C9303 – Injection, zolbetuximab-clzb, 1 mg
HCPCS Level II code · C codes: Outpatient PPS (Hospital Outpatient)
HCPCS codeC9303
- Long description
- Injection, zolbetuximab-clzb, 1 mg
- Short description
- Inj zolbetuximab, 1 mg
- Pricing indicator
53Statute- Medicare coverage
DSpecial coverage instructions apply- BETOS category
O1EOther drugs- Cross reference
- J1326
- Added
- April 1, 2025
- Last change
- July 1, 2025 – No change
- Termination date
- June 30, 2025
Frequently asked questions
What is HCPCS code C9303?
C9303 is a HCPCS Level II code for injection, zolbetuximab-clzb, 1 mg. It was discontinued on June 30, 2025.
Does Medicare cover C9303?
The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.
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Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.