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

Salud Integral en la Montaña, Inc., (SIM) will expand its range of primary medical care with the first Post COVID-19 Care Clinic in Puerto Rico. In this clinic, patients will have access to a...


Quest Diagnostics Incorporated (NYSE: DGX), the world's leading provider of diagnostic information services, announced today financial results for the second quarter ended June 30, 2021. "We had...


CLX Health, developer of cloud-based solutions to manage the COVID-19 testing ecosystem with their TrustAssure™ Global Network, today announced a collaboration with Quest Diagnostics (NYSE:...

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Quest Blog - Empowering better health with diagnostic insights.
Media Coverage
Tampa Bay Times
The coronavirus pandemic has revealed and exacerbated the health and healthcare disparities that have long affected underserved communities. Those who suffer from chronic illnesses may have delayed or stopped testing and treatment during the pandemic. That’s why Quest Diagnostics is teaming up with former Tampa Bay Buccaneer Warrick Dunn and several Tampa Bay nonprofits to provide free health services to those 18 and older.
Almost everyone expected 2020 would be a difficult year for substance abuse. On Wednesday, the Centers for Disease Control released the latest drug overdose death statistics showing not only the scope of the addiction crisis but the prevalence of fentanyl in illicit drug fatalities. Dr. Jeff Gudin, a senior medical adviser in drug monitoring and toxicology for Quest Diagnostics, started noticing a worrying trend of polysubstance abuse pick up in the spring of 2020 while monitoring the results of drug tests.

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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