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

Quest Diagnostics works across healthcare to create a healthier world, one life at a time. We connect people, from clinicians to consumers, with laboratory insights that illuminate a path to better health. With a focus on delivering smarter, simpler testing, we help reveal new avenues to identify and treat disease, empower healthy behaviors and improve healthcare management. Quest Diagnostics serves half the physicians and hospitals in the United States and one in three American adults each year, and our nearly 57,000 employees work together to deliver diagnostic insights that inspire actions to transform lives.

Latest News
09092026

Coming later this year, Apple Health app users will be able to conveniently and securely purchase and receive results of Quest's biomarker lab testing directly in the app SECAUCUS, N.J., Sept. 9, 2026

08252026

Individuals in the U.S. can now add Humanity Biological Age’s lab-informed insights to select health profile tests purchased through Quest’s consumer-initiated testing platform LONDON, August...

08252026

Quest Diagnostics Incorporated (NYSE: DGX), a leader in diagnostic information services, announced that Jim Davis, Chairman, CEO and President, will speak on the company's strategy, performance...

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Newsroom

Media Coverage
09112026
Modern Healthcare
Labcorp and Quest Diagnostics see solid growth on the horizon for laboratory companies as health systems try to blunt financial headwinds and patients seek more on-demand services. After acquiring lab assets from systems such as Minneapolis-based Allina Health, Columbus, Ohio-based OhioHealth, Franklin, Tennessee-based Community Health Systems and Fort Wayne, Indiana-based Parkview Health, the two dominant national commercial laboratory companies have set their focus on broadening test menus and direct-to-patient offerings.
09102026
Medical Laboratory Observer
Quest Diagnostics announced that Apple Health app users across most of the United States will be able to conveniently purchase a tailored Quest laboratory test panel that includes over 50 biomarkers directly through the app on iPhone and iPad later this year. The Quest laboratory panel is designed to deliver preventive health insights and includes biomarkers for assessing cardiometabolic health and organ function.

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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...

Quest provides thousands of laboratory tests, ranging from advanced genomic tests for cancer and rare diseases to routine preventive tests for heart disease, diabetes and other chronic conditions. Our medical and scientific staff consists of over 700 M.D.s and Ph.Ds. We maintain approximately 7,700 patient access points, including approximately 2,000 Quest patient service centers, and a logistics team with over 4,000 courier vehicles and nearly 20 aircraft in the United States.

Media Resources

Journalists may contact Quest Diagnostics by emailing mediacontact@questdiagnostics.com