C4A.5: Merkel cell carcinoma of trunk excludes2 malignant neoplasm of anus NOS (C21.0) malignant neoplasm of scrotum (C63.2) |
| C4A.51: Merkel cell carcinoma of anal skin |
| C4A.52: Merkel cell carcinoma of skin of breast |
| C4A.59: Merkel cell carcinoma of other part of trunk |