ICD-10-CM > C00-D49 > C43-C44 > C44 > C44.1 > C44.12 C44.12 Squamous cell carcinoma of skin of eyelid, including canthus Non-Billable/Non-Specific Codes C44.121Squamous cell carcinoma of skin of unspecified eyelid, including canthusC44.122Squamous cell carcinoma of skin of right eyelid, including canthusC44.1221Squamous cell carcinoma of skin of right upper eyelid, including canthusC44.1222Squamous cell carcinoma of skin of right lower eyelid, including canthusC44.129Squamous cell carcinoma of skin of left eyelid, including canthusC44.1291Squamous cell carcinoma of skin of left upper eyelid, including canthusC44.1292Squamous cell carcinoma of skin of left lower eyelid, including canthus