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Tb – Interferon-y (Gamma) Release Assay (IGRA)-3 Tube in Lucknow
Also known as: TB Gold - IGRA (Interferon-y Gamma release assay) - 3 tube, Lithium Heparin Blood
No special precautions
Sample Type
Blood
Recommended for
Male, Female
Report
Within 24 Hours
Blood test at Home
NABL & CAP Accredited Labs
Accurate & Quality Test Reports
Trusted by Leading Doctors & Hospitals
IGRA Test in Lucknow Details in Brief
| Also Known As | TB Gold Test, Interferon Gamma Release Assay (IGRA), Quantiferon-TB Test |
|---|---|
| Purpose | Detects latent or past infection with Mycobacterium tuberculosis by measuring the immune response to TB-specific antigens |
| Preparation | Provide your complete clinical history; no fasting required |
| Fasting | Fasting not required |
| Reporting Time | Next day |
| Cost | 3,025 |
What is an IGRA Test in Lucknow?
The IGRA Test in Lucknow (Interferon Gamma Release Assay) is a simple blood test used to detect latent tuberculosis (TB) infection. It measures your immune system’s response to Mycobacterium tuberculosis–specific antigens.
Unlike the older Tuberculin Skin Test (TST), the IGRA test requires only one visit and is not affected by BCG vaccination, making it ideal for accurate TB screening. It helps identify individuals exposed to TB bacteria, even when they show no symptoms.
What Does an IGRA Test Measure in Lucknow?
The test measures the release of interferon-gamma (IFN-γ) by your white blood cells when exposed to TB-specific antigens.
It helps:
- Detect latent TB infection: Identifies previous exposure to TB bacteria.
- Differentiate TB from BCG response: Avoids false positives caused by prior vaccination.
- Assess immune function: Especially useful for those with weakened immunity.
- Support TB contact tracing: Screens individuals exposed to active TB cases.
- Guide preventive care: Determines if you need preventive anti-TB medication to avoid future disease.
Who Should Consider an IGRA Test?
Your doctor may recommend the IGRA test if you:
- Have been in close contact with a person who has active TB.
- Have tested positive in a TB skin test and need confirmation.
- Have a weakened immune system due to conditions like HIV, diabetes, or kidney failure.
- Are preparing for organ transplant or immunosuppressive therapy.
- Work in healthcare or laboratory settings with potential TB exposure.
- Have received the BCG vaccine but still need TB screening.
What Is the Purpose of an IGRA Test?
The IGRA test identifies whether you have been infected with TB bacteria, even if you have no symptoms. Early detection allows for timely preventive treatment, helping reduce your risk of developing active TB in the future.
IGRA Test Booking & Reports – Metropolis Healthcare
How to Book the IGRA Test with Metropolis Healthcare in Lucknow?
- Easy Online Booking
Book your IGRA test on the Metropolis Healthcare website or app. Select your preferred time slot and choose between home collection or visiting your nearest Metropolis Lab in Lucknow. - Safe Home Sample Collection
Our trained phlebotomists visit your home for safe, hygienic sample collection while following all NABL & CAP accredited protocols. - Accurate Testing
Your blood sample is processed using Enzyme Immunoassay (EIA) technology for precise results. - Quick Reports
Get your test reports via email, WhatsApp, or by downloading them from the Metropolis app or website.
How Long Does It Take to Get the IGRA Test Report from Metropolis Healthcare in Lucknow?
Your IGRA test report is usually available the next day after your sample reaches the lab.
Note: Reporting time and cost may vary by location.
Where Can You View or Collect Your IGRA Test Results?
You can access your IGRA test results through multiple options — log in to the Metropolis Healthcare website, use the Metropolis app, or receive them via email or WhatsApp. A physical copy can also be collected from your nearest Metropolis Lab in Lucknow.
Is Home Sample Collection Available for the IGRA Test in Lucknow Near You?
Yes, Metropolis Healthcare provides doorstep sample collection in Lucknow. Our expert phlebotomists follow strict biosafety standards to ensure a smooth, safe, and comfortable experience for you.
