Skip to content
Dx

ICD-10-CM 2027

ICD-10 code for iris nevus

D31.4

Benign neoplasm of ciliary body

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Nevus › iris”. Page updated September 29, 2026.

About coding iris nevus

The ICD-10-CM code for iris nevus is D31.4 (Benign neoplasm of ciliary body).

Within D31 (benign neoplasm of eye and adnexa), D31.4 is specifically for benign neoplasm of ciliary body. Related codes cover conjunctiva (D31.0), cornea (D31.1), retina (D31.2), choroid (D31.3), lacrimal gland and duct (D31.5), unspecified site of orbit (D31.6) and unspecified part of eye (D31.9).

To report this condition, pick the subcode that matches the documentation: D31.40 (body), D31.41 (body) and D31.42 (body).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about iris nevus ICD-10 codes

What is the ICD-10 code for iris nevus?

D31.4 — Benign neoplasm of ciliary body (a header code; report a more specific subcode).

Is D31.4 billable?

No. D31.4 is a header code. Report one of its more specific subcodes instead.