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Interferon gamma release assay (IGRA)

Interferon gamma release assay (IGRA) measures the amount of interferon-gamma your white blood cells release after exposure to specific tuberculosis (TB) proteins. Book Interferon gamma release assay (IGRA) in Telibagh, Lucknow at GetVisit, NABL labs in Telibagh and Gomti Nagar, home collection, same-day results and cashless OPD.
What is a Interferon gamma release assay (IGRA) Test in Lucknow ?
What is Interferon gamma release assay (IGRA)?
Interferon gamma release assay (IGRA) measures the amount of interferon-gamma your white blood cells release after exposure to specific tuberculosis (TB) proteins. It checks whether your immune system has been sensitized to TB bacteria.
What does Interferon gamma release assay (IGRA) measure?
This matters because it helps identify latent TB infection and supports evaluation for active TB when used with other tests. Doctors use IGRA for screening after TB exposure, for people starting immunosuppressive drugs, and for high-risk workers or travelers. A positive test suggests TB infection. A negative test usually means no immune evidence of TB, but recent exposure or weakened immunity can cause false negatives.
What symptoms suggest Interferon gamma release assay (IGRA) may be needed?
A doctor may recommend Interferon gamma release assay (IGRA) when a patient reports sudden fever (above 38.5°C), body aches and chills, persistent headache, nausea or vomiting, abdominal pain, skin rash, joint pain, and extreme fatigue. GetVisit makes testing convenient in Lucknow, with lab slots and home collection in Charbagh, Alambagh, and nearby areas.
How is Interferon gamma release assay (IGRA) performed?
Whether you visit a walk-in lab in Charbagh or book home collection in Alambagh, Lucknow, the process is the same. A trained phlebotomist performs a brief, sterile venipuncture, barcodes the sample for tracking, and dispatches it to the NABL lab. Your digital report is available in the GetVisit app the same day for most blood tests.
How accurate is Interferon gamma release assay (IGRA)?
Results are analytically reliable because GetVisit's Lucknow logistics network maintains proper cold-chain transport from your Charbagh or Alambagh collection point to the processing lab, preserving sample integrity. NABL independently audits quality control at regular intervals.
Are there any risks to Interferon gamma release assay (IGRA)?
A blood draw for Interferon gamma release assay (IGRA) is very safe. Occasionally there is minor bruising or light-headedness; sitting for a couple of minutes afterwards at the Charbagh or Alambagh, Lucknow collection point usually prevents this.
Did you know?
An interferon-gamma release assay (IGRA) is a blood test that detects immune sensitization to Mycobacterium tuberculosis by measuring interferon-gamma released by T cells after exposure to TB-specific antigens.
Interferon gamma release assay (IGRA) Test Preparation in Lucknow
Fasting and diet:
No special diet or fasting is needed. Carry on normally; just stay hydrated and avoid alcohol the night before.
Medication:
Tell the collection staff about any prescription medicines, supplements, or herbal products you're using, and keep taking them unless advised otherwise.
What to bring:
Keep your prescription and ID handy, along with your OPD insurance details if applicable. Wear sleeves that roll up easily.
Timing and slots:
Choose a morning slot for the most consistent results. Same-day home collection is offered throughout Lucknow, Aliganj and Charbagh included.
Interferon gamma release assay (IGRA) Test Parameters in Lucknow
Single standalone test:
Interferon gamma release assay (IGRA). Can be ordered individually or as part of a preventive health package on GetVisit.
Why Take a Interferon gamma release assay (IGRA) Test in Lucknow ?
When does a doctor order Interferon gamma release assay (IGRA)?
Interferon gamma release assay (IGRA) is used in TB screening panels for people with TB exposure risk or before immunosuppressive therapy. Doctors order it for symptoms like persistent cough, fever, night sweats, weight loss, or known contact with TB.
Who should get Interferon gamma release assay (IGRA) done in Lucknow?
Lucknow faces a seasonal monsoon rise in dengue, typhoid, and waterborne infection, with older, densely populated areas such as Aminabad, Chowk, and Alambagh most affected. Water quality varies during the monsoon, making prompt testing important. Anyone with fever or flu-like illness in Lucknow, especially during and after the monsoon, benefits from prompt Interferon gamma release assay (IGRA) testing, as do travellers returning from endemic areas and people caring for someone already infected. Residents of Gomti Nagar, Vibhuti Khand, and flood-prone localities face higher seasonal exposure to mosquito- and water-borne infections.
What conditions can Interferon gamma release assay (IGRA) help diagnose?
It helps detect latent or active TB. Abnormal results usually indicate TB infection; weakened immunity, recent exposure, or some medicines can change accuracy. A family TB history raises testing importance.
What do Interferon gamma release assay (IGRA) results mean?
Higher or positive results: A positive IGRA means you likely have been infected with Mycobacterium tuberculosis but does not distinguish latent from active disease. Your doctor reads the value against the reference range on your report and your symptoms, and may repeat a borderline result to confirm it.
How often should Interferon gamma release assay (IGRA) be repeated?
Infection tests are ordered when symptoms are present rather than on a fixed schedule. Repeat testing may be needed to confirm recovery, to check clearance after treatment, or if fever recurs. During Lucknow's monsoon fever season, prompt retesting is advised for any new febrile illness.
What happens after Interferon gamma release assay (IGRA) results are ready?
Results are delivered to your phone and stored securely on GetVisit. Any value the laboratory flags as critical is escalated for urgent review, and for everything else your doctor or a verified specialist can guide the next step at your convenience.
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Thank you, Rinku. I appreciate your help during my visit. The hospital staff were courteous and professional. Overall, a very good experience!
Vijay Bisht was friendly, helpful, and made our home test process seamless. Grateful for his timely support and follow-up.
A big thank you to Shikhar from the Visit app for going above and beyond to arrange a last-minute appointment during an urgent situation. His seamless coordination truly made a difference.
A clean facility enhances experience. Quick checkups are a plus. Miss Rinku from Aditya Birla Health Insurance provided excellent service and handled our files well.
“The service was excellent—she was helpful, efficient, and made my recovery smooth and stress-free. Her support made a real difference.”
“Thank you, Shared Gupta, for the great support with my reimbursement claims and Wipro health packages. Truly appreciated!”
Thank you, Rinku. I appreciate your help during my visit. The hospital staff were courteous and professional. Overall, a very good experience!
I want to share my feedback on the help I received for my health checkup. I was happy with the guidance and support. Thank you for your assistance; it made the experience stress-free.
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Hi Aniket, Annu, Mayur, I appreciate Shikhar's support in organizing clinic appointments for my child at odd hours. It's a sensitive matter for any parent, and I'm thankful for his understanding.
I want to share my feedback on the help I received for my health checkup. I was happy with the guidance and support. Thank you for your assistance; it made the experience stress-free.
Huge shoutout to Shikhar from the Visit app! He has been incredibly supportive during emergencies — always responsive and ready to help. Truly impressed by his dedication and calm efficiency.
“I connected with the concierge team today and spoke with Vijay—he was helpful and made a real effort to address my concerns.”
I appreciate Shreshta's outstanding support. She kept me updated on my medicals after hours and ensured everything went smoothly. Her proactive communication and care made a big difference.
“Grateful to Shikhar for finding a cataract specialist at a convenient time and ensuring a smooth experience. A true asset to the Visit team!”
Hi Aniket, Annu, Mayur, I appreciate Shikhar's support in organizing clinic appointments for my child at odd hours. It's a sensitive matter for any parent, and I'm thankful for his understanding.