C4ANon-billable (header)
Merkel cell carcinoma
Related Codes· Melanoma and other malignant neoplasms of skin (C43-C44)
Sub-codes of C4A(10)
C4A is a non-billable header. Select a sub-code to bill.
C4A.0Merkel cell carcinoma of lip✓ BillableC4A.1Merkel cell carcinoma of eyelid, including canthusHeaderC4A.2Merkel cell carcinoma of ear and external auricular canalHeaderC4A.3Merkel cell carcinoma of other and unspecified parts of faceHeaderC4A.4Merkel cell carcinoma of scalp and neck✓ BillableC4A.5Merkel cell carcinoma of trunkHeaderC4A.6Merkel cell carcinoma of upper limb, including shoulderHeaderC4A.7Merkel cell carcinoma of lower limb, including hipHeaderC4A.8Merkel cell carcinoma of overlapping sites✓ BillableC4A.9Merkel cell carcinoma, unspecified✓ Billable
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