Medicine
Chapter 7
Section 9.1
Electronystagmography
(ENG)
Issue Date: July 8, 1998
Copyright: CPT only © 2006 American Medical
Association (or such other date of publication of CPT).
All Rights Reserved.
Revision:
1.0 CPT CODE RANGE
92541 - 92547
2.0 DESCRIPTION
ENG refers to the recording
of ocular nystagmus or eye movements by electrooculography in response
to vestibular dysfunction. During ENG testing, the eye movements
are recorded and analyzed by placing small electrodes on the skin
around the eyes.
3.0 POLICY
3.1 ENG testing
may be cost-shared to determine the diagnosis of vestibular system
abnormalities including disorders that affect the peripheral or
central vestibular system when ordered by a physician.
3.2 ENG testing should be reserved
for the assessment of patients with vertigo, dizziness, or dysequilibrium and
who are suspected of suffering from the following vestibular system
abnormalities: The list of indications is not all inclusive. Other
indications are covered when documented by reliable evidence as
safe, effective, and comparable or superior to standard care (proven).
• Meniere’s disease/Endolymphatic
hydrops
• Vestibular neuritis
• Labyrinthine concussion
• Recurrent vestibulopathy
• Migraine-associated dizziness,
benign paroxysmal vertigo of childhood
• Labyrinthine ischemia
• Chemical-induced vestibulotoxicity
4.0 EXCLUSIONS
4.1 Dynamic
Posturography (Current Procedural Terminology (CPT) code 92548)
is unproven.
4.2 Vestibular rehabilitation therapy
(Healthcare Common Procedure Coding System (HCPCS) code S9476) for
the treatment of benign paroxysmal positional vertigo is unproven.
5.0 EFFECTIVE DATE
June 1, 1996.
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