H34.1 – Central retinal artery occlusion

ICD-10-CM 2027 diagnosis code · Disorders of choroid and retina

Non-billable header

ICD-10-CM code H34.1

Code: H34.1 (claims format: H341)
Description: Central retinal artery occlusion
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 7. Diseases of the eye and adnexa (H00-H59)
Block: H30-H36 Disorders of choroid and retina
Parent codes: H34

Billable codes under H34.1

H34.1 is a header code and cannot be used on claims. Choose the most specific code:

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

H34 – Retinal vascular occlusions

Excludes1 (not coded here):

amaurosis fugax (G45.3)

Index terms for H34.1

Entries in the ICD-10-CM alphabetic index that lead to this code:

Occlusion, occluded, artery, retinal, central

Related codes in H34

Frequently asked questions

What is ICD-10 code H34.1?

H34.1 is the ICD-10-CM code for central retinal artery occlusion, in the block H30-H36 (Disorders of choroid and retina).

Is H34.1 a billable code?

No. H34.1 is a header code with more specific child codes; report one of the billable codes listed above.

What category does H34.1 belong to?

It belongs to category H34 – Retinal vascular occlusions.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.