M1180 – Patients on immune checkpoint inhibitor therapy

HCPCS Level II code · M codes: Medical Services and Quality Measures

Active code Carrier judgment

HCPCS codeM1180
Long description
Patients on immune checkpoint inhibitor therapy
Short description
Pt imm ckpt inhib therapy
Pricing indicator
00 Not separately priced by Part B (bundled, not covered or Part A only)
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
Z2 Undefined codes
Added
January 1, 2023
Last change
January 1, 2023 – No change

Frequently asked questions

What is HCPCS code M1180?

M1180 is a HCPCS Level II code for patients on immune checkpoint inhibitor therapy.

Does Medicare cover M1180?

The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby M codes

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