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GJB6 Gene Deafness, autosomal dominant type 3B NGS Genetic Test

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GJB6 Gene Deafness, autosomal dominant type 3B NGS Genetic Test

Short Name: GJB6 Gene Deafness NGS Test

Also known as: GJB6 Gene Deafness Genetic Test, Autosomal Dominant Deafness Type 3B Test

GJB6 Gene Deafness, autosomal dominant type 3B NGS Genetic Test test available at DNA Labs India for ₹20,000. Uses NGS (Next-Generation Sequencing) on Blood or Extracted DNA or One drop Blood on FTA Card samples. Results in 3 to 4 Weeks. Free home collection in 300+ cities across India.

NGS Genetic TestAll Ages🏠 Home Collection

✍️ Written By

🩺 Medically Reviewed By

Dr SULOCHANA HEMCHANDRA HOLLA

Dr SULOCHANA HEMCHANDRA HOLLA

Consultant Medical Geneticist · Reg: 8532

Last reviewed: September 7, 2026

Overview

The purpose of the GJB6 Gene Deafness NGS Genetic Test is to identify mutations in the GJB6 gene that cause autosomal dominant type 3B deafness, aiding in accurate diagnosis, management, and genetic counseling.

Test Code
2303
Price
₹20,000
Sample Type
Blood or Extracted DNA or One drop Blood on FTA Card
Result Time
3 to 4 Weeks
Fasting Required
No
Method
NGS (Next-Generation Sequencing)
Step 1

Sample Collection

Provide detailed clinical history and family pedigree. Genetic counseling session recommended.

Method: Venipuncture or Saliva Collection

Step 2

Laboratory Analysis

Sample collected via blood draw or saliva. Minimal discomfort.

Step 3

Report Delivery

Apply pressure to puncture site. No special aftercare needed.

Timeline: 3 to 4 Weeks

Patient Instructions

1
Before the Test:Gather family medical history and consult a genetic counselor.
2
During the Test:A blood or saliva sample is collected for DNA extraction and NGS analysis.
3
After the Test:Await results for 3-4 weeks. Genetic counseling to discuss implications and next steps.

About This Test

Who Should Get This Test

The purpose of the GJB6 Gene Deafness NGS Genetic Test is to identify mutations in the GJB6 gene that cause autosomal dominant type 3B deafness, aiding in accurate diagnosis, management, and genetic counseling.

How to Prepare

  • No fasting required unless specified
  • Bring identification documents
  • Inform about any medications or conditions

Doctor's Notes

Reviewed by — MBBS, MD (Medical Genetics) · Reg. No. 8532

"This test is crucial for diagnosing hereditary hearing loss and guiding family planning decisions."

Last medically reviewed: September 7, 2026

Test Parameters & Specifications

Sample TypeBlood or Extracted DNA or One drop Blood on FTA Card
Sample VolumeAs per collection method
ContainerEDTA tube for blood, FTA card for one drop
Collection MethodVenipuncture or Saliva Collection

Sample Stability

Blood: stable for 7 days at 2-8°C
Saliva: stable for 5 days at room temperature
Sample Rejection Criteria:
  • Insufficient sample volume
  • Hemolyzed or contaminated sample
  • Incorrect labeling

Understanding Your Results

Results indicate the presence or absence of mutations in the GJB6 gene associated with autosomal dominant type 3B deafness.
Mutation detected: Consistent with autosomal dominant deafness; genetic counseling advised.
No mutation detected: Reduced likelihood of GJB6-related deafness, but other causes possible.
Variant of uncertain significance: Requires further testing or clinical correlation.
⚠️ When to Consult a Doctor:

Consult a geneticist or ENT specialist for diagnosis confirmation, management options, and family counseling.

Limitations

  • ⚠May not detect all genetic mutations
  • ⚠False negatives possible
  • ⚠Does not rule out other causes of deafness

Risks & Considerations

  • ●Bruising or pain at blood draw site
  • ●Rare risk of infection
  • ●Emotional impact of results

Interfering Factors

  • ●Sample contamination
  • ●DNA degradation
  • ●Incorrect sample collection

Compare With Similar Tests

TestGJB6 Gene Deafness, autosomal dominant type 3B NGS Genetic Test
ComparisonGJB6 Gene Deafness, autosomal dominant type 3B NGS Genetic Test

Frequently Asked Questions

What is the GJB6 Gene Deafness NGS Genetic Test?
It is a test that uses next-generation sequencing to detect mutations in the GJB6 gene, which can cause autosomal dominant type 3B deafness.
Who should consider this test?
Individuals with unexplained hearing loss, family history of deafness, or symptoms like tinnitus and difficulty hearing.
How is the test performed?
A blood or saliva sample is collected and analyzed using NGS technology to identify mutations in the GJB6 gene.
What is the cost of the test in India?
The test costs INR 20,000 at DNA Labs India, with free home sample collection available across India.
Is home sample collection available?
Yes, DNA Labs India offers free home sample collection for this test in many cities across India.
How long does it take to get results?
Results are typically available within 3 to 4 weeks after sample collection.
What do the results mean?
Results may show presence of mutations indicating deafness risk, no mutations, or variants of uncertain significance requiring further consultation.
Are there any risks associated with the test?
The test has minimal risks, such as bruising from blood draw, but is generally safe and non-invasive.
Can this test detect all types of deafness?
No, it specifically targets GJB6 gene mutations; other genetic or non-genetic causes may require different tests.
How accurate is the NGS technology?
NGS is highly accurate for detecting mutations, but false negatives or positives can occur in rare cases.
Is genetic counseling necessary?
Yes, genetic counseling is recommended to understand test implications, family risks, and management options.
How can I book the test?
You can book the test online through DNA Labs India's website or by contacting their customer service for assistance.
Worried about the process? Our certified phlebotomists collect thousands of samples every month across India. The process takes under 5 minutes and is virtually painless. Questions? Message us on WhatsApp — we're here 7 days a week.

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For Hospitals & Clinics

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.

LIMS Integration

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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