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KCNJ5 Gene Long QT syndrome type 13 NGS Genetic Test

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KCNJ5 Gene Long QT syndrome type 13 NGS Genetic Test

Short Name: KCNJ5 LQT13 NGS Test

Also known as: LQT13 Genetic Test, KCNJ5 Mutation Analysis, Long QT Syndrome Type 13 NGS Test

KCNJ5 Gene Long QT syndrome type 13 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.

Genetic Test🏠 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 detect mutations in the KCNJ5 gene associated with Long QT Syndrome Type 13 for diagnosis, family screening, and personalized treatment planning.

Test Code
5268
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 special preparation required. Inform the lab about any medications or medical conditions.

Method: Venipuncture or blood drop

Step 2

Laboratory Analysis

A blood sample will be drawn from a vein in the arm using standard venipuncture techniques.

Step 3

Report Delivery

Apply pressure to the puncture site with a cotton ball to stop bleeding. Avoid heavy lifting for a few hours.

Timeline: 3 to 4 weeks

Patient Instructions

1
Before the Test:A genetic counseling session to discuss the test, draw a pedigree chart of family members, and obtain informed consent.
2
During the Test:Blood sample collection and DNA extraction for NGS analysis in a certified laboratory.
3
After the Test:Report generation and delivery within 3-4 weeks, followed by genetic counseling to discuss results.

About This Test

Who Should Get This Test

To detect mutations in the KCNJ5 gene associated with Long QT Syndrome Type 13 for diagnosis, family screening, and personalized treatment planning.

How to Prepare

  • Ensure proper patient identification
  • Use sterile collection equipment
  • Label samples accurately with patient details
  • Transport samples at room temperature

Doctor's Notes

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

"Genetic testing for Long QT Syndrome is crucial for early diagnosis and management, especially in families with a history of cardiac disorders."

Last medically reviewed: September 7, 2026

Test Parameters & Specifications

Sample TypeBlood or Extracted DNA or One drop Blood on FTA Card
Sample Volume3-5 ml of blood
ContainerEDTA tube or FTA Card
Collection MethodVenipuncture or blood drop

Sample Stability

Blood sample stable for 24 hours at room temperature
Extracted DNA stable for up to 7 days at 4°C
Sample Rejection Criteria:
  • Hemolyzed or clotted sample
  • Insufficient sample volume
  • Improperly labeled or contaminated sample

Understanding Your Results

Results indicate the presence or absence of mutations in the KCNJ5 gene. A positive result confirms Long QT Syndrome Type 13, while a negative result may require further clinical evaluation or genetic testing.
Consult a genetic counselor for detailed interpretation of results
Correlate with clinical symptoms and family history
Consider additional cardiac tests such as ECG or Holter monitoring
Discuss treatment options with a cardiologist
⚠️ When to Consult a Doctor:

If you experience symptoms like fainting, seizures, or have a family history of Long QT syndrome, consult a cardiologist or geneticist immediately.

Limitations

  • ⚠May not detect all possible mutations
  • ⚠Requires genetic counseling for interpretation
  • ⚠Results should be correlated with clinical findings

Risks & Considerations

  • ●Minor bruising or pain at the blood draw site
  • ●Rare risk of infection or hematoma

Interfering Factors

  • ●Hemolyzed blood sample
  • ●Contaminated DNA sample
  • ●Recent blood transfusion

Frequently Asked Questions

What is the KCNJ5 Gene Long QT Syndrome Type 13 NGS Genetic Test?
This test uses Next Generation Sequencing (NGS) to detect mutations in the KCNJ5 gene, which causes Long QT Syndrome Type 13, a rare heart rhythm disorder.
How is the test performed?
A blood sample is collected, and DNA is extracted for NGS analysis to identify mutations in the KCNJ5 gene.
What is the cost of the test?
The test costs INR 20,000 at DNA Labs India, with home sample collection available across India.
Is home sample collection available?
Yes, DNA Labs India offers free home sample collection for online bookings in numerous cities across India.
How long does it take to get results?
Results are typically available within 3 to 4 weeks after sample collection.
What are the symptoms of Long QT Syndrome Type 13?
Symptoms include recurrent fainting, seizures, sudden cardiac arrest, rapid heartbeat, shortness of breath, chest pain, and fatigue.
Who should take this test?
Individuals with symptoms of Long QT syndrome, a family history of the condition, or those recommended by a cardiologist or geneticist.
What does a positive result mean?
A positive result confirms a mutation in the KCNJ5 gene, indicating Long QT Syndrome Type 13, which requires medical management.
Is the test covered by insurance?
Coverage depends on your insurance plan. Check with your provider for details on genetic testing coverage.
Are there any risks associated with the test?
The test involves a standard blood draw, with minimal risks like bruising or infection. No significant risks are associated with genetic testing itself.
How accurate is the NGS technology?
NGS technology is highly accurate for detecting mutations in the KCNJ5 gene, with a high sensitivity and specificity.
What should I do after receiving the results?
Consult a genetic counselor or cardiologist to interpret the results, discuss treatment options, and consider family screening.
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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