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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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

1201 Wentzville Pkwy Ste 117
Wentzville, MO 63385
St. Charles County

636-399-9216

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 Wentzville
801 Medical Dr Ste 100, Wentzville, MO 63385
0.9 mi
LabCorp O Fallon
1002 Peruque Crossing Ct, O Fallon, MO 63366
5.4 mi
Quest Diagnostics - O'fallon
3449 Pheasant Meadow Dr Ste 101, O Fallon, MO 63368
10.6 mi
LabCorp Troy
160 Professional Pkwy, Troy, MO 63379
11.4 mi
Mercy Hospital Lincoln Ucc
1000 E Cherry St, Troy, MO 63379
12.1 mi

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.