D31 — Benign neoplasm of eye and adnexa

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Official Registry Overview & Definition

Benign neoplasm of eye and adnexa is a non-billable ICD-10-CM category code (D31). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for D31 in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

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-)

Frequently Asked Questions (FAQ) & Clinical Guidance

Can D31 be billed directly?

No. D31 (Benign neoplasm of eye and adnexa) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to D31 in its code family, with their registry titles.

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