Quest Diagnostics

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260 E Congress Pkwy Ste E
Crystal Lake, IL 60014
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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Reviews

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3.015 reviews
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Matt R.
8/20/2025

I went there to get blood work through my doctor. I did not have an appointment so I showed up at 7 AM and checked in as a walk-in and I was seen at 7:20. The guy that took My blood very nice and...

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Deb P.
10/16/2024

You must schedule an appointment online, test you can't. Obviously overworked and therefore unpleasant employees. It is obvious that at Quest, patients are not people, just an inconvenience.

Annabelle T.
3/31/2025

Very dirty, waiting room is hot with no circulation. Feels like you will get sick sitting there. Once I went back for bloodwork, workers were nice and less expensive then other places

Jeff F.
10/3/2022

Recently returned to quest for regular lab work prior to my doctors visit. I have been going to this quest location for a number of years without any issues, today was different. I was greeted by...

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Kanen T.
11/18/2022

Horrible experience doing routine work. My 2!! Year old sons file couldn't be opened, bc they didn't have his consent... that says everything. But like many others have stated, their phone and fax...

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