ICD-10-CM > C00-D49 > C43-C44 > C44 > C44.5 C44.5 Other and unspecified malignant neoplasm of skin of trunk Non-Billable/Non-Specific Type 1 Excludes anus NOS (C21.0)scrotum (C63.2) Codes C44.50Unspecified malignant neoplasm of skin of trunkC44.500Unspecified malignant neoplasm of anal skinC44.501Unspecified malignant neoplasm of skin of breastC44.509Unspecified malignant neoplasm of skin of other part of trunkC44.51Basal cell carcinoma of skin of trunkC44.510Basal cell carcinoma of anal skinC44.511Basal cell carcinoma of skin of breastC44.519Basal cell carcinoma of skin of other part of trunkC44.52Squamous cell carcinoma of skin of trunkC44.520Squamous cell carcinoma of anal skinC44.521Squamous cell carcinoma of skin of breastC44.529Squamous cell carcinoma of skin of other part of trunkC44.59Other specified malignant neoplasm of skin of trunkC44.590Other specified malignant neoplasm of anal skinC44.591Other specified malignant neoplasm of skin of breastC44.599Other specified malignant neoplasm of skin of other part of trunk