Guide to Interpreting IGRA Test Results
What Your IGRA Test Results May Indicate
| Result | Interpretation | Meaning |
|---|---|---|
| Negative | TB infection unlikely | No signs of latent or active TB infection. |
| Positive | Possible latent TB infection | Indicates exposure to TB bacteria; further tests needed to confirm. |
| Indeterminate | Inconclusive | May be due to technical issues or weak immune response; repeat testing recommended. |
Note:
A positive IGRA result indicates TB exposure but does not diagnose active disease. Follow-up with chest X-ray or sputum tests may be required.
Understanding Abnormal IGRA Test Results by Parameter
| Parameter | High Values May Indicate | Low or Indeterminate Values May Indicate |
|---|---|---|
| Gamma Interferon (Antigen Tube) | Immune response to TB antigens – possible latent infection | No detectable response or technical interference |
| Gamma Interferon (Mitogen Tube) | Normal immune activity | Possible immune suppression or poor sample quality |
What Preparations Are Needed for an IGRA Test?
Follow these simple steps to ensure an accurate result:
- No fasting required: Eat and drink normally before your test.
- Inform your doctor: Share details about current medications, chronic illnesses, or recent vaccinations.
- Avoid recent infections: If you’ve had flu, measles, or pneumonia recently, consult your doctor before testing.
- Provide medical history: Include any previous TB exposure, treatment, or vaccination details.
- Stay relaxed and hydrated: Drink water before your test to make the blood draw easier.
IGRA test Price in Different Cities
The cost of a IGRA test may vary depending on your location. Here's a table showing the approximate price range for the IGRA test at Metropolis Healthcare in major Indian cities:
|
City |
Approximate Cost (INR) |
|
₹ 3000 to ₹ 4000 |
|
|
₹ 3000 to ₹ 4000 |
|
|
₹ 3000 to ₹ 4000 |
|
|
₹ 3000 to ₹ 4000 |
The IGRA test cost may vary depending on the city and the specific tests included in the panel. However, Metropolis Healthcare offers competitive IGRA test prices across major cities in India.
References
- Mazurek, G. H., et al. (2010). Updated Guidelines for Using Interferon Gamma Release Assays to Detect Mycobacterium tuberculosis Infection. MMWR, 59(RR-5), 1–25. PMID: 20577159
- Pai, M., et al. (2014). Gamma Interferon Release Assays for Detection of Mycobacterium tuberculosis Infection. Clinical Microbiology Reviews, 27(1), 3–20. PMID: 24396134
- Diel, R., Loddenkemper, R., & Nienhaus, A. (2010). Evidence-based comparison of commercial interferon-gamma release assays for detecting active TB. Chest, 137(4), 952–968. PMID: 19880912
- World Health Organization. (2018). Latent Tuberculosis Infection: Updated and Consolidated Guidelines for Programmatic Management. WHO Reference No: WHO/CDS/TB/2018.4
TB Gold - IGRA (Interferon-y Gamma release assay) - 3 tube, Lithium Heparin Blood Price in Lucknow
Metropolis Healthcare is a leading diagnostics centre and pathology lab in India equipped with the latest state-of-the-art technologies that provides the TB Gold - IGRA (Interferon-y Gamma release assay) - 3 tube, Lithium Heparin Blood with a clear pricing structure
The price of TB Gold - IGRA (Interferon-y Gamma release assay) - 3 tube, Lithium Heparin Blood in Lucknow is ₹ 3,025
We are committed to deliver accurate and quality results from the best labs in India with complete transparency regarding test cost and turnaround time. No matter where you are, we strive to offer patients high-quality service that is affordable and accessible.
Frequently Asked Questions
No, fasting is not required. You can eat and drink normally.
No, the IGRA test only detects latent TB infection. Further tests are needed to diagnose active TB.
No, the IGRA test is not influenced by prior BCG vaccination, unlike the skin test.
Reports are generally available by 8:00 PM on the next working day.
Yes, you can access your results through the Metropolis website, app, or via email and WhatsApp.
Yes, Metropolis Healthcare offers safe and convenient home collection for the IGRA test.
A positive result means you’ve been exposed to TB bacteria and may have latent TB. Further evaluation is advised.
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Why Metropolis?
Metropolis has a team of 200 senior pathologists and over 2000 technicians delivering diagnostic solutions in the areas of routine, semi specialty and super specialty domains like Oncology, Neurology, Gynaecology, Nephrology and many more.
We offer a comprehensive range of 4000+ clinical laboratory tests and profiles, which are used for prediction, early detection, diagnostic screening, confirmation and/or monitoring of the disease.
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