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Respiratory - Tuberculosis Screening Panel
Reports in24 hrs
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- Accurate & trusted reports
- Pathologist-verified reports
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Blood TestInfectionHome collection
QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) in Mumbai
QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) looks for evidence of infection - antigen, antibody or genetic material - to help confirm the cause of symptoms and guide treatment.
Also known as: QuantiFERON-TB Gold, IGRA, TB Blood Test
Sample
Blood
Fasting
Not required
Report in
24 hours
Collection
Free at home
- Pathologist-verified report
- 25% off - no hidden charges
- Age All ages
- Free home sample collection
- Reports within 24 hours
- Verified by a pathologist
Quick test summary
- Test name
- QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA)
- Sample
- Blood
- Sample type
- Venous blood (from a vein in the arm)
- Fasting
- Not required
- Report time
- 24 hours (next day)
- Home collection
- Available, free
- Test code
- HWP-T0297
What is the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA)?
The QuantiFERON-TB Gold (IGRA) test is a blood test used to detect infection with the tuberculosis (TB) bacterium. It’s an alternative to the traditional skin test (Mantoux/PPD) and isn’t affected by prior BCG vaccination, making it more specific in vaccinated populations like India.
Why is the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) done?
Ordered to screen for latent (inactive) or past TB infection, particularly before starting immunosuppressive treatment, as part of pre-employment health checks in certain settings, or to investigate suspected TB exposure.
It can help your doctor assess
Latent (inactive) or past TB infection - it does not distinguish between latent infection and active TB disease, which requires additional clinical evaluation.
Who may need this test?
This test may be considered for:
- People being screened before starting immunosuppressive medicines (like biologics or long-term steroids)
- Healthcare workers
- Anyone with known TB exposure
- Certain pre-employment or visa medical screenings.
Whether this test is right for you depends on your symptoms, medical history and the reason for testing - your doctor can advise.
What does this test measure?
The immune system’s interferon-gamma response to TB-specific antigens, indicating whether you have been infected with TB bacteria at some point.
IGRA
TB Screening
More specific than the traditional TB skin test since it isn’t affected by prior BCG vaccination, making it especially useful in countries where BCG vaccination is routine.
Understanding your QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) results
How to read your result
Your report should be read using the reference interval, unit and method shown by the performing laboratory. A result outside a reference interval does not automatically establish a diagnosis, and a result inside the interval does not rule out every health problem. Clinical interpretation depends on symptoms, history and other findings.
| Marker | Result | What it may be associated with |
|---|---|---|
| QuantiFERON-TB Gold | Positive | Indicates TB infection (latent or active) - further clinical evaluation, chest X-ray and symptoms assessment are needed to determine if the infection is currently active. |
If a result is outside the range
If the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) is reported as high, low, positive, negative or otherwise outside the laboratory's stated interval, the meaning depends on the specific test and the reason it was ordered. Your clinician may consider repeat testing, related investigations or other clinical information before deciding what the result means.
Limitations of this test
A positive result confirms TB infection at some point but cannot on its own tell whether the infection is latent (inactive) or active disease - that distinction needs clinical evaluation and imaging.
An abnormal result does not by itself mean you have a particular disease. Your doctor interprets results together with your symptoms, history and other tests.
QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) normal range
| Parameter | Reference range | Unit |
|---|---|---|
| QuantiFERON-TB Gold | Negative | — |
Typical adult ranges for guidance. Reference intervals vary with the laboratory method, age and sex - always read your result against the range printed on your own report.
How should I prepare for the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA)?
- No fasting is needed - you can eat and drink normally.
- Drink water as usual - being well hydrated makes the blood draw easier.
- Tell the collection team about any medicines and supplements you take.
- Do not stop prescribed medicines unless your doctor tells you to.
- Follow any additional instructions our team shares when you book.
How sample collection works
- 01
Book
Choose the test and a time slot online, or call us and we'll book it for you.
- 02
Prepare
Follow the preparation steps above for this test.
- 03
Sample collection
A trained phlebotomist collects the sample at your home - no extra charge.
- 04
Laboratory processing
Your sample is processed in our laboratory and reviewed by a pathologist.
- 05
Report
Your report is shared on WhatsApp and email, usually within 24 hours.
For a blood-based test, a small blood sample is collected by a trained healthcare professional, usually from a vein in the arm. The collection normally takes only a few minutes; mild temporary discomfort or bruising can occur at the puncture site.
What can affect the result?
Certain immune-suppressing conditions or medicines can occasionally cause an indeterminate result requiring a repeat test.
When should you talk to a doctor?
Laboratory results are interpreted together with your symptoms, medical history and other investigations. If your results are significantly abnormal, or you have symptoms that worry you, discuss them with a qualified doctor promptly.
Test details
- Test name
- QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA)
- Test code
- HWP-T0297
- Department
- Clinical Biochemistry
- Sample type
- Venous blood (from a vein in the arm)
- Fasting
- Not required
- Report time
- 24 hours (next day)
- Home collection
- Available across Malad, Kandivali, Borivali & Goregaon
- Price
- ₹2,899 (MRP ₹3,849, 25% off)
- Availability
- All days - lab open 24×7
References
Trusted public health sources for the information on this page:
- 1.What You Need to Know About Blood Testing - MedlinePlus (US National Library of Medicine)
- 2.Laboratory Tests - MedlinePlus (US National Library of Medicine)
- 3.How to Prepare for a Lab Test - MedlinePlus (US National Library of Medicine)
- 4.How to Understand Your Lab Results - MedlinePlus (US National Library of Medicine)
This information is for general awareness and does not replace advice from your doctor.
