ICD-10 H20.822
Billable / SpecificVogt-Koyanagi syndrome, left eye
About ICD-10-CM H20.822
ICD-10-CM code H20.822 represents Vogt-Koyanagi syndrome, left eye. This is a billable/specific code in the Eye and Adnexa chapter (block H20). The 2026 edition of ICD-10-CM H20.822 became effective on October 1, 2025.
Medicare LCD Coverage for H20.822
Local Coverage Determinations (LCDs) from CMS MACs that list H20.822 as a covered diagnosis.
Showing top 10 of 51 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing H20.822.
5 Medicare
CPT Codes Commonly Billed with H20.822
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert H20.822 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| H20.822 | 36424 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To H20.822
Other codes in section H15-H22 (Disorders of sclera, cornea, iris and ciliary body).
ICD-10 H20.822, Billing FAQ
Is ICD-10 code H20.822 billable? +
Yes, H20.822 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does H20.822 map to? +
Per CMS GEMs, H20.822 maps to ICD-9 codes: 36424. Useful for legacy data review and historical claim analysis.
Get the full PayerReady toolkit
Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.
Start free →Run this code through our claim audit tool
Check NCCI bundling, MUE limits, and modifier logic before submission.
Try the auditor →Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team