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.
Risk adjustment
H34.00 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
H34.00 is named in 4 Medicare coverage policies — 4 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- 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
Related codes at this level
Codes that share H34.0. If H34.00 is not quite right, the correct code is usually one of these.
Questions about H34.00
- Is H34.00 a billable ICD-10-CM code?
- Yes. H34.00 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does H34.00 sit in the tabular list?
- Diseases of the eye and adnexa (H00-H59), in the block Disorders of choroid and retina (H30-H36).