What We Do

Taking care of people is our business.

We are committed to improving human health. Whatever our respective roles, responsibilities or departments, all of us at Quest Diagnostics share this common goal. Each day, our more than 43,000 employees strive to find new ways to empower clinical decision-making and improve patient outcomes. Whether you are a lab assistant or technician, work in sales or client services, you play a vital role in this exciting endeavor.

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Going beyond laboratory testing

Beyond laboratory testing, we offer services to a range of customers and organizations. For example:

Physicians: Our information technology expertise is helping to shape the future of healthcare. Thousands of physicians use our Care360™ products to electronically order lab tests, deliver timely test results, share clinical information, and prescribe drugs to patients. Care360 processes more than one million transactions each day.

Drug companies: We’re one of the largest providers of global central laboratory services performed in connection with clinical research trials. Through collaboration with biotechnology companies, we help speed the development of healthcare insights and new therapeutics that enable pharmaceutical companies to develop new medicines.

Employers: We help employers improve the health of their workers and reduce illegal drug use in the workplace. In fact, we’re a leading provider of programs to promote wellness and prevention of disease. By conducting health assessments for common conditions like diabetes and heart disease, we empower people to better manage their health.

Insurers: We are the leading provider of risk assessment services to the life insurance industry.