Q13.2 Other congenital malformations of iris

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applicable to

• Anisocoria, congenital
• Atresia of pupil
• Congenital malformation of iris NOS
• Corectopia

MS-DRG index

Defines the logic of DRG(s) 124-125 in MDC 02.

Approximate ICD-9-CM (GEMs)

• 743.46 Other specified congenital anomalies of iris and ciliary body (approximate)

Code annotations containing back-references to Q13.2

Back-references to Q13.2

• Type 1 Excludes: H21.5 Other and unspecified adhesions and disruptions of iris and ciliary body ("corectopia (Q13.2)")
• Type 1 Excludes: H21.56 Pupillary abnormalities ("congenital deformity of pupil (Q13.2-)")

Diagnosis Index entries for Q13.2

• Anisocoria (pupil) › congenital
• Anomaly, anomalous (congenital) (unspecified type) › iris
• Anomaly, anomalous (congenital) (unspecified type) › opticociliary vessels
• Anomaly, anomalous (congenital) (unspecified type) › pupil
• Atresia, atretic › pupil
• Corectopia
• Deformity › iris (acquired) › congenital
• Deformity › opticociliary vessels (congenital)
• Deformity › pupil (congenital)
• Heterochromia (congenital)
• Malformation (congenital) › iris
• Notch of iris
• Polycoria

Nearby codes

• Q13 Congenital malformations of anterior segment of eye
• Q13.0 Coloboma of iris
• Q13.1 Absence of iris
• Q13.2 Other congenital malformations of iris (this code)
• Q13.3 Congenital corneal opacity
• Q13.4 Other congenital corneal malformations
• Q13.5 Blue sclera
• Q13.8 Other congenital malformations of anterior segment of eye
• Q13.81 Rieger anomaly