Work of scientists in the laboratory.

Leverage insights that drive decisions

Keep up with the information you need to stay ahead of the evolving healthcare landscape. Quest Diagnostics provides you with timely and actionable insights that help you make more informed business decisions so you can continue to deliver quality care.

Access laboratory efficiency

Streamline your business with our Professional Laboratory Services
Quest offers a variety of on-site solutions that provide you with the information, personnel, materials and resources you need to run your laboratory more efficiently. Our solutions are based on Six Sigma principles and designed to deliver on quality and cost containment initiatives. In fact, these programs are usually led by a Six Sigma Black Belt—a certified practitioner of Six Sigma principles.

Tap a wealth of clinical expertise

Connect providers with clinical consults
We have 700 medical and scientific experts in our network who are available to give clinical guidance to your providers.

Explore our Clinical Education Center
Quest provides a wide range of continuing medical education materials for you and your staff.

Expect quality research and test development
Count on the Quest esoteric laboratories for cutting-edge research that produces assays and diagnostic tests with superior sensitivity, specificity, efficiency and clinical value.

Find unique esoteric testing

Providing an accurate diagnosis is the key to all successful patient care. Quest Diagnostics offers routine tests as well as highly specialized tests not performed by most clinical laboratories. We offer more than 1,500 esoteric test options, making our offering the industry’s largest. Our tests utilize cutting-edge technologies that include highly advanced and innovative applications of gene sequencing, bioinformatics, mass spectrometry, digital pathology and proteomics to help you meet the diagnostic needs of a wide range of patients. Learn more about our esoteric testing.


Quality esoteric testing derived from research

Quest Diagnostics actively collaborates with leading academic institutions and government agencies to translate innovation into clinical benefit. Read more about how we have collaborated with these notable organizations, among others:

  • Centers for Disease Control
  • Food and Drug Administration
  • Leading academic and research institutions across the country

Expansive, specialized medical expertise

Quest Diagnostics employs nearly 200 physicians within our five esoteric laboratories who are thought leaders and innovators within their respective fields of medicine, publishing more than 100 peer-reviewed articles annually.

Dedicated to clinical education

Through our Academic Associates program, Quest Diagnostics shares actionable insights with thousands of healthcare professionals every year so they can stay informed about innovations that help inform their diagnoses.



Access informative reports

Prescription abuse Health Trends reportOur Health Trends™ reports provide timely and important information about critical issues affecting the public’s health. These reports offer disease and wellness insights, helping inform professionals, policymakers and patients on specific topics, such as prescription drug misuse, diabetes, heart health and much more.

Find out how we can help optimize your organization.