ICD-10-CM > C00-D49 > D10-D36 > D23 > D23.1 > D23.12 D23.12 Other benign neoplasm of skin of left eyelid, including canthus Non-Billable/Non-Specific Codes D23.121Other benign neoplasm of skin of left upper eyelid, including canthusD23.122Other benign neoplasm of skin of left lower eyelid, including canthus