H46: Optic neuritis
Codes under H46 (Optic neuritis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| H46.0 | Optic papillitis | — |
| H46.0 | Optic papillitis | — |
| H46.00 | Optic papillitis, unspecified eye | ✓ |
| H46.00 | Optic papillitis, unspecified eye | ✓ |
| H46.01 | Optic papillitis, right eye | ✓ |
| H46.01 | Optic papillitis, right eye | ✓ |
| H46.1 | Retrobulbar neuritis | — |
| H46.1 | Retrobulbar neuritis | — |
| H46.02 | Optic papillitis, left eye | ✓ |
| H46.02 | Optic papillitis, left eye | ✓ |
| H46.2 | Nutritional optic neuropathy | ✓ |
| H46.2 | Nutritional optic neuropathy | ✓ |
| H46.03 | Optic papillitis, bilateral | ✓ |
| H46.03 | Optic papillitis, bilateral | ✓ |
| H46.3 | Toxic optic neuropathy | ✓ |
| H46.3 | Toxic optic neuropathy | ✓ |
| H46.8 | Other optic neuritis | ✓ |
| H46.8 | Other optic neuritis | ✓ |
| H46.9 | Unspecified optic neuritis | ✓ |
| H46.9 | Unspecified optic neuritis | ✓ |
| H46.10 | Retrobulbar neuritis, unspecified eye | ✓ |
| H46.10 | Retrobulbar neuritis, unspecified eye | ✓ |
| H46.11 | Retrobulbar neuritis, right eye | ✓ |
| H46.11 | Retrobulbar neuritis, right eye | ✓ |
| H46.12 | Retrobulbar neuritis, left eye | ✓ |
| H46.12 | Retrobulbar neuritis, left eye | ✓ |
| H46.13 | Retrobulbar neuritis, bilateral | ✓ |
| H46.13 | Retrobulbar neuritis, bilateral | ✓ |
Frequently asked questions
What is ICD-10-CM code H46?
H46 is an ICD-10-CM category covering Optic neuritis. It contains 28 more specific diagnosis codes, 24 of which are billable.
Is H46 a billable code?
No — H46 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example H46.0 — Optic papillitis). 24 of the 28 codes under H46 are billable.
What codes fall under H46?
H46 includes H46.0, H46.0, H46.00, H46.00, H46.01, plus 23 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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