C4A.4
BillableMerkel cell carcinoma of scalp and neck
C4A.4 is the ICD-10-CM code for Merkel cell carcinoma of scalp and neck. It is a billable, specific code valid for reimbursement.
C00-D49 Neoplasms
No additional coding notes for this code.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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