Helping keep healthcare affordable
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Quest Diagnostics is covered by nearly every major health plan in Illinois, including Medicaid, and can help reduce your out-of-pocket costs.

Making a difference in Chicago
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Quest Diagnostics has been in Chicago for 35 years.

Because your family depends on you
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Our years of experience in Chicago have helped us focus our testing menu on the diseases that are impacting the lives of you, your friends, and your family.

Knowing the value of your time
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Across Chicago, our Patient Service Centers help you get the tests you need at a time and place that works for you.

Access your health anywhere, anytime
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With MyQuest, understanding your health has never been easier. Our free app lets you make your blood work appointments and get results from almost any device.

Solutions for everyone
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The Quest Diagnostics Patient Assistance Program tailors solutions for patients on an as-needed basis so you can get the tests you need.