Ten years ago, a colleague’s purified protein derivative (PPD) test was read by several physicians as being positive at 13-mm induration. Disturbed by the results, we tried testing with PPD again. The ...
Tuberculosis, or TB, is a disease that infects nearly 11 million people worldwide, killing some 1.25 million of them every year, per data from the World Health Organization. A person infected with the ...
Medicare Part B may cover the costs of a purified protein derivative (PPD) test if your healthcare professional deems it necessary to diagnose tuberculosis (TB) due to existing symptoms. A PPD test ...
The Mantoux test during pregnancy is a simple skin test that checks if your body has ever come into contact with tuberculosis (TB) bacteria. TB, caused by Mycobacterium tuberculosis, spreads through ...