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H35.9

H35.9: Unspecified retinal disorder

Billable / specific codeICD-10-CM

H35.9 is a billable, specific ICD-10-CM code for unspecified retinal disorder. It is valid for submission on a claim.

Check H35.9 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above H35.9

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

Written on H35: Other retinal disorders

Risk adjustment

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

Medicare coverage

H35.9 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56551Billing and Coding: Visual Fields Testing
  • A56799Billing and Coding: Visual Fields Testing
  • A57071Billing and Coding: Ophthalmology: Posterior Segment Imaging (Extended Ophthalmoscopy and Fundus Photography)
  • A57637Billing and Coding: Visual Field Examination

Alphabetic index entries that lead here

  • Change›retina
  • Degeneration, degenerative›retina
  • Disease, diseased›retina, retinal
  • Disorder›retina
  • Lesion›retina, retinal

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under H35

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.