C43 - Malignant melanoma of skin
C43.1 - Malignant melanoma of eyelid, including canthus
C43.10 - Malignant melanoma of unspecified eyelid, including canthus
C43.11 - Malignant melanoma of right eyelid, including canthus
C43.12 - Malignant melanoma of left eyelid, including canthus