Quest Diagnostics is the world's leading provider of diagnostic testing, information and services that patients and doctors need to make better healthcare decisions. Our customers and payers include patients, physicians, hospitals, health insurers, employers and government agencies.
Each Year Quest Performs:
•Personal health testing on more than 150 million patients
•More than $660 million in gene-based tests

Quest Offers:
• Leading edge diagnostic test development through our Nichols Institute
• Innovative advanced information technology solutions to improve patient care and physician practice efficiency.
• The world’s largest private database of clinical test results to help identify best practices in healthcare services across populations of patients, and develop clinical support tools and HEDIS reporting requirements
• Worldwide clinical trial capabilities that help bring new treatments to patients and consumers
• 30-plus regional laboratories in key US markets, plus the UK, and Mexico
• approximately 150 rapid response laboratories
• Over 2,000 patient service centers
• More than 41,000 employees

Quest  Serves:
•50% of the physicians and hospitals in the United States and over 90 million lives covered by managed care organizations and third-party insurers

Quest is committed to Quality, Service and Innovation:
First Laboratory in the US to achieve ISO 9001 certification
Advanced information technology solutions that improve patient care and physician efficiency
Introduce approximately 100 new and improved tests each year by Quest Diagnostics Nichols Institute