Quest Diagnostics
Lab Testing at Quest Diagnostics - Wentzville - Employer Drug Testing Not Offered
Quest Diagnostics Patient Service Center in Wentzville, MO 63385.
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Address
1201 Wentzville Pkwy Ste 117Wentzville, MO 63385
St. Charles County
Hours
| Monday | 6:00 AM – 3:30 PM |
| Tuesday | 6:00 AM – 3:30 PM |
| Wednesday | 6:00 AM – 3:30 PM |
| Thursday | 6:00 AM – 3:30 PM |
| Friday | 6:00 AM – 3:30 PM |
| Saturday | Closed |
| Sunday | Closed |
Nearby alternatives
- LabCorp Wentzville801 Medical Dr Ste 100, Wentzville, MO 633850.9 mi
- LabCorp O Fallon1002 Peruque Crossing Ct, O Fallon, MO 633665.4 mi
- Quest Diagnostics - O'fallon3449 Pheasant Meadow Dr Ste 101, O Fallon, MO 6336810.6 mi
- LabCorp Troy160 Professional Pkwy, Troy, MO 6337911.4 mi
- Mercy Hospital Lincoln Ucc1000 E Cherry St, Troy, MO 6337912.1 mi
More lab options around Wentzville
About this location
Quest Diagnostics Patient Service Center. Quest Diagnostics operates one of the largest networks of clinical laboratories in the United States, offering a wide range of diagnostic tests for patients, physicians, and employers.
Listing last updated 2026-04-25.