ICD-10-CM · FY 2026 APRIL UPDATE
Q13
Congenital malformations of anterior segment of eye
Diagnosis reference
Nonbillable categoryThis entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.
Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification
Related entries
Up to 30 descendants in this category
| CODE | DESCRIPTION | TYPE |
|---|---|---|
| Q13.0 | Coloboma of iris | Billable |
| Q13.1 | Absence of iris | Billable |
| Q13.2 | Other congenital malformations of iris | Billable |
| Q13.3 | Congenital corneal opacity | Billable |
| Q13.4 | Other congenital corneal malformations | Billable |
| Q13.5 | Blue sclera | Billable |
| Q13.8 | Other congenital malformations of anterior segment of eye | Category |
| Q13.81 | Rieger anomaly | Billable |
| Q13.89 | Other congenital malformations of anterior segment of eye | Billable |
| Q13.9 | Congenital malformation of anterior segment of eye, unspecified | Billable |
Use the complete reference
This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.
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