ICD-10-CM > C00-D49 > C43-C44 > C44 > C44.5 > C44.59 C44.59 Other specified malignant neoplasm of skin of trunk Non-Billable/Non-Specific Codes C44.590Other 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