Obligatory medical device diagnostics.
- Tone audiometry – testing of hearing with measurement of loudness levels of different pitched tones that just evoke auditory sensation.
- Brainstem audiometry (ABR) – diagnostic procedure in neurology and otolaryngology used for electrophysiological assessment of objective hearing ability.
- Computed tomography/magnetic resonance imaging of the skull (cranial CT or.cCT/cranial MRI or cMRI).