A blood or skin test can help healthcare professionals diagnose TB. If your skin test is positive or if you may have a false negative, a doctor may administer a blood TB test. The results of these ...

The vaccine can cause a false positive TB skin test reaction. TB blood tests are the preferred tests for people who have received the BCG TB vaccine. Unlike the TB skin test, TB blood tests are ...

Dear Dr. Roach: I had a tuberculosis (TB) skin test for my new job ... and extremely unlikely to be a false positive. One disadvantage is that the blood test is much more expensive than the ...

you will be treated with anti-tuberculosis medication. False-positive and false-negative results are possible. If your results are inconclusive, or your doctor thinks that the test may not be ...

The test is sometimes called a tuberculin skin test (TST ... if you have received the TB vaccine, the PPD can sometimes return a false-positive result.

especially if you are getting tested for TB infection because it can cause a false positive TB skin test reaction,” the CDC said. “TB blood tests are the preferred tests for people who have ...

Tuberculosis ... read the test results yourself," says Roess. When checked by a healthcare professional, "an induration on the skin of 15 millimeters or more is usually considered a positive ...

Medicare may cover the costs of a purified protein derivative (PPD) test if a person has symptoms or has been exposed to tuberculosis (TB). If not, Medicare will likely deny coverage as it would ...