"Quest's AD-Detect suite of advanced diagnostics has grown to include a range of validated blood-based biomarkers, giving providers options for personalizing testing for the individual patient," said ...

Quest Diagnostics may be the preferred lab your health insurance, doctors, or specialists use for blood work or other samples. We’re reviewing its sub-brand Quest Health, from which you can order your ...

SECAUCUS, N.J., Feb. 2, 2026 /PRNewswire/ --Quest Diagnostics (NYSE: DGX), a leading provider of diagnostic information services, today announced the launch of a novel blood test that uses advanced ...

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 ...