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Outage notice:

Due to the global information outage that occurred Friday, Quest is taking swift action to respond, recover and restore our operations. Our Patient Services are operating with reduced capacity so you may experience longer wait and service times. Our Customer Contact teams are currently unavailable. We appreciate your patience as we work toward returning to normal operations. 

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Making a difference every single day

2,250+

convenient locations across the United States

50 million

tests performed each year for patients of all ages

3,500+

lab tests available to help you find answers

TEST FOR TUBERCULOSIS

Show proof of a negative TB test with Quest

Need proof of a negative TB test for school, work or travel? Suspect that you've been exposed to someone with Tuberculosis? Whatever the case, Quest has you covered. The Tuberculosis Blood Test detects the presence of TB bacteria in the body. Available for purchase at questhealth.com
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QUEST MOBILE™ COMES TO YOU

In-home sample collection & personalized care, wherever you call home. 

Level up your health game with Quest Mobile.
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The Quest Diagnostics difference

Bringing together quality, speed, and technology to power advanced, affordable diagnostics for all. No trade-offs required.

About us