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

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 $0.66 per share,...


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...


DALLAS, August 5, 2022 — The American Heart Association, the world’s leading nonprofit organization focused on longer, healthier lives for all, is committed to addressing the lack of diversity...

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Quest Blog - Empowering better health with diagnostic insights.
Media Coverage
Clinical Lab Products
Quest Diagnostics is launching a multi-faceted initiative to provide better healthcare among America’s large and growing Hispanic community. The new initiative, “Es Tu Poder,” is being launched in San Antonio, Houston, Austin, Rio Grande Valley, and other communities with large Hispanic populations in the Southwest, is designed to empower better health for Hispanics. The initiative includes the launch of a new microsite, Es Tu Poder, reminding patients that good health is within their power.
In a Healio video exclusive, Harvey Kaufman, MD, senior medical director at Quest Diagnostics, highlighted the need for concurrent hepatitis B and latent tuberculosis testing to mitigate the risk for drug-induced liver injury.

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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