ICD-10-CM > C00-D49 > C43-C44 > C44 > C44.5 > C44.51 C44.51 Basal cell carcinoma of skin of trunk Non-Billable/Non-Specific Codes C44.510Basal cell carcinoma of anal skinC44.511Basal cell carcinoma of skin of breastC44.519Basal cell carcinoma of skin of other part of trunk