H11.059 Peripheral pterygium, progressive, unspecified eye

Billable ICD-10-CM code, FY2026.

Applies from H11 Other disorders of conjunctiva

Excludes1 (never code together)

• keratoconjunctivitis (H16.2-)

Applies from H11.0 Pterygium of eye

Excludes1 (never code together)

• pseudopterygium (H11.81-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 372.42 Peripheral pterygium, progressive (approximate)

Nearby codes

• H11.049 Peripheral pterygium, stationary, unspecified eye
• H11.05 Peripheral pterygium of eye, progressive
• H11.051 Peripheral pterygium, progressive, right eye
• H11.052 Peripheral pterygium, progressive, left eye
• H11.053 Peripheral pterygium, progressive, bilateral
• H11.059 Peripheral pterygium, progressive, unspecified eye (this code)
• H11.06 Recurrent pterygium of eye
• H11.061 Recurrent pterygium of right eye
• H11.062 Recurrent pterygium of left eye
• H11.063 Recurrent pterygium of eye, bilateral
• H11.069 Recurrent pterygium of unspecified eye