of all services except laboratory tests, per session” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover S9401?
CMS lists S9401’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 S9401
All S codesS9374Home 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 visitS9430Pharmacy compounding and dispensing servicesS9432Medical foods for non-inborn errors of metabolismS9433Medical food nutritionally complete, administered orally, providing 100% of nutritional intakeS9434Modified solid food supplements for inborn errors of metabolismS9435Medical foods for inborn errors of metabolismS9436Childbirth preparation/lamaze classes, non-physician provider, per session