Quest Diagnostics

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(29)

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17300 North Outer 40 Rd Ste 104
Chesterfield, MO 63005
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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2.029 reviews
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Michelle L.
1/7/2026

I had an appointment at 9:10. I was checked in at about 8:56. I think they called me in around 9:30 and I was walking out at 9:45. It was fine...

Dalton Pagel
1/6/2026

All of the workers here should be fired and replaced. If you have any other option for somewhere to go I would highly recommend going there. They have cancelled my appointment because they were...

E C.
10/1/2025

This place is extremely rude and unprofessional. I will NEVER have any service done at this location. I had an appt and was there before my appt time. I was called after my appt time. I am...

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April B.
3/8/2024

If you have any other options, avoid Quest and this location. It is impossible to get any help here. There are no workers available for questions. If you make an appointment there's no way to talk...

Ashley B.
4/28/2025

The staff here is so rude and unprofessional. When I came in for a drug test for school, I didn't have enough urine to fill the entire cup. They rudely said that now this is a 3 hour process and...

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