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