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H20.823

H20.823: Vogt-Koyanagi syndrome, bilateral

Billable / specific codeICD-10-CMbilateral

H20.823 is a billable, specific ICD-10-CM code for vogt-koyanagi syndrome, bilateral. It is valid for submission on a claim.

Check H20.823 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above H20.823

Not part of this code, but both may be coded when both are present.

Written on H20.8: Other iridocyclitis

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

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

H20.823 is named in 8 Medicare coverage policies: 8 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52423Billing and Coding: Infliximab and biosimilars
  • A53060Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
  • A56726Billing and Coding: Ophthalmology: Posterior Segment Imaging (Extended Ophthalmoscopy and Fundus Photography)
  • A57068Billing and Coding: Ocular Photography - External

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under H20.82

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.