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convenient locations across the United States

200+ million

tests performed each year for patients of all ages

3,500+

lab tests available to help you find answers

A NEW WAY TO UNDERSTAND YOUR CHILD'S HEALTH

New to questhealth.com: Shop lab tests for kids ages 10+

Prioritize your children's wellness journey with actionable health insights. Parents and guardians can now purchase select lab tests at questhealth.com for their children and teens ages 10+ (specific age ranges vary by test). No doctor visit is required for purchase, but an independent healthcare provider is involved throughout the process.
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BUY YOUR OWN QUEST TEST

Still feeling unwell after COVID-19?

Long COVID (also called post-COVID) is when symptoms linger for at least 3 months after a COVID-19 infection has run its course. Symptoms can improve, worsen, change, or even disappear and then come back. 

Learn more in this questhealth.com article featuring 2 Quest test options available for purchase. 

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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.

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