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

Physicians in the United States can now order the liquid biopsy-based Target Selector™ NGS Lung Panel test directly from Quest Diagnostics (NYSE: DGX), the nation's leading provider of...


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 (NYSE: DGX), the world's leading provider of diagnostic information services, today announced that its Board of Directors declared a quarterly cash dividend of $0.62 per share,...

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Quest Blog - Empowering better health with diagnostic insights.
Media Coverage
Physician's Weekly
At the beginning of the pandemic, patients nationwide canceled doctor’s visits for a range of medical issues as public health authorities recommended delaying non-urgent in-person medical care. During this time, clinical drug testing by Quest Diagnostics plummeted by 70%, while contributors to substance use disorders like job loss, economic hardship, and mental health issues soared.
Those lucky enough to be traveling to Hawaii for the holidays are required to get a pre-travel COVID-19 test prior to departure to avoid being required to quarantine upon arrival. Secaucus-based Quest Diagnostics says it can help in that effort. Quest was recently named a trusted lab partner for COVID-19 testing services by the state of Hawaii for its Trusted Testing and Travel Partners Program.

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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