AMA CPT® Assistant - 2013 Issue 6 (June)
Medicine: Special Otorhinolaryngologic Services (Q&A) (June 2013)
June 2013 page 14 Medicine: Special Otorhinolaryngologic Services Question: Does reporting code 92546, Sinusoidal vertical axis rotational testing, require a rotation chair with Videonystagmography (VNG) technology? Answer: Yes. VNG technology reported with CPT code 92546 requires the use of a rotational chair and is intended to describe a very specific procedure to evaluate nystagmus. The patient is seated in a computer-controlled chair with the head bent forward at 30°. Electronystagmography electrodes are placed to measure nystagmus, while the chair is rotated with the patient's eyes closed. As the chair is rotated under computer control, only the horizontal vestibular canal...
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