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Tb – Interferon-y (Gamma) Release Assay (IGRA)-4 Tube in Ahmedabad
Also known as: TB Gold - IGRA (Interferon-y Gamma release assay) - 4 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
QuantiFERON®-TB Gold Plus (QFT-Plus) Test in Ahmedabad Details in Brief
| Also Known As | TB Gold – IGRA (Interferon-γ Gamma Release Assay) – 4 Tube, Lithium Heparin Blood |
|---|---|
| Purpose | Detects Mycobacterium tuberculosis infection by measuring immune response; helps diagnose latent TB infection and evaluate TB exposure risk |
| Preparation | Clinical history and clinician details must be filled in on the test requisition form (TRF) |
| Fasting | Fasting not required |
| Reporting Time | Next day |
| Cost | 3,500 |
What is a QuantiFERON®-TB Gold Plus (QFT-Plus) Test in Ahmedabad?
The QuantiFERON®-TB Gold Plus (QFT-Plus) Test in Ahmedabad is a simple blood test used to detect infection with Mycobacterium tuberculosis, the bacteria that causes tuberculosis (TB). It uses Interferon-Gamma Release Assay (IGRA) technology to measure how your immune system reacts to TB-specific antigens (ESAT-6 and CFP-10).
This test can identify latent TB infection (when the bacteria are present but inactive) and is highly useful for people previously vaccinated with BCG, as vaccination does not affect test accuracy.
What Does a QuantiFERON®-TB Gold Plus (QFT-Plus) Test Measure in Ahmedabad?
The test measures the release of interferon-gamma (IFN-γ) in your blood in response to TB-specific antigens:
- TB1 Tube (ESAT-6): Detects CD4+ T-cell response.
- TB2 Tube (CFP-10): Identifies both CD4+ and CD8+ T-cell response.
- Nil Tube: Serves as a negative control.
- Mitogen Tube: Serves as a positive control to confirm immune responsiveness.
Who Should Consider a QuantiFERON®-TB Gold Plus (QFT-Plus) Test in Ahmedabad?
Doctors may recommend this test if you:
- Have been in contact with someone diagnosed with TB
- Have symptoms suggestive of TB but negative sputum tests
- Are about to start immunosuppressive therapy or undergo organ transplantation
- Are HIV-positive or have a weakened immune system
- Work in healthcare or high TB-prevalence settings
- Have received BCG vaccination but need accurate TB screening
What Is the Purpose of a QuantiFERON®-TB Gold Plus (QFT-Plus) Test in Ahmedabad?
This test helps:
- Detect latent or active tuberculosis infection
- Differentiate TB infection from BCG vaccination effects
- Guide preventive or active TB treatment
- Screen high-risk patients before long-term immunosuppressive therapy
- Support early detection and infection control
QuantiFERON®-TB Gold Plus (QFT-Plus) Test Booking & Reports – Metropolis Healthcare Ahmedabad
How to Book a QuantiFERON®-TB Gold Plus (QFT-Plus) Test?
- Simple Online Booking
Visit the Metropolis Healthcare website or app. Choose QuantiFERON®-TB Gold Plus Test, select your preferred slot, and book home collection or visit your nearest Metropolis Lab in Ahmedabad. - Safe Sample Collection
A trained phlebotomist will collect a 5 ml blood sample in a lithium heparin vacutainer while maintaining all hygiene and safety standards. - Sample Tracking
Track your sample in real time via the Metropolis Healthcare app or website. - Accurate Testing
The test is performed in NABL & CAP accredited labs using the Enzyme Immunoassay (EIA) method to ensure reliable results. - Quick Reports
Get your test reports the next day via email, WhatsApp, or by downloading them from the Metropolis Healthcare portal.
In how much time will I get QuantiFERON®-TB Gold Plus (QFT-Plus) Test in Ahmedabad report?
Reports are usually ready the next day after the sample reaches the laboratory.
Note: Timing may vary depending on your location and sample logistics.
Where can I see or get QuantiFERON®-TB Gold Plus (QFT-Plus) Test in Ahmedabad results?
You can access your reports through the Metropolis Healthcare app, website, email, or WhatsApp. Physical copies are available at your nearest Metropolis Lab in Ahmedabad.
Is Home Sample Collection for QuantiFERON®-TB Gold Plus (QFT-Plus) Test in Ahmedabad available near you?
Yes. Metropolis Healthcare provides doorstep blood sample collection across Ahmedabad. Our phlebotomists ensure professional, hygienic, and safe collection, offering convenience for patients at home.
