ICD-10 Code H93.3X9 – Disorders of unspecified acoustic nerve (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H93.3X9 – Disorders of unspecified acoustic nerve
What it is
This code identifies a disorder affecting the acoustic nerve when the documentation does not specify the exact type or side. Use it for nonspecific eighth cranial nerve problems involving hearing or balance pathways.
Clinical signs
Clinical features vary; refer to documentation. Commonly recorded findings may include hearing changes, tinnitus, dizziness, or other auditory complaints linked to acoustic nerve dysfunction.
When to use this code
Use this code when the provider documents an acoustic nerve disorder but does not name a more specific diagnosis. It also fits cases where laterality or exact pathology is not stated in the record. If the note supports a more detailed code, choose that instead.
Do not use for
Do not use this code for clearly specified acoustic nerve conditions, such as a named lesion or laterality when documented. Check documentation if the problem is actually a broader hearing or vestibular disorder.
Coding tip
Code the most specific nerve diagnosis available; otherwise, use H93.3X9 only when the record truly remains unspecified.