ICD-10-CM category
Q13: Congenital malformations of anterior segment of eye
Codes under Q13 (Congenital malformations of anterior segment of eye). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Q13.0 | Coloboma of iris | ✓ |
| Q13.1 | Absence of iris | ✓ |
| Q13.2 | Other congenital malformations of iris | ✓ |
| 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 | — |
| Q13.9 | Congenital malformation of anterior segment of eye, unspecified | ✓ |
| Q13.81 | Rieger anomaly | ✓ |
| Q13.89 | Other congenital malformations of anterior segment of eye | ✓ |
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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