quantiferon tb gold Test

Gamma Interferon

Home Pickup

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clinical definition of quantiferon tb gold

QuantiFERON TB Gold test is a basic blood test that helps in the detection of the Mycobacterium tuberculosis which is responsible for causing tuberculosis. The QuantiFERON also called QFT, is an interferon – gamma release assay (IGRA) and is now used as an alternative to the tuberculin skin test (TST, PPD or Mantoux).

Unlike TST, QuantiFERON TB Gold test is a controlled laboratory test and is unaffected by earlier Baccile Calmette – Guerin (BCG) infection. The QuantiFERON TB Gold test is also more specific and sensitive than tuberculin skin test.

quantiferon tb gold test result interpretation

A positive response to the QuantiFERON Tb Gold Test indicates towards the infection with the Mycobacterium tuberculosis. Although it does not mean that the person has active TB, rather it simply means that the person has been exposed to the mycobacterium tuberculosis bacterium. 

QuantiFERON is unable to distinguish between active tuberculosis disease and latent tuberculosis infection and as such the Quantiferon gold test is used in conjunction with risk assessment, radiography and other medical and diagnostic evaluations.

when do you expect results?

The QuantiFERON tb gold test report can be made available within 24 to 36 Hours.


why get tested?

The Quantiferon-TB Gold test (QFT-G) is a whole-blood test that helps in detecting Mycobacterium tuberculosis infection, latent tuberculosis infection (LTBI) and tuberculosis (TB) disease.


reason to take quantiferon tb gold test

The varied symptoms that are observed and associated and prompt for Quantiferon TB Gold Test are as follows: 

  • Unexplained weight loss
  • Fatigue
  • Fever
  • Night sweats
  • Chills
  • Loss of appetite
  • Prolonged and Persistent cough
  • Blood in sputum
  • Painful breathing
  • Painful coughing

In severe cases of tuberculosis that spreads in the lungs has the following symptoms:

  • Chest pain
  • Coughing up blood
  • Prolonged cough for more than three weeks

preparations needed for quantiferon tb gold test

No Fasting Required.

No other special preparations required.

sample required?

Specimen type: Serum (Blood Sample)

Specimen collection procedure: Venipuncture - Collection of blood from a vein, usually from the arm.

quantiferon tb gold test positive treatment

The quantiFERON TB gold Test positive treatment includes the following steps;

  • Special medication prescribed for the period of 6 to 9 months.
  • Use of gamma interferon therapy to monitor the treatment of tuberculosis. 
  • The treatment is a long procedure owing to the slow growth of the M. Tuberculosis bacteria and also takes a lot of time to kill the bacteria.
  • Doctors can change the medication in course of the treatment in response to the emergence of drug resistant organisms.

quantiferon tb gold test price

The Quantiferon Tb Gold Test Price are bit costly but, it is more specific and highly sensitive compared to other TB tests. Plus the help it provides in the early detection and thereby early treatment for TB far outweighs its cost.

how can we help?

The QuantiFeron TB Gold test is a simple blood test that involves giving a small sample of blood in a pathological process. Now, these minor procedures can be done at the comfort of one’s home only.

All one has to do is give us a call and our representative healthcare professional will visit him at home at a time and day of his preference. Our representative would collect the blood sample in the most hygienic manner and use standard procedures. Not only that we would also home deliver the quantiFERON TB Gold test report at the person’s home.

We offer fully certified and highly reliable lab tests that too at the comfort of a person’s home. So if you need to get QuantiFERON TB Gold Test, then just call us to avail the benefits of at – home healthcare services.

Understanding results ofQuantiferon TB Gold

Reference RangeInterpretation
Above 0.35 IU /mlPositive

‘*A Reference range is a set of values which helps the healthcare professional to interpret a medical test. It may vary with age, gender, and other factors. Reference ranges may also vary between labs, in value & units depending on instruments used and method of establishment of reference ranges’