D31: Benign neoplasm of eye and adnexa

Codes under D31 (Benign neoplasm of eye and adnexa). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
D31.0	Benign neoplasm of conjunctiva	—
D31.00	Benign neoplasm of unspecified conjunctiva	✓
D31.01	Benign neoplasm of right conjunctiva	✓
D31.1	Benign neoplasm of cornea	—
D31.02	Benign neoplasm of left conjunctiva	✓
D31.2	Benign neoplasm of retina	—
D31.3	Benign neoplasm of choroid	—
D31.4	Benign neoplasm of ciliary body	—
D31.5	Benign neoplasm of lacrimal gland and duct	—
D31.6	Benign neoplasm of unspecified site of orbit	—
D31.9	Benign neoplasm of unspecified part of eye	—
D31.10	Benign neoplasm of unspecified cornea	✓
D31.11	Benign neoplasm of right cornea	✓
D31.12	Benign neoplasm of left cornea	✓
D31.20	Benign neoplasm of unspecified retina	✓
D31.21	Benign neoplasm of right retina	✓
D31.22	Benign neoplasm of left retina	✓
D31.30	Benign neoplasm of unspecified choroid	✓
D31.31	Benign neoplasm of right choroid	✓
D31.32	Benign neoplasm of left choroid	✓
D31.40	Benign neoplasm of unspecified ciliary body	✓
D31.41	Benign neoplasm of right ciliary body	✓
D31.42	Benign neoplasm of left ciliary body	✓
D31.50	Benign neoplasm of unspecified lacrimal gland and duct	✓
D31.51	Benign neoplasm of right lacrimal gland and duct	✓
D31.52	Benign neoplasm of left lacrimal gland and duct	✓
D31.60	Benign neoplasm of unspecified site of unspecified orbit	✓
D31.61	Benign neoplasm of unspecified site of right orbit	✓
D31.62	Benign neoplasm of unspecified site of left orbit	✓
D31.90	Benign neoplasm of unspecified part of unspecified eye	✓
D31.91	Benign neoplasm of unspecified part of right eye	✓
D31.92	Benign neoplasm of unspecified part of left eye	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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