C4A.1Non-billable (header)
Merkel cell carcinoma of eyelid, including canthus
Code Hierarchy
┌2Neoplasms (C00-D49)├C43-C44Melanoma and other malignant neoplasms of skin (C43-C44)├C4AMerkel cell carcinoma
└C4A.1Merkel cell carcinoma of eyelid, including canthus
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