ICD-10-CM Diagnosis Code H20.821
Diagnosis Code: H20.821 (Raw: H20821)
Description: Vogt-Koyanagi syndrome, right eye
Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)
Fiscal Year: 2026
CMS Section 111 Status: Valid for reporting.
Overview & Clinical Details
ICD-10-CM code H20.821 is designated for Vogt-Koyanagi syndrome, right eye. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.
