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What are the tests for TB?

April 26, 2017TB tests

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What are the tests for TB?

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• The tuberculin skin test (TST), also called Mantoux skin test, shows if a person has been infected. • QuantiFERON- TB test is a blood based test for diagnosing latent tuberculosis (TB) infection (LTBI). However, it is not useful yet for many people and is not used frequently. • A chest x-ray is given if the Mantoux skin test shows that a person has been infected. The x-ray shows if any damage has been done to the lungs. • A sputum test shows if there are TB germs in a person’s lungs. Sputum is phlegm from deep inside the lungs.