ICD-10-CM > C00-D49 > D10-D36 > D31 D31 Benign neoplasm of eye and adnexa Non-Billable/Non-Specific Type 1 Excludes benign neoplasm of connective tissue of eyelid (D21.0)benign neoplasm of optic nerve (D33.3)benign neoplasm of skin of eyelid (D22.1-, D23.1-) Codes D31.0Benign neoplasm of conjunctivaD31.00Benign neoplasm of unspecified conjunctivaD31.01Benign neoplasm of right conjunctivaD31.02Benign neoplasm of left conjunctivaD31.1Benign neoplasm of corneaD31.10Benign neoplasm of unspecified corneaD31.11Benign neoplasm of right corneaD31.12Benign neoplasm of left corneaD31.2Benign neoplasm of retinaD31.20Benign neoplasm of unspecified retinaD31.21Benign neoplasm of right retinaD31.22Benign neoplasm of left retinaD31.3Benign neoplasm of choroidD31.30Benign neoplasm of unspecified choroidD31.31Benign neoplasm of right choroidD31.32Benign neoplasm of left choroidD31.4Benign neoplasm of ciliary bodyD31.40Benign neoplasm of unspecified ciliary bodyD31.41Benign neoplasm of right ciliary bodyD31.42Benign neoplasm of left ciliary bodyD31.5Benign neoplasm of lacrimal gland and ductD31.50Benign neoplasm of unspecified lacrimal gland and ductD31.51Benign neoplasm of right lacrimal gland and ductD31.52Benign neoplasm of left lacrimal gland and ductD31.6Benign neoplasm of unspecified site of orbitD31.60Benign neoplasm of unspecified site of unspecified orbitD31.61Benign neoplasm of unspecified site of right orbitD31.62Benign neoplasm of unspecified site of left orbitD31.9Benign neoplasm of unspecified part of eyeD31.90Benign neoplasm of unspecified part of unspecified eyeD31.91Benign neoplasm of unspecified part of right eyeD31.92Benign neoplasm of unspecified part of left eye