H10.9 Unspecified conjunctivitis

Billable ICD-10-CM code, FY2026.

Applies from H10 Conjunctivitis

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)

• 372.30 Conjunctivitis, unspecified

Diagnosis Index entries for H10.9

• Conjunctivitis (staphylococcal) (streptococcal) NOS
• Ophthalmia

Nearby codes

• H10.821 Rosacea conjunctivitis, right eye
• H10.822 Rosacea conjunctivitis, left eye
• H10.823 Rosacea conjunctivitis, bilateral
• H10.829 Rosacea conjunctivitis, unspecified eye
• H10.89 Other conjunctivitis
• H10.9 Unspecified conjunctivitis (this code)