C4A.9
BillableMerkel cell carcinoma, unspecified
C4A.9 is the ICD-10-CM code for Merkel cell carcinoma, unspecified. It is a billable, specific code valid for reimbursement.
C00-D49 Neoplasms
Includes
- •Merkel cell carcinoma of unspecified site
- •Merkel cell carcinoma NOS
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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