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Holiday schedule

Quest Diagnostics Patient Service Centers will be closed on Thursday, November 27, 2025 for the Thanksgiving Holiday. All Quest Diagnostics locations will be closing early at 12:00pm on Friday, November 28, 2025. Have a healthy, happy holiday.

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Quest Diagnostics Foundation

About the Foundation

The Quest Diagnostics Foundation® (the Foundation), established in 1991, is a nonprofit corporation exempt from tax under Section 501(c)(3) of the Internal Revenue Code, for charitable, educational, scientific, and literary purposes including: 

Quest Diagnostics’ purpose is “working together to create a healthier world, one life at a time”. In 2020, Quest and the Foundation launched a joint $100+ million initiative to improve health, with an initial focus on providing critical resources in communities hit hardest by the COVID-19 pandemic. Today, aligned with Quest’s purpose, the Foundation is focused on improving health in communities across the US.

Our work

The Foundation supports programs and initiatives across the US.

Contact us

Contact our team by completing the following form.

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