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H34.232

Billable

Retinal artery branch occlusion, left eye

Last updated: FY2026 ICD-10-CM (Oct 1, 2025 – Sep 30, 2026) | CMS-HCC V28 (100% phase-in, PY2026)

Is H34.232 an HCC code?

No. H34.232 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

H34.232 is the ICD-10-CM diagnosis code for retinal artery branch occlusion, left eye. A blockage of a branch of the retinal artery in the left eye, affecting blood flow to a specific area of the retina. H34.232 sits in the ICD-10-CM chapter for diseases of the eye and adnexa (h00-h59), within the section covering disorders of choroid and retina (h30-h36).

H34.232 is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.

Confirm left eye laterality in documentation to differentiate from right eye (H34.231) or bilateral (H34.233).

HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for H34.232 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Coding Tips

  • Confirm left eye laterality in documentation to differentiate from right eye (H34.231) or bilateral (H34.233)
  • BRAO has better visual prognosis compared to central retinal artery occlusion

Code Hierarchy

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