Company Information

email   print   rss   

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 44,000 employees understand that, in the right hands and with the right context, our diagnostic insights can inspire actions that transform lives.

Quest Diagnostics reported 2015 revenues of $7.5 billion.  

Also see our Fact Sheet.

Diagnostic Information Services

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 

We offer the most extensive clinical testing network in the United States, operating laboratories in most major metropolitan areas. Outside the U.S. we maintain testing facilities in England, India, Mexico and Puerto Rico, and provide clinical trials testing in Argentina, Brazil, China and Singapore through affiliated laboratories. 

Our extensive test menu includes routine biological testing; complex and specialized molecular and gene-based testing, and anatomic pathology testing. These services primarily help identify disease or risk factors for disease and predict and monitor response to treatment. We conduct complex and specialized testing, including molecular and gene-based diagnostics, primarily in our world renowned Quest Diagnostics Nichols Institute, Focus Diagnostics Reference Laboratory and Athena Diagnostics facilities. 

We aim to develop and offer diagnostic information services that help physicians manage patients along a disease’s continuum of care. Our services are used by physicians across dozens of clinical areas, including cancer, cardiovascular disease, prescription drug monitoring, health and wellness, infectious disease, neurology and women’s health.

Our laboratories operate 24 hours a day, 365 days a year, and touch the lives of patients more than 147 million times each year. Patients may have their specimens collected at their physician’s office or in any of our approximately 2,200 conveniently located patient service centers. We maintain a robust logistics operation that includes courier vehicles and aircraft that collectively make tens of thousands of stops daily in order to collect and deliver specimens to our laboratories for testing. 

Clinical Trials

Quest Diagnostics is a world leader in supporting clinical trials of new pharmaceuticals and companion diagnostics. We provide clinical trials through our advanced clinical laboratories in the United States and internationally through affiliated laboratories in Argentina, Brazil, China and Singapore as well as our own laboratory in India. 

Healthcare Information Technology

Quest Diagnostics empowers healthcare organizations and clinicians with state-of-the-art health information technologies that help improve patient care and practice management. We provide interoperable technologies that help healthcare organizations and physicians enter, share and access clinical information without costly IT implementation or significant workflow disruption. 

Our solutions include our Care360® suite of products and our ChartMaxx® electronic document management system for hospitals. The Care360 products enable physicians electronically to order diagnostic testing and review test results from Quest Diagnostics and electronically to prescribe medications. 

We also provide the MyQuest™ by Care360 mobile health app to help patients and physicians access health information through mobile devices. 

Employer Solutions

Quest Diagnostics provides several solutions to employers. We are a leading provider of both pre-employment drugs-of-abuse screening for employers. Our Drug Testing Index (DTI), an aggregated report of employer drug testing results, has been considered a benchmark for U.S. workforce drug positivity trends since its inception in 1988. 

Our Blueprint for Wellness service helps employers to work with their employees to identify disease or its risk factors based on results of health and wellness laboratory testing. We also provide risk assessment services for the life insurance industry.