H20.9 Unspecified iridocyclitis

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Uveitis NOS

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 364.3 Unspecified iridocyclitis (approximate)

Diagnosis Index entries for H20.9

• Cyclitis
• Iridocyclitis

Nearby codes

• H20.82 Vogt-Koyanagi syndrome
• H20.821 Vogt-Koyanagi syndrome, right eye
• H20.822 Vogt-Koyanagi syndrome, left eye
• H20.823 Vogt-Koyanagi syndrome, bilateral
• H20.829 Vogt-Koyanagi syndrome, unspecified eye
• H20.9 Unspecified iridocyclitis (this code)