H26.9 Unspecified cataract

Billable ICD-10-CM code, FY2026.

Applies from H26 Other cataract

Excludes1 (never code together)

• congenital cataract (Q12.0)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 366.9 Unspecified cataract

Diagnosis Index entries for H26.9

• Cataract (cortical) (immature) (incipient)

Nearby codes

• H26.491 Other secondary cataract, right eye
• H26.492 Other secondary cataract, left eye
• H26.493 Other secondary cataract, bilateral
• H26.499 Other secondary cataract, unspecified eye
• H26.8 Other specified cataract
• H26.9 Unspecified cataract (this code)