S9401 – Anticoagulation clinic, inclusive of all services except laboratory tests, per session

HCPCS Level II code · S codes: Temporary National Codes (Non-Medicare)

Active code Not payable by Medicare

HCPCS codeS9401
Long description
Anticoagulation clinic, inclusive of all services except laboratory tests, per session
Short description
Anticoag clinic per session
Pricing indicator
00 Not separately priced by Part B (bundled, not covered or Part A only)
Medicare coverage
I Not payable by Medicare
BETOS category
Z2 Undefined 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

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.