ICD-10-CM H46 is the diagnosis code for Optic neuritis. This code falls under the section "Disorders of optic nerve and visual pathways" within Chapter 7 â Diseases of the eye and adnexa (H00-H59). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions are not included in H46. If the patient has both, code each condition separately:
Understanding where H46 sits in the ICD-10-CM classification helps ensure proper coding:
No, H46 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
H46 is the ICD-10-CM diagnosis code for "Optic neuritis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
H46 is located in Section H46-H47 â "Disorders of optic nerve and visual pathways" within Chapter 7 of the ICD-10-CM Tabular List.
H46 has 6 sub-code(s) that provide more specific detail: H46.0, H46.1, H46.2, H46.3, H46.8 and more.
Use H46 when the patients documented diagnosis matches "Optic neuritis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Optic neuritis is H46.
No, H46 is non-billable. Use a more specific sub-code for primary diagnosis billing.
H46 is in Chapter 7 of the ICD-10-CM Tabular List.
Yes, H46 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.