ICD-10-CM > H00-H59 > H15-H22 > H20 > H20.8 > H20.82 H20.82 Vogt-Koyanagi syndrome Non-Billable/Non-Specific Codes H20.821Vogt-Koyanagi syndrome, right eyeH20.822Vogt-Koyanagi syndrome, left eyeH20.823Vogt-Koyanagi syndrome, bilateralH20.829Vogt-Koyanagi syndrome, unspecified eye