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 ...

The Quest Diagnostics Foundation today announced an expanded collaboration with Green Bronx Machine (GBM), a transformational educational nonprofit helping students and teachers turn classrooms ...