Basal cell carcinoma of skin of other part of trunk

This code identifies a malignant neoplasm originating from the basal cells of the epidermis, specifically located on a non-specified area of the trunk. Basal cell carcinoma is the most common type of skin cancer, characterized by slow growth and rare metastasis.

Use this code when the medical record clearly documents a basal cell carcinoma affecting any part of the trunk (e.g., abdomen, back, chest, flank) other than those with more specific anatomical codes. Documentation should confirm the histological diagnosis and the general trunk location without further specificity.

• Ensure the pathology report confirms basal cell carcinoma.
• Avoid using this code if a more specific anatomical site on the trunk (e.g., C44.510 for skin of breast) is documented.
• Always sequence this code as the primary diagnosis when it is the reason for the encounter.