ICD-10-CM Book 2025 Edition
Chapters ICD-10-CM Book Table of Content /
chapter 2 C00-D49 Neoplasms /
C43-C44 Melanoma and other malignant neoplasms of skin /
C4A Merkel cell carcinoma
Billable ICD-10-CM Code C4A.20
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C4A.20
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Merkel cell carcinoma of unspecified ear and external auricular canal
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