QuantiFERON (QFT) is an interferon-γ release assay (IGRA) that aids in the evaluation of tuberculosis (TB) infections (latent or active) 1 and is recommended by the CDC as an …

The QuantiFERON TB test is a reliable blood test for detecting tuberculosis infection. Using IGRA technology, it measures the immune response to TB with a single visit.

Apr 17, 2025 · CDC recommends testing people who are at increased risk for TB infection. People with symptoms of TB disease or positive TB blood test or TB skin results should be …

This test is an in vitro diagnostic aid that measures a component of cell-mediated immune reactivity to M. tuberculosis. The test is based on the quantification of interferon-gamma (IFN …

Jul 20, 2025 · Explore the QuantiFERON-TB Gold test, a precise blood analysis that identifies a tuberculosis infection by measuring your specific immune cell response.

The QuantiFERON ® -TB Gold Plus assays are optimized with tuberculosis-specific antigens that elicit both CD8+ and CD4+ T-cell responses—enabling a more comprehensive assessment of …

The QuantiFERON®-TB Gold test (QFT-G) is a whole-blood test for use as an aid in diagnosing Mycobacterium tuberculosis infection, including latent tuberculosis infection (LTBI) and …

QuantiFeron is a blood test to detect TB germs in your body. Though not 100% accurate, it is more accurate than the skin test. Sometimes other germs in your body which are not TB …

Jan 31, 2025 · If you have a positive TB blood test result, you have TB germs in your body. Your health care provider will do other tests to determine if you have inactive TB or active TB disease.

A negative test means that a TB infection (either active or inactive) is unlikely. If you have a negative test and are having symptoms of a TB infection or at high risk due to immune …