H20.823 Vogt-Koyanagi syndrome, bilateral

The ICD-10-CM code for Vogt-Koyanagi syndrome, bilateral is H20.823 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

7: Diseases of the eye and adnexa (H00-H59)

Section

H15-H22: Disorders of sclera, cornea, iris and ciliary body (H15-H22)

Category H20

50 codes (38 billable)

FY2026 Status

Stable since FY2024

U.S. Hospital Utilization

• An estimated 85 U.S. inpatient stays in 2023 included H20.823 among the documented diagnoses.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Glaucoma (TOC entry)

a. Glaucoma .............................................................................................................................. 48

Assigning glaucoma codes (use as many H40 codes as needed)

Assign as many codes from category H40, Glaucoma, as needed to identify the type of glaucoma, the affected eye, and the glaucoma stage.

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)

Cite This Page

Reference H20.823 with the canonical source and edition:

H20.823 — Vogt-Koyanagi syndrome, bilateral. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/H20.823

Canonical URL: https://icd10codingpro.com/codes/H20.823