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 ...

If you have experienced tuberculosis (TB) exposure or have symptoms, Medicare may cover a purified protein derivative (PPD) test. If you don’t have symptoms and haven’t experienced TB exposure, ...

A woman with a 2-month-old baby tested ppd-positive while she had been pregnant and received no treatment. What is the minimum age one can plant a tuberculin skin test on an infant? Although many ...

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 ...

A newly approved diagnostic test could give UK clinicians a more accurate way to identify latent and active tuberculosis (TB). The Medicines and Healthcare products Regulatory Agency (MHRA) has ...

In a recent study published in JAMA Network Open, researchers compared the performance of tuberculin skin test (TST) and interferon-γ release assays (IGRAs) in predicting tuberculosis (TB). Study: ...

The following scenario emphasizes the necessity of creating a wheal while administering the Mantoux test. A 46-year-old Asian man who recently immigrated to the United States was seen for routine ...

Q: Before starting school, I had to have a “PPD skin test” to check to see if I was ever exposed to tuberculosis. Why couldn’t I just have a blood test or chest x-ray? A: Actually, there is a blood ...