List of Major League Baseball batting champions - Key. 1  L Recognized major leagues include the current American and National Leagues and several defunct leagues â the American Association, the Federal League, the Players' League, and the Union Association.
The tuberculosis (TB) blood test, also called an Interferon Gamma Release Assay or IGRA, is a way to find out if you have TB germs in your body. The TB blood test can be done instead of a TB skin test (Mantoux). âpositiveâ TB blood test result means you probably have TB germs in your body. Most people with a positive TB blood test have latent TB infection. To be sure, your doctor will examine you and do a chest x-ray.
Skin Test. The tuberculin skin test, or TST, is the most common way to test for TB exposure. The test is performed on the forearm by injecting tuberculin into the skin. It will cause a welt 6 mm to 10 mm in diameter, which means the tuberculin was properly injected. You then have to wait at least 48 hours for the results.