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 ...

WILMINGTON, N.C.--(BUSINESS WIRE)--PPD, Inc. (Nasdaq:PPD) has expanded its laboratory test portfolio by adding five new molecular, serology and functional assays designed expressly for COVID-19 ...

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 ...