ICD-10-CM Q13: Congenital malformations of anterior segment of eye

ICD-10-CM Diagnosis Code (2025)

Official Description for Q13

Congenital malformations of anterior segment of eye

Coding Notes & Guidelines for Q13

Use Additional Code

code for associated glaucoma (H42)

Use Additional Code

code for associated glaucoma (H42)

Inclusion Terms

Coloboma NOS

Inclusion Terms

Aniridia

Inclusion Terms
  • Anisocoria, congenital
  • Atresia of pupil
  • Congenital malformation of iris NOS
  • Corectopia
Inclusion Terms
  • Congenital malformation of cornea NOS
  • Microcornea
  • Peter's anomaly
Inclusion Terms

Axenfeld-Rieger syndrome

Code Also

any other associated congenital malformations such as cardiac defects

Child Codes (More Specific Codes for Q13):

About ICD-10-CM Code Q13 (Congenital malformations of anterior segment of eye)

ICD-10-CM code Q13 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM Q13 became effective on October 1, 2024.

This page provides detailed information about Q13 - Congenital malformations of anterior segment of eye. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Congenital malformations of anterior segment of eye.