S04.0
Non-billableInjury of optic nerve and pathways
S04.0 is the ICD-10-CM code for Injury of optic nerve and pathways. It is a non-billable category code — use a more specific child code such as S04.01 for billing.
S00-T88 Injury, poisoning and certain other consequences of external causes
What this means — in plain language
MedlinePlus · NIHThe optic nerve is a bundle of more than 1 million nerve fibers that carry visual messages. You have one connecting the back of each eye (your retina ) to your brain. Damage to an optic nerve can cause vision loss . The type of vision loss and how severe it is depends on where the damage occurs. It may affect one or both eyes. There are many different types of optic nerve disorders, including: Glaucoma is a group of…
Read more about Optic Nerve Disorders at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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