C4A.2Non-billable (header)
Merkel cell carcinoma of ear and external auricular canal
Code Hierarchy
┌2Neoplasms (C00-D49)├C43-C44Melanoma and other malignant neoplasms of skin (C43-C44)├C4AMerkel cell carcinoma
└C4A.2Merkel cell carcinoma of ear and external auricular canal
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