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Vestibular Function Testing

Vestibular function testing using an electronystagmography and videonystagmography testing batteries, caloric testing, or rotational chair testing may be considered medically necessary when the following conditions have been met:The patient has symptoms of a vestibular disorder (eg, dizziness, vertigo, imbalance); and

A clinical evaluation, including maneuvers such as the Dix-Hallpike test if indicated, has failed to identify the cause of the symptoms.

Vestibular evoked myogenic potential tests are considered investigational.

Vestibular function testing for the assessment of typical benign paroxysmal positional vertigo that can be diagnosed clinically is not medically necessary.

Repeat vestibular function testing when treatment resolves symptoms is not medically necessary.

Vestibular function testing in all other situations is investigational.

All other laboratory-based vestibular function tests not described above are considered investigational.

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