ICD-10 Code H35.4 – Peripheral retinal degeneration (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H35.4 – Peripheral retinal degeneration
What it is
Peripheral retinal degeneration refers to degenerative changes in the outer retina, usually away from the macula. It is a broad diagnosis used when documentation describes peripheral retinal thinning or similar non-neoplastic retinal change.
Clinical signs
Findings may include peripheral retinal thinning, lattice-like changes, or other degenerative alterations noted on eye examination. Clinical features vary; refer to documentation.
When to use this code
Use H35.4 when the provider documents peripheral retinal degeneration as the diagnosis, especially in an ophthalmology note or problem list. It is appropriate when the record identifies degenerative peripheral retinal change without a more specific retinal disorder. If the note gives a more detailed retinal diagnosis, code that condition instead.
Do not use for
Do not use this code for retinal tears, detachment, or diabetic retinopathy. Check documentation if the finding is better described by another retinal disorder.
Coding tip
Confirm the provider is describing degeneration of the peripheral retina, not a separate retinal lesion or complication.