Quest Diagnostics

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108 W US Highway 40
Troy, IL 62294
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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3.55 reviews
Roxanne M.
3/28/2025

Terrah provided amazing, quick service! I had to have routine blood work done, and she was excellent!

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Karen S.
7/8/2022

Michelle is a amazing! I am a super hard stick and she gets me on the first time, everytime!!! Blood draws suck, she makes it easy and fast!

Andy S.
6/12/2023

Quest Diagnostics, Troy, IL. I made 2 appointments and kept both. Apparently I could not get the automated mandatory self help kiosk to work properly. I waited 20 minutes and their electronic...

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Teri D.
2/26/2021

Michelle has been drawing my blood for labs for years. She's absolutely the best. I never even feel the stick and she NEVER misses. She's also about the nicest gal you'd ever want to meet. She...

Nathaniel N.
11/24/2021

Arrived 10 minutes early to my appointment out of respect for punctuality. Checked in at the kiosk. Now 15 minutes after my appointment my presence has not even been acknowledged. Knocked on...

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