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Due to hurricane Idalia, our Patient Service Centers in affected areas may be closed. For site-specific information, please use Find a location and enter your zip code.


Powerful tools and insights to support lab managers

These tools are designed to support you in delivering better care more efficiently. From clinical diagnostic insights to EHR support, find the insights you need here.


Explore our routine and esoteric diagnostics

3,500+ test options to choose from, including 1,500+ advanced tests.
Medical professionals accessing Quest's Test Directory

Review latest test updates

Get the most up-to-date test information using IntelliTest ManagerTM.
Laboratorian looking up Quest test information

Find valuable clinical content

Our Clinical Education Center offers the latest publications, webinars, and other resources to support improved diagnosis and care. 
Physician accessing Quest's clinical education center

Access real-time, actionable diagnostic insights

Log in to Quest Lab Stewardship to improve test utilization, control care variation, and drive better outcomes.
Physician and consultant discussing Quest's Lab Stewardship program

Laboratory Information System/EHR services and support

For LIS/EHR interface expert support, please contact our Client Connectivity Help Desk at 1-800-697-9302.

Add our medical experts to your clinical team

Connect your clinicians with our medical experts to improve test selection and interpretation.

Learn more