Quest Diagnostics Newsroom - Company Information Quest diagnostics offers a comprehensive menu of routine and specialty laboratory tests and services. With the consolidated capabilities of our regional laboratories, expanding international presence and the additional esoteric capabilities of Nichols Institute, we are able to offer unequaled convenience in utilizing one laboratory for all diagnostic and prognostic clinical testing needs. Healthcare Information Technology <p>Quest Diagnostics empowers healthcare organizations and clinicians with state-of-the-art health information technologies that help improve patient care and practice management. We provide...</p> Employer Solutions <p>Quest Diagnostics provides several solutions to employers. We are a leading provider of both pre-employment drugs-of-abuse screening for employers. Our Drug Testing Index (DTI), an aggregated...</p> Clinical Trials <p>Quest Diagnostics is a world leader in supporting clinical trials of new pharmaceuticals and companion diagnostics. We provide clinical trials through our advanced clinical laboratories in the...</p> Diagnostic Information Services <p>Offers physicians a test menu that is industry leading in breadth and innovation. Our test menu ranges from routine biological tests to complex and specialized molecular and gene-based testing as...</p>