Quest® is the brand name used for services offered by Quest Diagnostics Incorporated and its affiliated companies. Quest Diagnostics Incorporated and certain affiliates are CLIA-certified …

A health care professional ordered a test for me to take at a Quest Patient Service Center (PSC).

Quest® is the brand name used for services offered by Quest Diagnostics Incorporated and its affiliated companies. Quest Diagnostics Incorporated and certain affiliates are CLIA-certified …

6 days ago · SECAUCUS, N.J., Oct. 21, 2025 /PRNewswire/ -- Quest Diagnostics Incorporated (NYSE: DGX), a leading provider of diagnostic information services, today announced financial …

Visit one of Quest’s 2,200 Patient Service Centers - when it’s convenient for you. With thousands of locations in neighborhoods across the country, you’re never too far from getting the testing …

Sign in to MyQuest to access your lab results, schedule appointments, and manage your Quest Diagnostics account securely and conveniently.

Understanding your Quest Diagnostics lab test results helps you and your doctor make the best decisions for your health. Take control of your health today.

Find a Quest Diagnostics location nearby to complete sample collection for doctor-ordered or self-purchased lab tests.

Welcome to the Quest Diagnostics Test Directory Search for tests and educational resources with confidence. Filter by specialty or test category, and compare tests side-by-side. Watch the …

You can even manage test results for your family or those in your care, schedule and receive medication reminders, and schedule appointments at Quest Diagnostics Patient Service Centers.