Fact Sheet

Quest Diagnostics works across the healthcare ecosystem to create a healthier world, one life at a time. We provide diagnostic insights from the results of our laboratory testing to empower people, physicians and organizations to take action to improve health outcomes. Derived from the world's largest database of de-identifiable clinical lab results, Quest's diagnostic insights reveal new avenues to identify and treat disease, inspire healthy behaviors and improve healthcare management. Quest Diagnostics annually serves one in three adult Americans and half the physicians and hospitals in the United States, and our nearly 50,000 employees understand that, in the right hands and with the right context, our diagnostic insights can inspire actions that transform lives and create a healthier world.

• Generated 2023 revenues of approximately $9.25 billion
• Publicly trades common stock on the New York Stock Exchange (NYSE: DGX). More in Investor Relations
• Ranks as a component of the S&P 500
• Touches the lives of one-third of American adults each year
• Serves approximately half of the physicians and hospitals in the U.S
• Access to approximately 90% of U.S. insured lives
• Engages workforce of nearly 50,000 employees dedicated to putting patients first every day
• More than 7,400 patient access points, the most extensive network in the U.S.,
  including phlebotomists in physician offices and approximately 2,000 of our own patient service centers and mobile phlebotomy services
• A medical and scientific staff of approximately 700 M.D.s and Ph.D.’s
• Logistics capabilities that include approximately 4,500 courier vehicles and 19 aircraft that collectively make more than 70,000 stops daily
• Offers physicians a test menu that is industry leading in breadth and innovation.  Our test menu ranges from routine biological tests to complex and specialized molecular and gene-based testing as well as anatomic pathology 
• Provides a broad range of solutions for employers, including workplace drug testing for employers and government agencies; the Blueprint for Wellness employee wellness service; and risk assessment services for the life insurance industry
• Publishes original research in peer reviewed publications, at medical and scientific conferences, and as a public service. Quest Diagnostics Health Trends reports examine trends in diseases based on the company’s United States database. Quest Diagnostics Drug Testing Index (DTI) reports examine trends in workplace drug testing, and have been considered a benchmark for U.S. workforce drug positivity trends since 1988 

• Diagnostics information services
• Clinical trials
• Healthcare IT
• Risk management
• Employer population health
• Drug Screening

Read more about products and services.

• Headquarters in the U.S.: 500 Plaza Drive, Secaucus, New Jersey 07094  
• Approximately 2,000 patient locations and dozens of clinical laboratories throughout the U.S. 

Read more about our locations.