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H53.021

H53.021: Refractive amblyopia, right eye

Billable / specific codeICD-10-CMright

H53.021 is a billable, specific ICD-10-CM code for refractive amblyopia, right eye. It is valid for submission on a claim.

Check H53.021 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above H53.021

A category’s note binds every code beneath it.

Written on H53.0: Amblyopia ex anopsia

  • amblyopia due to vitamin A deficiency (E50.5)

Risk adjustment

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

Medicare coverage

H53.021 is named in 8 Medicare coverage policies: 8 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56505Billing and Coding: Transesophageal Echocardiography (TEE)
  • A56551Billing and Coding: Visual Fields Testing
  • A56773Billing and Coding: Neurophysiology Evoked Potentials (NEPs)
  • A56799Billing and Coding: Visual Fields Testing

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under H53.02

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.