H35.01 – Changes in retinal vascular appearance

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

Non-billable header

ICD-10-CM code H35.01

Code: H35.01 (claims format: H3501)
Description: Changes in retinal vascular appearance
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: H35 › H35.0

Billable codes under H35.01

H35.01 is a header code and cannot be used on claims. Choose the most specific code:

Notes for H35.01

Applicable to:

Retinal vascular sheathing

Notes inherited from parent codes

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

H35 – Other retinal disorders

Excludes2 (not included here):

diabetic retinal disorders (E08.311-E08.359, E09.311-E09.359, E10.311-E10.359, E11.311-E11.359, E13.311-E13.359)

H35.0 – Background retinopathy and retinal vascular changes

Code also:

any associated hypertension (I10)

Index terms for H35.01

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

Related codes in H35.0

H35.00 – Unspecified background retinopathyBillable
H35.02 – Exudative retinopathyHeader
H35.03 – Hypertensive retinopathyHeader
H35.04 – Retinal micro-aneurysms, unspecifiedHeader
H35.05 – Retinal neovascularization, unspecifiedHeader
H35.06 – Retinal vasculitisHeader
H35.07 – Retinal telangiectasisHeader
H35.09 – Other intraretinal microvascular abnormalitiesBillable

Frequently asked questions

What is ICD-10 code H35.01?

H35.01 is the ICD-10-CM code for changes in retinal vascular appearance, in the block H30-H36 (Disorders of choroid and retina).

Is H35.01 a billable code?

No. H35.01 is a header code with more specific child codes; report one of the billable codes listed above.

What category does H35.01 belong to?

It belongs to category H35 – Other retinal disorders.

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.