Skip to main content
DNA Labs India

KCNJ2 Gene Short QT syndrome type 3 NGS Genetic Test

DNA Labs India | ISO 9001:2015 Certified

KCNJ2 Gene Short QT syndrome type 3 NGS Genetic Test

Short Name: KCNJ2 SQTS3 NGS Test

Also known as: SQTS3 Genetic Test, KCNJ2 Mutation Analysis, Short QT Syndrome Type 3 DNA Test

KCNJ2 Gene Short QT syndrome type 3 NGS Genetic Test test available at DNA Labs India for ₹20,000. Uses NGS Technology 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

To identify pathogenic mutations in the KCNJ2 gene associated with Short QT Syndrome Type 3, enabling accurate diagnosis, risk assessment, and personalized management for patients and families.

Test Code
5287
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 Technology
Step 1

Sample Collection

No specific preparation required. Provide clinical history and genetic counseling session recommended.

Method: Blood draw or saliva collection

Step 2

Laboratory Analysis

Blood sample collected via venipuncture or saliva sample using provided kit.

Step 3

Report Delivery

Sample sent to lab for analysis. Results available in 3-4 weeks.

Timeline: 3 to 4 Weeks

Patient Instructions

1
Before the Test:Genetic counseling session to discuss test implications and family history.
2
During the Test:Sample collection procedure as per standard protocols.
3
After the Test:Report review with healthcare provider and discussion of management options.

About This Test

Who Should Get This Test

To identify pathogenic mutations in the KCNJ2 gene associated with Short QT Syndrome Type 3, enabling accurate diagnosis, risk assessment, and personalized management for patients and families.

How to Prepare

  • Ensure proper sample labeling
  • Use sterile collection equipment
  • Follow kit instructions for saliva collection
  • Transport sample at recommended temperature

Doctor's Notes

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

"Early genetic testing for KCNJ2 mutations can guide treatment and prevent sudden cardiac events in SQTS3 patients. Consult a genetic counselor for family risk assessment."

Last medically reviewed: September 7, 2026

Test Parameters & Specifications

Sample TypeBlood or Extracted DNA or One drop Blood on FTA Card
Collection MethodBlood draw or saliva collection

Sample Stability

Blood: 48 hours at room temperature
DNA: Stable for weeks if stored properly
Sample Rejection Criteria:
  • Hemolyzed or contaminated samples
  • Insufficient sample volume
  • Incorrect labeling

Understanding Your Results

Results indicate presence or absence of pathogenic mutations in the KCNJ2 gene. Positive results suggest genetic predisposition to SQTS3.
📊

Positive

Pathogenic variant detected; increased risk for SQTS3. Clinical correlation and genetic counseling recommended.

📊

Negative

No pathogenic variants detected; reduced genetic risk, but clinical evaluation may still be needed.

📊

Variant of Uncertain Significance

Genetic variant found but significance unclear; further testing and monitoring advised.

⚠️ When to Consult a Doctor:

Consult a cardiologist or genetic specialist if symptoms like fainting, palpitations, or family history of sudden cardiac death are present, regardless of test results.

Limitations

  • ⚠May not detect all genetic variants
  • ⚠Results require clinical correlation
  • ⚠Limited to KCNJ2 gene analysis

Risks & Considerations

  • ●Minimal risk from blood draw (bruising, infection)
  • ●Psychological impact of genetic results

Interfering Factors

  • ●Sample contamination
  • ●Technical errors in sequencing
  • ●Degraded DNA sample

Frequently Asked Questions

What is KCNJ2 Gene Short QT Syndrome Type 3?
It is a genetic disorder caused by mutations in the KCNJ2 gene, leading to a shortened QT interval and increased risk of cardiac arrhythmias.
How is the test performed?
The test uses Next-Generation Sequencing (NGS) to analyze DNA from a blood or saliva sample for mutations in the KCNJ2 gene.
What are the symptoms of SQTS3?
Common symptoms include fainting, palpitations, chest pain, and risk of sudden cardiac arrest.
How long does it take to get results?
Results are typically available within 3 to 4 weeks after sample collection.
What is the cost of the test?
The test costs INR 20000, which includes testing, analysis, and a detailed report.
Is home sample collection available?
Yes, DNA Labs India offers free home sample collection for online bookings across India.
What does a positive result mean?
A positive result indicates a pathogenic mutation in the KCNJ2 gene, suggesting increased risk for SQTS3. Genetic counseling is recommended.
Can the test detect all mutations?
The test uses advanced NGS technology but may not detect all possible genetic variants. Clinical correlation is advised.
Is genetic counseling recommended?
Yes, genetic counseling is recommended before and after testing to understand implications and family risk.
How accurate is the NGS technology?
NGS is highly accurate for detecting genetic mutations, but results should be interpreted in clinical context.
What are the treatment options for SQTS3?
Treatment may include medications, lifestyle changes, or implantable devices like defibrillators, based on clinical assessment.
Is the test covered by insurance?
Coverage varies by insurance plan. Check with your provider for details on genetic testing coverage.
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.

Related Tests

MMC (Maternal Myopathy with Cardiomyopathy) Mutation Detection Test

₹11,500

LPA Gene Coronary artery disease, susceptibility to NGS Genetic Test

₹20,000

ITIH4 Gene Hypercholesterolemia, susceptibility to NGS Genetic Test

₹20,000

PPP1R17 Gene Hypercholesterolemia, susceptibility to NGS Genetic Test

₹20,000

APOA1 Gene Hypoalphalipoproteinemia NGS Genetic Test

₹20,000

GJC2 Gene Lymphedema, hereditary, type IC NGS Genetic Test

₹20,000
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.

Book Your Test

Enter your details and we'll connect you within 15 minutes.

🧬

Quick Connect

Enter your mobile number and we’ll connect you with the team.

+91

✅ Connecting you now...

🔒 Your number is used to respond to this request.