M1433 – Patient on oral chemotherapy on or within 30 days before denominator eligible encounter

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

Active code Carrier judgment

HCPCS codeM1433
Long description
Patient on oral chemotherapy on or within 30 days before denominator eligible encounter
Short description
Oral chemo wthn 30 days enc
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, 2026
Last change
January 1, 2026 – No change

Frequently asked questions

What is HCPCS code M1433?

M1433 is a HCPCS Level II code for patient on oral chemotherapy on or within 30 days before denominator eligible encounter.

Does Medicare cover M1433?

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.