Q12.0 Congenital cataract

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)

• 743.30 Congenital cataract, unspecified (approximate)

Code annotations containing back-references to Q12.0

Back-references to Q12.0

• Type 1 Excludes: H26 Other cataract ("congenital cataract (Q12.0)")

Back-references to Q12

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

Diagnosis Index entries for Q12.0

• Blue › dot cataract
• Cataract (cortical) (immature) (incipient) › anterior › and posterior axial embryonal
• Cataract (cortical) (immature) (incipient) › anterior › pyramidal
• Cataract (cortical) (immature) (incipient) › blue
• Cataract (cortical) (immature) (incipient) › central
• Cataract (cortical) (immature) (incipient) › cerulean
• Cataract (cortical) (immature) (incipient) › congenital
• Cataract (cortical) (immature) (incipient) › coraliform
• Cataract (cortical) (immature) (incipient) › coronary
• Cataract (cortical) (immature) (incipient) › crystalline
• Cataract (cortical) (immature) (incipient) › nuclear › embryonal
• Cataract (cortical) (immature) (incipient) › zonular (perinuclear)
• Cataracta › centralis pulverulenta
• Cataracta › cerulea
• Cataracta › congenita
• Cataracta › coralliformis
• Cataracta › coronaria
• Cataracta › membranacea › congenita

Nearby codes

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