C4A.51
BillableMerkel cell carcinoma of anal skin
C4A.51 is the ICD-10-CM code for Merkel cell carcinoma of anal skin. It is a billable, specific code valid for reimbursement.
C00-D49 Neoplasms
Includes
- •Merkel cell carcinoma of anal margin
- •Merkel cell carcinoma of perianal skin
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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