H18.459 Nodular corneal degeneration, unspecified eye

Billable ICD-10-CM code, FY2026.

Applies from H18.4 Corneal degeneration

Excludes1 (never code together)

• Mooren's ulcer (H16.0-)
• recurrent erosion of cornea (H18.83-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 371.46 Nodular degeneration of cornea (approximate)

Nearby codes

• H18.449 Keratomalacia, unspecified eye
• H18.45 Nodular corneal degeneration
• H18.451 Nodular corneal degeneration, right eye
• H18.452 Nodular corneal degeneration, left eye
• H18.453 Nodular corneal degeneration, bilateral
• H18.459 Nodular corneal degeneration, unspecified eye (this code)
• H18.46 Peripheral corneal degeneration
• H18.461 Peripheral corneal degeneration, right eye
• H18.462 Peripheral corneal degeneration, left eye
• H18.463 Peripheral corneal degeneration, bilateral
• H18.469 Peripheral corneal degeneration, unspecified eye