A purified protein derivative (PPD) skin test is a test that determines if you have tuberculosis (TB). TB is a serious infection, usually of the lungs, caused by the bacteria Mycobacterium ...

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 ...

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 ...

A tuberculosis (TB) skin test is the first method a doctor may use to try to determine if a person has TB. A TB skin test involves injecting a person with a small amount of tuberculin to see how the ...