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 | — |
| D31.0 | Benign neoplasm of conjunctiva | — |
| D31.00 | Benign neoplasm of unspecified conjunctiva | ✓ |
| D31.00 | Benign neoplasm of unspecified conjunctiva | ✓ |
| D31.01 | Benign neoplasm of right conjunctiva | ✓ |
| D31.01 | Benign neoplasm of right conjunctiva | ✓ |
| D31.1 | Benign neoplasm of cornea | — |
| D31.1 | Benign neoplasm of cornea | — |
| D31.02 | Benign neoplasm of left conjunctiva | ✓ |
| D31.02 | Benign neoplasm of left conjunctiva | ✓ |
| D31.2 | Benign neoplasm of retina | — |
| D31.2 | Benign neoplasm of retina | — |
| D31.3 | Benign neoplasm of choroid | — |
| D31.3 | Benign neoplasm of choroid | — |
| D31.4 | Benign neoplasm of ciliary body | — |
| D31.4 | Benign neoplasm of ciliary body | — |
| D31.5 | Benign neoplasm of lacrimal gland and duct | — |
| D31.5 | Benign neoplasm of lacrimal gland and duct | — |
| D31.6 | Benign neoplasm of unspecified site of orbit | — |
| D31.6 | Benign neoplasm of unspecified site of orbit | — |
| D31.9 | Benign neoplasm of unspecified part of eye | — |
| D31.9 | Benign neoplasm of unspecified part of eye | — |
| D31.10 | Benign neoplasm of unspecified cornea | ✓ |
| D31.10 | Benign neoplasm of unspecified cornea | ✓ |
| D31.11 | Benign neoplasm of right cornea | ✓ |
| D31.11 | Benign neoplasm of right cornea | ✓ |
| D31.12 | Benign neoplasm of left cornea | ✓ |
| D31.12 | Benign neoplasm of left cornea | ✓ |
| D31.20 | Benign neoplasm of unspecified retina | ✓ |
| D31.20 | Benign neoplasm of unspecified retina | ✓ |
| D31.21 | Benign neoplasm of right retina | ✓ |
| D31.21 | Benign neoplasm of right retina | ✓ |
| D31.22 | Benign neoplasm of left retina | ✓ |
| D31.22 | Benign neoplasm of left retina | ✓ |
| D31.30 | Benign neoplasm of unspecified choroid | ✓ |
| D31.30 | Benign neoplasm of unspecified choroid | ✓ |
| D31.31 | Benign neoplasm of right choroid | ✓ |
| D31.31 | Benign neoplasm of right choroid | ✓ |
| D31.32 | Benign neoplasm of left choroid | ✓ |
| D31.32 | Benign neoplasm of left choroid | ✓ |
| D31.40 | Benign neoplasm of unspecified ciliary body | ✓ |
| D31.40 | Benign neoplasm of unspecified ciliary body | ✓ |
| D31.41 | Benign neoplasm of right ciliary body | ✓ |
| D31.41 | Benign neoplasm of right ciliary body | ✓ |
| D31.42 | Benign neoplasm of left ciliary body | ✓ |
| D31.42 | Benign neoplasm of left ciliary body | ✓ |
| D31.50 | Benign neoplasm of unspecified lacrimal gland and duct | ✓ |
| D31.50 | Benign neoplasm of unspecified lacrimal gland and duct | ✓ |
| D31.51 | Benign neoplasm of right lacrimal gland and duct | ✓ |
| D31.51 | Benign neoplasm of right lacrimal gland and duct | ✓ |
| D31.52 | Benign neoplasm of left lacrimal gland and duct | ✓ |
| D31.52 | Benign neoplasm of left lacrimal gland and duct | ✓ |
| D31.60 | Benign neoplasm of unspecified site of unspecified orbit | ✓ |
| D31.60 | Benign neoplasm of unspecified site of unspecified orbit | ✓ |
| D31.61 | Benign neoplasm of unspecified site of right orbit | ✓ |
| D31.61 | Benign neoplasm of unspecified site of right orbit | ✓ |
| D31.62 | Benign neoplasm of unspecified site of left orbit | ✓ |
| D31.62 | Benign neoplasm of unspecified site of left orbit | ✓ |
| D31.90 | Benign neoplasm of unspecified part of unspecified eye | ✓ |
| D31.90 | Benign neoplasm of unspecified part of unspecified eye | ✓ |
| D31.91 | Benign neoplasm of unspecified part of right eye | ✓ |
| D31.91 | Benign neoplasm of unspecified part of right eye | ✓ |
| D31.92 | Benign neoplasm of unspecified part of left eye | ✓ |
| D31.92 | Benign neoplasm of unspecified part of left eye | ✓ |
Frequently asked questions
What is ICD-10-CM code D31?
D31 is an ICD-10-CM category covering Benign neoplasm of eye and adnexa. It contains 64 more specific diagnosis codes, 48 of which are billable.
Is D31 a billable code?
No — D31 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example D31.0 — Benign neoplasm of conjunctiva). 48 of the 64 codes under D31 are billable.
What codes fall under D31?
D31 includes D31.0, D31.0, D31.00, D31.00, D31.01, plus 59 more. See the full list with descriptions and billable status above.
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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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