Test showed 100% specificity, with no false-positive results in the cohort, at both 3- and 5-year follow-up, and sensitivity ...

Study published in JAMA Network Open of over 193,000 patients nationwide reveals that individuals with evidence of exposure to Borrelia burgdorferi, the bacterium that causes Lyme disease, are more ...

75% of registered voters surveyed call diagnostic testing "very important" to their care, and a bipartisan majority wants Congress to pass the RESULTS Act before additional Medicare cuts are scheduled ...

Coming later this year, Apple Health app users will be able to conveniently and securely purchase and receive results of Quest's biomarker lab testing directly in the app SECAUCUS, N.J., Sept. 9, 2026 ...

Risk more than doubled when hemoglobin A1C levels increased from 5.0% to 5.7%, a range typically considered normal or healthy A well-established marker of diabetes may signify heightened risk of heart ...

Individuals in the U.S. can now add Humanity Biological Age’s lab-informed insights to select health profile tests purchased through Quest’s consumer-initiated testing platform LONDON, August 25, 2026 ...

Quest also launching a new multi-biomarker AD-Detect® lab-developed blood test with low 10% indeterminate rate, so more patients can receive an actionable insight Adding the FDA-cleared Elecsys ...

In June, researchers from Quest Diagnostics published findings of a national study in The Journal of Clinical Endocrinology and Metabolism (JCEM), the leading clinical journal of the Endocrine Society ...

Represents estimated pre-tax charges of $21 million primarily associated with workforce reductions and integration costs incurred in connection with further restructuring and integrating our business.

Hair test positivity among American workers reached 19.1% in 2025, potentially reflecting recurring or chronic drug use 15.1% of workers screened for drugs using a hair test were positive for ...

American Oncology Network (AON) and other community oncology providers launching now as part of a pilot program that provides access to Haystack MRD SECAUCUS, N.J., July 8, 2026 /PRNewswire/ -- Quest ...

SECAUCUS, N.J., June 18, 2026 /PRNewswire/ -- A common bacterial strain that lives naturally in people's guts can cause a dangerous or deadly infection for some, especially when it becomes ...