Quest Diagnostics

Medical Lab

(636) 485-9450

3449 Pheasant Meadow Dr Ste 101 O Fallon, MO 63368

locations.questdiagnostics.com

Today: 6:30 AM to 3:00 PM

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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Hours of Operation

Mon 6:30 AM to 3:00 PM
Tue 6:30 AM to 3:00 PM
Wed 6:30 AM to 3:00 PM
Thu 6:30 AM to 3:00 PM
Fri 6:30 AM to 3:00 PM
Sat Closed
Sun Closed

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