Quest Diagnostics
Main:
(636) 485-9450
Fax: (636) 281-0115
Fax: (636) 281-0115
3449 Pheasant Meadow Dr, Ste 101, O'fallon, Missouri, 63368
Business hours
| Monday | 6:30am to 3:00pm |
| Tuesday | 6:30am to 3:00pm |
| Wednesday | 6:30am to 3:00pm |
| Thursday | 6:30am to 3:00pm |
| Friday | 6:30am to 3:00pm |
| Saturday | - |
| Sunday | - |