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

Adults across the country can now access comprehensive virtual preventive care without visiting a doctor's office through the new Comprehensive Health Profile from QuestDirect™ the...


Quest Diagnostics (NYSE: DGX), the world's leading provider of diagnostic information services, today announced that it has entered into a definitive agreement to acquire Pack Health in an...


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...

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Quest Blog - Empowering better health with diagnostic insights.
Media Coverage
Modern Healthcare
Quest Diagnostics will acquire the patient engagement company Pack Health, the organizations announced. "Quest Diagnostics and Pack Health have complementary capabilities that, when combined, will strengthen our ability to help health plans and other risk-bearing organizations deliver value-based care," Dermot Shorten, senior vice president of strategy, mergers and acquisitions, and ventures at Quest Diagnostics, wrote in an email.
Clinical Lab Products
Harvey Kaufman, MD, MBA, senior medical director at Quest Diagnostics, led a study for the company examining the impact of COVID-19 on prostate cancer screening and diagnoses. The results of the study are part of Quest Diagnostics Health Trends, which he has been involved with since it began in 2005 and now leads. CLP sat down with Kaufman prior to the Omicron surge to discuss the findings of the study and about the future of diagnostic testing in general.

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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