H20.821 Vogt-Koyanagi syndrome, right eye

Billable ICD-10-CM code, FY2026.

Applies from H20.8 Other iridocyclitis

Excludes2 (not included here)

• glaucomatocyclitis crises (H40.4-)
• posterior cyclitis (H30.2-)
• sympathetic uveitis (H44.13-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 364.24 Vogt-koyanagi syndrome (approximate)

Nearby codes

• H20.811 Fuchs' heterochromic cyclitis, right eye
• H20.812 Fuchs' heterochromic cyclitis, left eye
• H20.813 Fuchs' heterochromic cyclitis, bilateral
• H20.819 Fuchs' heterochromic cyclitis, unspecified eye
• H20.82 Vogt-Koyanagi syndrome
• H20.821 Vogt-Koyanagi syndrome, right eye (this code)
• H20.822 Vogt-Koyanagi syndrome, left eye
• H20.823 Vogt-Koyanagi syndrome, bilateral
• H20.829 Vogt-Koyanagi syndrome, unspecified eye
• H20.9 Unspecified iridocyclitis