IGRA test price in Mumbai
The IGRA test cost in Mumbai at HWP Diagnostic is ₹2,899 - 25% less than the MRP of ₹3,849. There are no extra charges for home sample collection. The same price applies across Malad, Kandivali, Borivali and Goregaon.
| Test | QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) |
|---|---|
| Price at HWP Diagnostic | ₹2,899 |
| MRP | ₹3,849 (you save ₹950 - 25% off) |
| Home collection charge | Free |
| Report time | 24 hours |
| Fasting | Not required |
| Available in | Malad, Kandivali, Borivali & Goregaon (same price) |
IGRA test near me
Book the IGRA test with free home sample collection anywhere in Malad, Kandivali, Borivali and Goregaon, or walk in to our lab in Malad West, Mumbai - open 24×7.
- Gate No 7, Room 130, Plot 19, Opp. Mohammadiya Masjid, New Collector Compound, Malwani, Malad West, Mumbai - 400095
- Open 24×7 · reports in 24 hrs
- Book: 84250 40353
Home collection areas include
Malad WestMalwani & KharodiMalad EastKandivali WestKandivali EastBorivali WestGorai & Borivali WestIC Colony & MandapeshwarBorivali EastGoregaon WestBangur Nagar & Motilal NagarGoregaon EastAarey ColonyDahisarJogeshwari WestJogeshwari East
Directions on Google MapsIGRA full form
The full form of IGRA is QuantiFERON - TB Gold (Interferon - gamma release assay. It is also known as QuantiFERON-TB Gold, IGRA, TB Blood Test.
QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) near you
Home collection at the same price (₹2,899) across these areas, with our lab in Malad West open 24×7.
QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) in Malad400064, 400095, 400097QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) in Kandivali400067, 400101QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) in Borivali400092, 400091, 400103, 400066QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) in Goregaon400062, 400104, 400063, 400065QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) in Dahisar400068QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) in Jogeshwari400102, 400060
Included in 5 health packages
Get this test along with other important checks - usually for less than booking them separately.
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You Save ₹900Frequently asked questions
Do I need to fast for this test?
No fasting is required.
How is this different from the TB skin test?
Unlike the traditional skin test, this blood test isn’t affected by prior BCG vaccination, so it gives a more specific result in people who were vaccinated as children - very common in India.
Does a positive result mean I have active TB disease?
Not necessarily - it confirms TB infection but can’t distinguish latent (inactive, non-contagious) infection from active disease on its own. Your doctor will use a chest X-ray and symptom evaluation to clarify this.
What is the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA)?
QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) is a blood test. QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) looks for evidence of infection - antigen, antibody or genetic material - to help confirm the cause of symptoms and guide treatment.
Why is the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) done?
The QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) may be ordered when a healthcare professional needs information about the condition or health area assessed by this test. QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) looks for evidence of infection - antigen, antibody or genetic material - to help confirm the cause of symptoms and guide treatment. At HWP Diagnostic the sample can be collected free at your home in Malad and nearby Mumbai areas, and the report is usually shared within the same day or next day. Please carry or upload your doctor's prescription where the test needs one, and discuss the result with your doctor for a full interpretation.
What does the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) test measure?
QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) looks for evidence of infection - antigen, antibody or genetic material - to help confirm the cause of symptoms and guide treatment.
Who may need the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA)?
The test may be relevant for people whose symptoms, medical history, screening needs or treatment monitoring match the purpose of the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA).
How should I prepare for the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA)?
No special preparation is needed for this test.
Do I need to fast for the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA)?
No, fasting is not required for the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA). You can eat and drink normally unless your doctor has advised otherwise.
What sample is required for the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA)?
The QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) is done on a blood sample.
How is the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) sample collected?
For a blood-based test, a small blood sample is collected by a trained healthcare professional, usually from a vein in the arm. The collection normally takes only a few minutes; mild temporary discomfort or bruising can occur at the puncture site.
How long does the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) take to report?
Reports for the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) are usually ready within 24 hours of sample collection. You receive them on WhatsApp and email.
What is the price of the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA)?
The QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) costs Rs 1800 at HWP Diagnostic (MRP Rs 2400). Home sample collection is free.
How do I understand my QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) result?
Your report should be read using the reference interval, unit and method shown by the performing laboratory. A result outside a reference interval does not automatically establish a diagnosis, and a result inside the interval does not rule out every health problem. Clinical interpretation depends on symptoms, history and other findings.
What does a high or low QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) result mean?
If the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) is reported as high, low, positive, negative or otherwise outside the laboratory's stated interval, the meaning depends on the specific test and the reason it was ordered. Your clinician may consider repeat testing, related investigations or other clinical information before deciding what the result means.
Can a QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) diagnose a disease by itself?
The QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) can provide important information, but laboratory results are generally interpreted together with symptoms, medical history, examination and other investigations. A single result should not be treated as a diagnosis without clinical context.
Can medicines affect the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) result?
Some medicines, supplements, food, exercise and other pre-test factors can affect particular laboratory results. Tell the healthcare professional about medicines and supplements you take, and do not stop prescribed medicines unless your clinician tells you to.
Is the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) available for home collection?
Yes. Free home sample collection for the QuantiFERON - TB Gold (Interferon - gamma release assay (IGRA) is available across Malad, Kandivali, Borivali and Goregaon in Mumbai. You can also visit our Malad West lab, open 24x7.