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H34.00

H34.00: Transient retinal artery occlusion, unspecified eye

Billable / specific codeICD-10-CMunspecified

H34.00 is a billable, specific ICD-10-CM code for transient retinal artery occlusion, unspecified eye. It is valid for submission on a claim.

Check H34.00 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above H34.00

A category’s note binds every code beneath it.

Written on H34: Retinal vascular occlusions

Risk adjustment

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

Medicare coverage

H34.00 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56781Billing and Coding: Transthoracic Echocardiography (TTE)
  • A57637Billing and Coding: Visual Field Examination
  • A57657Billing and Coding: Sedimentation Rate, Erythrocyte
  • A57670Billing and Coding: Non-invasive Extracranial Arterial Studies

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under H34.0

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.