Q12.2 Coloboma of lens

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

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 743.36 Congenital anomalies of lens shape (approximate)

Code annotations containing back-references to Q12.2

Back-references to Q12

• Type 1 Excludes: H27 Other disorders of lens ("congenital lens malformations (Q12.-)")

Diagnosis Index entries for Q12.2

• Coloboma (iris) › lens
• Persistence, persistent (congenital) › tunica vasculosa lentis
• Tunica vasculosa lentis

Nearby codes

• Q12 Congenital lens malformations
• Q12.0 Congenital cataract
• Q12.1 Congenital displaced lens
• Q12.2 Coloboma of lens (this code)
• Q12.3 Congenital aphakia
• Q12.4 Spherophakia
• Q12.8 Other congenital lens malformations
• Q12.9 Congenital lens malformation, unspecified