Squamous cell carcinoma skin/ right low eyelid, inc canthus

This code signifies a malignant neoplasm originating from squamous cells, specifically located on the skin of the right lower eyelid, encompassing the canthal region. This aggressive form of non-melanoma skin cancer can invade surrounding tissues if not treated.

Apply this code when documentation confirms a pathological diagnosis of squamous cell carcinoma affecting the skin of the right lower eyelid, including any involvement of the inner or outer canthus. This is typically supported by biopsy results and physician notes detailing the tumor's location.

• Ensure the documentation explicitly states "squamous cell carcinoma" and specifies the "right lower eyelid, including canthus."
• Distinguish from basal cell carcinoma (C44.11-) or melanoma (C43.1-) of the eyelid.
• Confirm laterality (right vs. left) and specific eyelid involvement (upper vs. lower) for accurate coding.