ICD-10 Code H34.211 – Partial retinal artery occlusion, right eye (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H34.211 – Partial retinal artery occlusion, right eye
What it is
H34.211 identifies a partial blockage of the retinal artery in the right eye. It means blood flow to part of the retina is reduced, not completely stopped.
Clinical signs
Typical findings include sudden visual disturbance in the right eye, often with partial field loss or blurred vision. Clinical features vary; refer to documentation and ophthalmic examination.
When to use this code
Use this code when the provider documents partial retinal artery occlusion specifically in the right eye. It is appropriate for confirmed diagnoses or when specialist assessment clearly identifies the right eye as affected. Check documentation if the record only states retinal ischemia or a retinal vascular event without laterality.
Do not use for
Do not use this code for complete retinal artery occlusion, left eye, or unspecified eye. Do not apply it when the chart describes another retinal vascular disorder or the diagnosis is not confirmed.
Coding tip
Always verify laterality and whether the occlusion is partial before assigning H34.211.