Ask The Experts
Q&A from the most trusted names in audiology.
Vestibular Evoked Myogenic Potentials
July 11, 2005
Question 1:What are the VEMP norms for latency and amplitude? Is there an interaural difference?Question 2:What is the appropriate CPT code for performing VEMP? Some audiologists are using the ABR cod... Read More
Electrophysiology Vestibular Issues and Balance Disorders
Adaptive Signal Unification
July 11, 2005
Please explain Adaptive Signal Unification and why it is important for Open Fitting Read More
Hearing Aids - Adults
ENG with a Flat Tympanogram?
July 4, 2005
Would you complete an ENG if the patient has a flat tympanogram? Read More
Vestibular Issues and Balance Disorders
Bone Conduction Implants and Ossicular Continuity
July 4, 2005
If a potential candidate for a bone conduction implant does have a functioning ossicular chain, could they still be a candidate? When implanted, what are the down sides to having a bone conduction uni... Read More
Bone Conduction Implants and Middle Ear Devices Hearing and Hearing Loss
False Negatives with Screening OAE
June 27, 2005
Are there false negatives with screening OAE and if so, what is the percentage and how does this occur? Read More
Otoacoustic Emissions
Causes of Caloric Perversion
June 20, 2005
I would appreciate your insight regarding when a true caloric perversion exists. I have seen several instances where a vertical component is present while performing air calorics using videonystagmogr... Read More
Vestibular Issues and Balance Disorders
Is ECochG Necessary?
June 13, 2005
I have been doing ABR testing in our clinic for about 6 years. During this time, I have only done 2 or 3 ECOGS (with help). I have never had formal training in ECOG, but have now been asked by our ENT... Read More
Electrophysiology
Use of CPT Code 92507 and TOS Codes
June 6, 2005
Part A:I have had difficulty with the code 92507, which I thought was to be used when hearing treatment/feedback/counseling was done. Is there a different code I should be using in lieu of this? Some... Read More
Practice Management and Professional Issues
Physician "Supervision" of Clinical Practice
June 6, 2005
My question is in regard to physician supervision and billing of insurance. I have seen organizations that bill services provided by audiologists and list a supervising physician on the claim. I would... Read More
Practice Management and Professional Issues
Compression Strategy of Syncro
May 30, 2005
Can you tell me more about the compression strategy used in Syncro? How do I make it work best for the patient? Read More
Hearing Aids - Adults
Asymmetric SP/AP Ratios
May 30, 2005
In an ECochG an SP/AP ratio less than 50% is considered normal. I had a situation in which both the left ear and the right ear ratios were less than 50% but there was a large difference in the ratios... Read More
Electrophysiology
Dizziness Caused by Amplification?
May 23, 2005
A patient of mine has been using digital In-The-Ear hearing aids bilaterally for the past 6 months. He has previously used analog programmable In-The-Canal hearing aids bilaterally. Since he got fitte... Read More
Vestibular Issues and Balance Disorders
Reimbursement for Audiograms
May 16, 2005
I understand Medicare does not reimburse for an audiogram unless it is part of a medical evaluation referred by a physician. However, what if during a hearing aid check it is apparent there is a decre... Read More
Practice Management and Professional Issues
Can Medications Worsen Vestibular Aqueduct Syndrome?
May 16, 2005
Could medications worsen vestibular aqueduct syndrome? For example, if a patient with VAS took medication with a diuretic effect (side effects being dry mouth, difficulty urinating, where even nausea... Read More
Medical and Surgical Vestibular Issues and Balance Disorders
Why Does the Carhart Notch appear at 2000Hz?
May 9, 2005
Editor's note: Dr. Emanuel provided an update of this Ask the Expert that included new research findings into this phenonmenon. Please read the latest information here: http://www.audiologyonline.com/... Read More
Hearing Evaluation - Adults Medical and Surgical
Football CROS
May 9, 2005
I have a 13 year old who is playing on the offensive line of his middle school football team. With this 50 dB SNHL he is having much trouble hearing the calls from the quarterback. He has BTEs but can... Read More
Hearing Aids - Children Hearing Aids - Adults Pediatrics
'Available Word' Pattern on the SSW
May 2, 2005
I gave a young man (age 7y 11 mo) the SSW the other day and he had an interesting response pattern that I hadn't seen before. He would get the LC word incorrect but replace it with the RNC word, e.g.... Read More
Central Auditory Processing Disorder (CAPD)
NAL-R v. NAL-NL1
April 25, 2005
In simple terms, what is the real difference between the NAL-R and the NAL-NL1 fitting rationales? I would appreciate some clarification. Read More
Hearing Aids - Adults
Contact Codes for ENG
April 25, 2005
I see in an article at this site that we are limited to billing certain ENG procedures at 4 or less. Could I get website recommendations for obtaining information about how many tests are allowed on o... Read More
Practice Management and Professional Issues Vestibular Issues and Balance Disorders
Billing for Canalith Repositioning Procedure
April 18, 2005
I am trying to find out the best CPT code for the canalith repositioning procedure. Is there a code that can be used for insurance reimbursement? Read More
Vestibular Issues and Balance Disorders Practice Management and Professional Issues
