ICD-10-CM > C00-D49 > D00-D09 > D04 > D04.1 D04.1 Carcinoma in situ of skin of eyelid, including canthus Non-Billable/Non-Specific Codes D04.10Carcinoma in situ of skin of unspecified eyelid, including canthusD04.11Carcinoma in situ of skin of right eyelid, including canthusD04.111Carcinoma in situ of skin of right upper eyelid, including canthusD04.112Carcinoma in situ of skin of right lower eyelid, including canthusD04.12Carcinoma in situ of skin of left eyelid, including canthusD04.121Carcinoma in situ of skin of left upper eyelid, including canthusD04.122Carcinoma in situ of skin of left lower eyelid, including canthus