Current
C4A — Merkel cell carcinoma
Part of Chapter 2: Neoplasms , block Melanoma and other malignant neoplasms of skin (C43-C44) .
Child Codes
- C4A.0 Merkel cell carcinoma of lip Billable
- C4A.1 Merkel cell carcinoma of eyelid, including canthus Has subcodes
- C4A.2 Merkel cell carcinoma of ear and external auricular canal Has subcodes
- C4A.3 Merkel cell carcinoma of other and unspecified parts of face Has subcodes
- C4A.4 Merkel cell carcinoma of scalp and neck Billable
- C4A.5 Merkel cell carcinoma of trunk Has subcodes
- C4A.6 Merkel cell carcinoma of upper limb, including shoulder Has subcodes
- C4A.7 Merkel cell carcinoma of lower limb, including hip Has subcodes
- C4A.8 Merkel cell carcinoma of overlapping sites Billable
- C4A.9 Merkel cell carcinoma, unspecified Billable
Referenced By
Official notes on these codes cite C4A.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS