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 ...

The purified-protein-derivative (PPD)-based tuberculin skin test (TST) that is most commonly used to detect latent tuberculosis infection is dependent on normal T-cell function. Patients with ...

In this episode we are joined by Hema Kapoor, MD, SM, D(ABMM), Senior Medical Director of Infectious Diseases/Immunology and Global Diagnostics Network, Medical Affairs at Quest Diagnostics, to ...

Two tests are currently available to assist with the diagnosis of tuberculosis: tuberculin skin tests, or TSTs, and an interferon-gamma release assay, or an IGRA blood test. Compared with TSTs, which ...