Quest and Labcorp may be archrivals in the diagnostic testing market, but they appear to agree on at least one thing: the ...

Quest Diagnostics recently unveiled a suite of advanced diagnostics and support services designed to broaden access to lab tests for transplants. Quest hopes to improve testing compliance among ...

Myriad Genetics ($MYGN) is fighting back hard against rival Quest Diagnostics' ($DGX) decision to launch a new, cheaper BRCA test that challenges its own offerings ...

In an oral presentation at the 2025 AAN Annual Meeting, Quest scientists presented data suggesting the test can accurately assess Alzheimer's disease pathology with greater than 90% sensitivity and ...