Quest Diagnostics, the world's leading provider of diagnostic testing, information and services, has unveiled its redesigned corporate website at www.QuestDiagnostics.com.

The percentage of employees in the general U.S. workforce testing positive for fentanyl in random drug tests far exceeded those in pre-employment testing, according to the 2025 Quest Diagnostics Drug ...

Quest Diagnostics (NYSE: DGX), a leading provider of diagnostic information services, today announced an advanced ...

--Quest Diagnostics, the nation's leading provider of diagnostic information services, today announced that its Board of Directors, as part of its ongoing leadership succession planning, has ...

Quest Diagnostics Incorporated DGX recently entered into an agreement with telehealth company eMed in the field of COVID-19 testing. The deal with eMed, which has a digital-point-of-care solutions ...

Quest Diagnostics, the world's leading provider of diagnostic information services, today announced CogniSense, a digital cognitive assessment tool that aids in a physician's assessment, diagnosis ...

SECAUCUS, N.J., April 21, 2020 /PRNewswire/ -- Quest Diagnostics (NYSE: DGX), the world's leading provider of diagnostic information services, today announced that it has begun to perform antibody ...