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 Launches the First Annual "Know Your Health" Survey to Inspire Americans to Take Control of Their Well-being in 2023 SECAUCUS, N.J., Jan. 23, 2023 /PRNewswire/ -- The consumer-initiated...


Quest Diagnostics Incorporated (NYSE: DGX), the world's leading provider of diagnostic information services, announced that it will report fourth quarter and full year 2022 financial results on...


Marks 1-Year since Quest Diagnostics Announced Plans to Acquire Pack Health to Extend Digital Engagement and Coaching Services to Health Plans, Employers and Life Sciences Companies BIRMINGHAM, Ala.,

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Quest Blog - Empowering better health with diagnostic insights.
Media Coverage
Anyone who has had medical tests performed likely knows about Quest Diagnostics. The Secaucus-based company is perhaps the most prominent testing company in the world. For this edition of NJBIZ Conversations, Wendi Mader – Quest’s vice president of the commercial employer channel – talks about what it was like to play that role and discusses how she and her staff continue to help businesses identify and mitigate health risks faced by their employees.
Birmingham Business Journal
Pack Health, a Quest Diagnostics company, has unveiled plans to nearly double the space of its headquarters in Birmingham and add at least 200 full-time employee positions. The project is based on economic development incentives from the state of Alabama in recognition of the public benefits accruing from the expansion of Pack Health's landmark Birmingham facility.

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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