ICD-10-CM > C00-D49 > C43-C44 > C43 > C43.1 > C43.11 C43.11 Malignant melanoma of right eyelid, including canthus Non-Billable/Non-Specific Codes C43.111Malignant melanoma of right upper eyelid, including canthusC43.112Malignant melanoma of right lower eyelid, including canthus