TB and QuantiFERON Tests (Immunity & Titer)

TB Blood Testing and health information

Do you have a cough that won’t go away? Are you feeling tired all the time? - Order a TB blood test to identify a tuberculosis infection with the QuantiFERON-TB Gold Plus test from Ulta Lab Tests.

If so, it could be tuberculosis. TB is an infectious disease caused by bacteria called Mycobacterium tuberculosis. It usually affects your lungs but can also affect other parts of your body, such as your kidneys, spine, and brain. TB is spread through the air when a person with active TB in their lungs or throat coughs or sneezes around others who are nearby. Symptoms include fever, chills, night sweats, and weight loss. You may not feel sick for months or years after being exposed to someone with active TB ... See more


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Tuberculosis (TB) is a bacterial infection that is caused by Mycobacterium Tuberculosis and is a highly infectious disease. The bacteria primarily target the lungs but can affect other areas of the body, such as the central nervous system, urinary tract, bones, joints, and other bodily organs. A blood test called the Interferon Gamma Release Assay (IGRA) measures the immune response to antigens that are derived from the bacteria in order to screen for TB.

TB may either result in an active, progressive disease or inactive (latent) infection. In about 90% of people who have been infected, the immune system can control the spread of the disease and restrict it to just a few cells in the body. While the bacteria in these cells are inactive, they are still alive. This is referred to as an inactive or latent TB infection, and the person will present with none of the symptoms of TB and cannot ... See more