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ICD-10-CM 2027

ICD-10 code for Sheathing

H35.01

Changes in retinal vascular appearance

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Sheathing, retinal vessels”. Page updated September 29, 2026.

About coding Sheathing

The ICD-10-CM code for Sheathing is H35.01 (Changes in retinal vascular appearance).

Within H35.0 (background retinopathy and retinal vascular changes), H35.01 is specifically for changes in retinal vascular appearance. Related codes cover unspecified background retinopathy (H35.00), Exudative retinopathy (H35.02), hypertensive retinopathy (H35.03), retinal micro-aneurysms, unspecified (H35.04), retinal neovascularization, unspecified (H35.05), retinal vasculitis (H35.06), retinal telangiectasis (H35.07) and other intraretinal microvascular abnormalities (H35.09).

To report this condition, pick the subcode that matches the documentation: H35.011 (right eye), H35.012 (left eye), H35.013 (bilateral) and H35.019 (unspecified eye).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about Sheathing ICD-10 codes

What is the ICD-10 code for Sheathing?

H35.01 — Changes in retinal vascular appearance (a header code; report a more specific subcode).

Is H35.01 billable?

No. H35.01 is a header code. Report one of its more specific subcodes instead.