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
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Quest Diagnostics Incorporated (NYSE: DGX), a leader in diagnostic information services, announced today that it will report first quarter 2026 financial results on Tuesday, April 21, 2026, before...

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Quest Diagnostics Incorporated (NYSE: DGX), a leading provider of diagnostic information services, today announced that its board of directors has elected Timothy (Tim) Wentworth, a highly...

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New feature based on Google's Gemini seamlessly analyzes up to five years of personal lab data to help explain results and uncover potential health risks SECAUCUS, N.J., March 2, 2026 /PRNewswire/...

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Quest Blog - Empowering better health with diagnostic insights.
Media Coverage
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Healthcare Finance News
Several large healthcare organizations have announced they have signed on to Google Cloud for Gemini-powered AI agents for patient engagement, improved workflows, revenue cycle capabilities and easier-to-read lab results. At HIMSS26, Google Cloud will show how agentic AI can lead healthcare organizations from siloed data entry to automated results. Quest Diagnostics, which offers diagnostic information services, has announced Quest AI Companion, a new AI-powered chat feature that helps individuals understand Quest laboratory test results. Through the app and portal MyQuest, individuals can ask questions about their test results and receive explanations in a HIPAA-compliant solution.
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Fierce Biotech
Quest Diagnostics is launching a chatbot tailored for laboratory test results as it seeks to allow patients the ability to come to terms with their findings and perform deeper dives on their own health. The Quest AI Companion can probe data from patients’ labs for up to five years in order “to help explain results and uncover potential health risks,” according to a March 2 statement.

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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 [email protected]