ICD-10 Code H47.0 – Disorders of optic nerve, not elsewhere classified (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H47.0 – Disorders of optic nerve, not elsewhere classified
What it is
H47.0 is used for optic nerve disorders that do not fit a more specific ICD-10-CM category. It covers documented optic nerve pathology when the record does not name a narrower diagnosis.
Clinical signs
Clinical features vary; refer to documentation. Commonly recorded findings may include decreased visual acuity, visual field loss, or abnormal optic nerve appearance on exam.
When to use this code
Use H47.0 when the provider documents a disorder of the optic nerve but does not specify a more exact type. It is appropriate for nonspecific optic neuropathy or other optic nerve abnormalities that are not classified elsewhere. Code the documented condition as written and avoid assuming a more detailed diagnosis.
Do not use for
Do not use H47.0 when the record identifies a specific optic nerve disorder with its own code, such as optic neuritis or papilledema. Check documentation.
Coding tip
Query for specificity if the note only says “optic nerve disorder” and a more exact diagnosis is available.