ICD-10 Code for Coloboma

Also indexed as (iris)

The ICD-10-CM code for coloboma is Q13.0 — Coloboma of iris. This is the code the Alphabetic Index gives for coloboma with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).

Billable

Which coloboma code should you use?

The Alphabetic Index lists 6 codes under Coloboma. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.

By type

eyelid	Q10.3	Other congenital malformations of eyelid
fundus	Q14.8	Other congenital malformations of posterior segment of eye
lens	Q12.2	Coloboma of lens
optic disc	Q14.2	Congenital malformation of optic disc

Coloboma optic disc

acquired

H47.31

Coloboma of optic disc

not billable

Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources