Quest Diagnostics empowers people to take action to improve health outcomes.
Company Overview

Quest Diagnostics empowers people to take action to improve health outcomes. Derived from the world's largest database of clinical lab results, our diagnostic insights reveal new avenues to identify and treat disease, inspire healthy behaviors and improve health care management. Quest annually serves one in three adult Americans and half the physicians and hospitals in the United States, and our 47,000 employees understand that, in the right hands and with the right context, our diagnostic insights can inspire actions that transform lives.


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Latest News

Ginkgo Bioworks ("Ginkgo") today announced a collaboration with Quest Diagnostics (NYSE:DGX) to provide COVID-19 Kindergarten through Senior (K-12) school testing services to support classroom...


Our Media Statement about COVID-19 Testing This is an evolving situation. Please check back to this page periodically for the latest information For more information, members of the media may...


Quest Diagnostics Incorporated (NYSE: DGX), the world's leading provider of diagnostic information services, announced that it is scheduled to speak at the BofA Securities 2021 Virtual Healthcare...

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Quest Blog - Empowering better health with diagnostic insights.
Media Coverage
MedCity News
Preventive tests fell sharply in the early weeks of the pandemic. Although they've started to rebound, many patients remain undiagnosed or face waits for office visits. To combat this, several insurers sent at-home colon cancer screenings kits to patients who were due for their exam. Last month, Quest Diagnostics rolled out a similar type of at-home screening. The company made its first bet in consumer-directed testing long before the start of the pandemic, when it launched an at-home STD test in 2019.
Contemporary OBGYN
Prescription and illicit drug testing rates declined during the COVID-19 pandemic in 2020, according to a study published in the journal Population Health Management. Harvey W Kaufman, MD, MBA, FCAP, senior medical director, information ventures and office of chief medical officer at Quest Diagnostics conducted the study along with colleagues.

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Quest Diagnostics Health Trends™

Quest Diagnostics Health Trends™ is a series of reports from Quest Diagnostics on health conditions affecting a large number of Americans. Published in peer-reviewed journals, at scientific conferences and widely as a public service, the reports are designed to inform health care professionals, patients and policymakers about the status of the nation’s health.


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At A Glance...

More than 6,600 patient access points, the most extensive network in the U.S., including phlebotomists in physician offices and more than 2,250 of our own patient service centers. A medical and scientific staff of more than 600 M.D.s and Ph.Ds. Logistics capabilities, that include approximately 3,750 courier vehicles and 25 aircraft that collectively make tens of thousands of stops daily.

Media Resources

Journalists may contact Quest Diagnostics by emailing