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H52.31

H52.31: Anisometropia

Billable / specific codeICD-10-CM

H52.31 is a billable, specific ICD-10-CM code for anisometropia. It is valid for submission on a claim.

Check H52.31 with the rest of the claim: free scrubber

Risk adjustment

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

Medicare coverage

H52.31 is named in 5 Medicare coverage policies: 5 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56453Billing and Coding: Cataract Extraction
  • A56544Billing and Coding: Cataract Extraction
  • A56613Billing and Coding: Cataract Surgery
  • A57195Billing and Coding: Cataract Surgery in Adults

Alphabetic index entries that lead here

  • Anisometropia(congenital)
  • Disorder›refraction›anisometropia

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under H52.3

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.