H11.9 Unspecified disorder of conjunctiva

Billable ICD-10-CM code, FY2026.

Applies from H11 Other disorders of conjunctiva

Excludes1 (never code together)

• keratoconjunctivitis (H16.2-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 372.9 Unspecified disorder of conjunctiva

Diagnosis Index entries for H11.9

• Disease, diseased › conjunctiva
• Disorder (of) › conjunctiva
• Lesion (s) (nontraumatic) › conjunctiva

Nearby codes

• H11.821 Conjunctivochalasis, right eye
• H11.822 Conjunctivochalasis, left eye
• H11.823 Conjunctivochalasis, bilateral
• H11.829 Conjunctivochalasis, unspecified eye
• H11.89 Other specified disorders of conjunctiva
• H11.9 Unspecified disorder of conjunctiva (this code)