Labyrinthitis, right ear

This code signifies inflammation of the labyrinth in the inner ear, specifically affecting the right side. Labyrinthitis typically presents with sudden onset of vertigo, dizziness, nausea, vomiting, and sometimes hearing loss or tinnitus. It is often caused by viral infections but can also result from bacterial infections, head injury, or autoimmune conditions.

Use this code when documentation clearly indicates a diagnosis of labyrinthitis localized to the right ear. This diagnosis is typically supported by a physician's assessment based on patient history, physical examination findings (e.g., nystagmus, positive head impulse test), and exclusion of other vestibular disorders.

• Ensure the medical record explicitly states "right ear" to support laterality.
• Distinguish from vestibular neuronitis, which affects the vestibular nerve but not the cochlea.
• Code any underlying cause of the labyrinthitis (e.g., viral infection) as an additional diagnosis.