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Holiday schedule

Quest Diagnostics Patient Service Centers will be closed on Monday, September 7th, 2026 in observance of the Labor Day Holiday.  Have a healthy, happy holiday.

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Making a difference every single day

2,000+

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

SAVE 10% ON A PROSTATE SCREENING (PSA TEST)

Make it your business to know

When it comes to your health, it pays to know what’s going on inside your body. Prostate cancer can have no noticeable symptoms in its early stages. A PSA screening measures prostate-specific antigen levels in your blood to help you and your doctor stay informed, especially if you’re at increased risk due to age or family history. This Prostate Cancer Awareness Month, make your health your business and save 10% on a Prostate Screening (PSA) at questhealth.com through September 30.
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INSPIRE OTHERS WITH YOUR HEALTH JOURNEY

Has Quest lab work helped you to uncover health insights that impacted your life?

Did you receive valuable information from Quest genetic testing? Did routine Quest testing help you to find a condition you didn’t know you had? Empower the Quest community by sharing your story.
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Bringing together quality, speed, and technology to power advanced, affordable diagnostics for all. No trade-offs required.

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