KCNQ4 Gene Deafness Autosomal Dominant Type 2A NGS Genetic DNA Test
Comprehensive Genetic Testing for Hereditary Hearing Loss
The KCNQ4 Gene Deafness Autosomal Dominant Type 2A NGS Genetic DNA Test represents a breakthrough in genetic diagnostics for hereditary hearing disorders. This advanced test specifically targets mutations in the KCNQ4 gene, which plays a critical role in potassium channel function within the inner ear. When these channels malfunction due to genetic mutations, progressive hearing loss typically develops, often beginning in childhood or early adulthood and worsening over time.
What This Test Measures and Detects
Our NGS Genetic DNA Test employs cutting-edge Next-Generation Sequencing technology to comprehensively analyze the KCNQ4 gene for:
- Point mutations and single nucleotide variants
- Small insertions and deletions
- Missense mutations affecting potassium channel function
- Genetic variations associated with DFNA2A hearing loss
- Pathogenic variants causing progressive sensorineural hearing impairment
The test provides detailed information about specific genetic alterations that disrupt the normal function of potassium channels in the cochlea, leading to the characteristic progressive hearing loss pattern seen in autosomal dominant nonsyndromic hearing loss type 2A.
Who Should Consider This Genetic Test
This test is particularly recommended for individuals experiencing:
- Progressive hearing loss beginning in childhood or early adulthood
- Family history of hereditary hearing impairment
- High-frequency hearing loss that gradually worsens over time
- Unexplained sensorineural hearing loss with autosomal dominant inheritance pattern
- Individuals planning family who want to understand genetic risks
- Patients with suspected DFNA2A hearing loss based on clinical presentation
Significant Benefits of KCNQ4 Genetic Testing
Undergoing this comprehensive genetic analysis provides numerous advantages:
- Early Intervention Opportunities: Identify genetic predisposition before significant hearing loss occurs
- Personalized Treatment Planning: Tailor hearing management strategies based on genetic findings
- Family Planning Guidance: Understand inheritance risks for future generations
- Accurate Diagnosis: Confirm DFNA2A subtype for appropriate medical management
- Genetic Counseling Foundation: Provide essential information for comprehensive genetic counseling sessions
- Proactive Hearing Conservation: Implement protective measures based on genetic risk assessment
Understanding Your Test Results
Your genetic test results will be carefully interpreted by our expert geneticists and presented in a comprehensive report:
- Positive Result: Indicates the presence of a pathogenic KCNQ4 mutation. This confirms the genetic basis for hearing loss and provides crucial information for management and family planning.
- Negative Result: No disease-causing mutations detected in the KCNQ4 gene. However, other genetic or environmental factors may still contribute to hearing loss.
- Variant of Uncertain Significance (VUS): Some genetic changes may require additional family studies or research to determine clinical significance.
All results include detailed explanations and recommendations for next steps, including referral to ENT specialists and genetic counselors for comprehensive care planning.
Test Pricing and Details
| Test Component | Price (USD) |
|---|---|
| Discount Price | $500 |
| Regular Price | $700 |
Additional Test Information:
- Turnaround Time: 3 to 4 Weeks
- Sample Type: Blood, Extracted DNA, or One Drop Blood on FTA Card
- Specialty: ENT Doctor
- Department: Genetics
- Method: NGS Technology
- Disease Type: Ear Nose Throat Disorders
Pre-Test Preparation
Before your test, we recommend:
- Providing complete clinical history related to hearing loss
- Participating in a genetic counseling session to create a detailed family pedigree
- Documenting family members affected by hereditary hearing conditions
- Discussing testing implications with your healthcare provider
Nationwide Testing Availability
We have convenient testing locations across the United States, serving patients in all major metropolitan areas including New York, Los Angeles, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, and San Jose. Our state-of-the-art genetic testing facilities ensure accurate, reliable results with comprehensive support throughout the testing process.
Take Control of Your Hearing Health Today
Don’t let uncertainty about hereditary hearing loss affect your quality of life. Our KCNQ4 Gene Deafness Autosomal Dominant Type 2A NGS Genetic DNA Test provides the clarity and information you need to make informed decisions about your hearing health and family planning.
Ready to schedule your test? Call or WhatsApp us today at +1(267) 388-9828 to book your appointment or speak with our genetic counseling team.
Take the first step toward understanding your genetic hearing health with our comprehensive, affordable testing service available throughout the United States.

