H11.001 Unspecified pterygium of right 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)

• 372.40 Pterygium, unspecified (approximate)

Nearby codes

• H11 Other disorders of conjunctiva
• H11.0 Pterygium of eye
• H11.00 Unspecified pterygium of eye
• H11.001 Unspecified pterygium of right eye (this code)
• H11.002 Unspecified pterygium of left eye
• H11.003 Unspecified pterygium of eye, bilateral
• H11.009 Unspecified pterygium of unspecified eye
• H11.01 Amyloid pterygium
• H11.011 Amyloid pterygium of right eye