Vestibular Hypofunction Test
Also known as: Vestibular Function Test, Balance Function Test, VNG
Vestibular Hypofunction Test test available at DNA Labs India for ₹20,000. Uses Videonystagmography (VNG), Rotary Chair Test, Caloric Test on None samples. Results in Reports are typically available within 48 hours after the test.. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr Pasupathy Arumugam
Consultant Pathologist · Reg: 21521
Last reviewed: September 7, 2026
Overview
The primary purpose of the Vestibular Hypofunction Test is to determine whether a patient has vestibular hypofunction and to assess the severity of the condition. It helps in diagnosing the underlying cause of dizziness and balance disorders, guiding treatment plans such as vestibular rehabilitation therapy, and monitoring the effectiveness of interventions. The test also aids in differentiating between central and peripheral causes of vertigo, which is essential for appropriate medical management.
- Test Code
- 6301
- CPT Code
- 92540
- ICD Code
- H81.9
- Price
- ₹20,000
- Sample Type
- None
- Result Time
- Reports are typically available within 48 hours after the test.
- Fasting Required
- No
- Method
- Videonystagmography (VNG), Rotary Chair Test, Caloric Test
Sample Collection
Avoid eating a heavy meal 2 hours before the test. Do not take sedatives, antihistamines, or alcohol for 24 hours prior. Inform your doctor about any medications you are taking.
Method: Clinical assessment
Laboratory Analysis
You will be seated in a chair and asked to wear goggles that track eye movements. You may be asked to follow a light or undergo warm and cool air or water irrigation in the ear canal. The procedure is painless but may cause mild dizziness.
Report Delivery
You may resume normal activities immediately. Some patients may experience temporary dizziness, so it is advisable to have someone accompany you. Results are typically available within 48 hours.
Timeline: Reports are typically available within 48 hours after the test.
Patient Instructions
About This Test
Who Should Get This Test
The primary purpose of the Vestibular Hypofunction Test is to determine whether a patient has vestibular hypofunction and to assess the severity of the condition. It helps in diagnosing the underlying cause of dizziness and balance disorders, guiding treatment plans such as vestibular rehabilitation therapy, and monitoring the effectiveness of interventions. The test also aids in differentiating between central and peripheral causes of vertigo, which is essential for appropriate medical management.
How to Prepare
- No fasting required
- Avoid vestibular suppressants 24 hours prior
- Wear comfortable clothing
- Avoid eye makeup for VNG
Doctor's Notes
Reviewed by Dr Pasupathy Arumugam — MBBS, MD (Pathology) · Reg. No. 21521
"Vestibular hypofunction can significantly impact quality of life. Early diagnosis and targeted rehabilitation are key to managing symptoms effectively."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
- Patient unable to cooperate
- Active ear infection or perforated eardrum
- Recent eye surgery
Understanding Your Results
Reduced response on one side during caloric testing
Suggests peripheral vestibular damage on that side
Reduced response on both sides
May indicate ototoxicity or degenerative changes
Abnormal eye movements not suppressed by fixation
Suggests brainstem or cerebellar involvement
If you experience persistent dizziness, vertigo, or imbalance that affects your daily activities, or if you have hearing loss with balance issues, consult an ENT specialist or neurologist. Early evaluation can prevent falls and improve quality of life.
Risks & Considerations
- ●Mild dizziness during or after the test
- ●Nausea in rare cases
- ●No serious risks associated
Interfering Factors
- ●Recent use of sedatives or vestibular suppressants
- ●Earwax or debris in the ear canal
- ●Patient movement during the test
- ●Fatigue or anxiety
- ●Recent alcohol consumption
Compare With Similar Tests
| Test | Vestibular Hypofunction Test | MRI of Inner Ear | VEMP (Vestibular Evoked Myogenic Potentials) |
|---|---|---|---|
| Comparison | Vestibular Hypofunction Test |
Frequently Asked Questions
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Reference Laboratory Services
We serve as a reference laboratory for hospitals and clinics across India. Send samples from your facility with same-day pickup, priority processing, and results delivered through our online portal. Competitive institutional pricing available.
Your Data Privacy
Your medical data is protected under Indian law.
✓ Stored in India: All patient records are stored on servers located in India. No data is transferred outside the country.
✓ DPDP Act Compliant: Under the Digital Personal Data Protection Act 2023, you can request deletion of your records at any time by contacting support.
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