Guide to Interpreting QuantiFERON®-TB Gold Plus (QFT-Plus) Test Results
What Your QuantiFERON®-TB Gold Plus (QFT-Plus) Test Results May Indicate
|
Parameter |
Result |
Interpretation |
|
TB1 Tube (ESAT-6) |
< 0.35 IU/mL |
Negative – No immune response to TB-specific antigens |
|
TB1 Tube (ESAT-6) |
≥ 0.35 IU/mL |
Positive – Possible TB infection |
|
TB2 Tube (CFP-10) |
< 0.35 IU/mL |
Negative – No T-cell response to TB antigens |
|
TB2 Tube (CFP-10) |
≥ 0.35 IU/mL |
Positive – Mycobacterium tuberculosis infection likely |
|
Nil Tube |
≤ 8.0 IU/mL |
Acceptable control |
|
Mitogen Tube |
≥ 0.5 IU/mL |
Confirms immune competence and valid test result |
Understanding Abnormal QuantiFERON®-TB Gold Plus (QFT-Plus) Test Results by Parameter
|
Parameter |
Abnormal Result |
Possible Indication |
|
TB1 / TB2 Tubes |
Positive (≥ 0.35 IU/mL) |
Indicates latent or active TB infection |
|
Nil Tube |
High (> 8.0 IU/mL) |
May indicate high background immune response; retesting recommended |
|
Mitogen Tube |
Low (< 0.5 IU/mL) |
Suggests weak immune response or indeterminate result |
What Preparations Are Needed for a QuantiFERON®-TB Gold Plus (QFT-Plus) Test in Ahmedabad?
- No fasting required: You can eat and drink normally.
- Inform your doctor: If you are taking immunosuppressants, corticosteroids, or biologic therapies.
- Avoid recent vaccination: Avoid live vaccines (like measles or influenza) for at least four weeks before testing.
- Hydrate well: Drink water before your test to make blood collection easier.
- Provide accurate medical history: Helps your doctor interpret results more effectively.
QuantiFERON®-TB Gold Plus (QFT-Plus) Test Price in Different Cities
The cost of a QuantiFERON®-TB Gold Plus (QFT-Plus) Test may vary depending on your location. Here's a table showing the approximate price range for the QuantiFERON®-TB Gold Plus (QFT-Plus) Test at Metropolis Healthcare in major Indian cities:
|
City |
Approximate Cost (INR) |
|
₹ 3,450 to ₹ 3,550 |
|
|
₹ 3,450 to ₹ 3,550 |
|
|
₹ 3,450 to ₹ 3,550 |
|
|
₹ 3,450 to ₹ 3,550 |
The QuantiFERON®-TB Gold Plus (QFT-Plus) Test cost may vary depending on the city and the specific tests included in the panel. However, Metropolis Healthcare offers competitive QuantiFERON®-TB Gold Plus (QFT-Plus) Test prices across major cities in India.
References
- QuantiFERON-TB Gold Plus Package Insert, QIAGEN, 2024.
- ATS/IDSA/CDC Clinical Practice Guidelines: Diagnosis of Tuberculosis in Adults and Children. Clinical Infectious Diseases, 2017.
- Mazurek G.H., Jereb J., Vernon A., et al. (2010). Updated guidelines for using Interferon Gamma Release Assays to detect Mycobacterium tuberculosis infection. MMWR Recomm Rep, 59(RR-5), 1–25. PMID: 20448518
- Pai M., Behr M.A., Dowdy D., et al. (2016). Tuberculosis. Nature Reviews Disease Primers, 2(1), 16076. PMID: 27784885
TB Gold - IGRA (Interferon-y Gamma release assay) - 4 tube, Lithium Heparin Blood Price in Ahmedabad
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) - 4 tube, Lithium Heparin Blood with a clear pricing structure
The price of TB Gold - IGRA (Interferon-y Gamma release assay) - 4 tube, Lithium Heparin Blood in Ahmedabad is ₹ 3,500
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
It detects infection with Mycobacterium tuberculosis by measuring interferon-gamma released from white blood cells.
Individuals exposed to TB, healthcare workers, immunocompromised patients, or those with symptoms but negative sputum results.
Reports are typically ready the next day after sample collection.
No, fasting is not required.
Yes, the test results are not affected by prior BCG vaccination.
It means the immune response was unclear; your doctor may recommend retesting.
Yes, Metropolis Healthcare provides home blood collection services across Ahmedabad.
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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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