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H31.20

H31.20: Hereditary choroidal dystrophy, unspecified

Billable / specific codeICD-10-CM

H31.20 is a billable, specific ICD-10-CM code for hereditary choroidal dystrophy, unspecified. It is valid for submission on a claim.

Check H31.20 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above H31.20

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

Written on H31.2: Hereditary choroidal dystrophy

Risk adjustment

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

Medicare coverage

H31.20 is named in 13 Medicare coverage policies: 13 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A53060Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
  • A56537Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)
  • A56551Billing and Coding: Visual Fields Testing
  • A56672Billing and Coding: Electroretinography (ERG)

Alphabetic index entries that lead here

  • Dystrophy, dystrophia›choroid(hereditary)
  • Degeneration, degenerative›chorioretinal›hereditary

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under H31.2

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.