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convenient locations across the United States

50 million

tests performed each year for patients of all ages


lab tests available to help you find answers

Purchase lab tests anytime

Easy to buy, simple to schedule & fast results.

Conveniently shop online and choose from over 50+ lab tests. No doctors visit required.
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Buy your own STD tests online

Get your results online as soon as they're available.

No doctor visit required. Test for common sexually transmitted diseases. After purchasing your test, you can schedule an appointment to take it at one of our 2200+ locations nationwide.
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The Latest From Quest

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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