Q13 (Congenital malformations of anterior segment of eye) is an umbrella ICD-10-CM medical diagnosis code in the Congenital malformations, deformations and chromosomal abnormalities chapter. It identifies cases of congenital malformations of anterior segment of eye for clinical documentation, billing and epidemiologica

ICD-10-CM · Category

Q13 — Congenital malformations of anterior segment of eye

Chapter Q00-Q99: Congenital malformations, deformations and chromosomal abnormalities

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Sub-codes under Q13

Q13.0Coloboma of irisQ13.1Absence of irisQ13.2Other congenital malformations of irisQ13.3Congenital corneal opacityQ13.4Other congenital corneal malformationsQ13.5Blue scleraQ13.8Other congenital malformations of anterior segment of eyeQ13.9Congenital malformation of anterior segment of eye, unsp

Common questions about Q13 (Congenital malformations of anterior segment of eye)

What does ICD-10 code Q13 mean?
Q13 is the ICD-10-CM 2025 code for Congenital malformations of anterior segment of eye. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is Q13 a billable diagnosis code?
Q13 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under Q13. Browse the sub-codes listed on this page.
Which ICD-10 chapter does Q13 belong to?
Q13 belongs to the chapter "Congenital malformations, deformations and chromosomal abnormalities" (codes Q00-Q99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Congenital malformations of anterior segment of eye?
For a plain-language explanation of Congenital malformations of anterior segment of eye, ask GoDavaii's Health AI - it explains medical conditions in 90+ languages, free, with no signup. Tap "Ask GoDavaii AI about Congenital malformations of anterior segment of eye" above to get a personalised answer.

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