| C44.50 | Unspecified malignant neoplasm of skin of trunk | NON-BILLABLE CODE |
| C44.500 | Unspecified malignant neoplasm of anal skin | BILLABLE CODE |
| C44.501 | Unspecified malignant neoplasm of skin of breast | BILLABLE CODE |
| C44.509 | Unspecified malignant neoplasm of skin of other part of trunk | BILLABLE CODE |
| C44.51 | Basal cell carcinoma of skin of trunk | NON-BILLABLE CODE |
| C44.510 | Basal cell carcinoma of anal skin | BILLABLE CODE |
| C44.511 | Basal cell carcinoma of skin of breast | BILLABLE CODE |
| C44.519 | Basal cell carcinoma of skin of other part of trunk | BILLABLE CODE |
| C44.52 | Squamous cell carcinoma of skin of trunk | NON-BILLABLE CODE |
| C44.520 | Squamous cell carcinoma of anal skin | BILLABLE CODE |
| C44.521 | Squamous cell carcinoma of skin of breast | BILLABLE CODE |
| C44.529 | Squamous cell carcinoma of skin of other part of trunk | BILLABLE CODE |
| C44.59 | Other specified malignant neoplasm of skin of trunk | NON-BILLABLE CODE |
| C44.590 | Other specified malignant neoplasm of anal skin | BILLABLE CODE |
| C44.591 | Other specified malignant neoplasm of skin of breast | BILLABLE CODE |
| C44.599 | Other specified malignant neoplasm of skin of other part of trunk | BILLABLE CODE |
