Quest Diagnostics
Lab Testing at Mercy Occ Health - South County
Occupational/employer health partner in Saint Louis, MO 63128.
Occupational Health Site
This is primarily an occupational or employer health location. Access for consumer DTC lab orders may be restricted to workers' compensation or employer-sponsored testing. Please call 314-729-9995 before visiting to confirm they accept your order.
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Address
12700 Southfork Rd Ste 235Saint Louis, MO 63128
St. Louis County
Hours
| Monday | 8:00 AM – 4:30 PM |
| Tuesday | 8:00 AM – 4:30 PM |
| Wednesday | 8:00 AM – 4:30 PM |
| Thursday | 8:00 AM – 4:30 PM |
| Friday | 8:00 AM – 4:30 PM |
| Saturday | Closed |
| Sunday | Closed |
Nearby alternatives
- Quest Diagnostics - Mercy Southfork12700 Southfork Rd Ste 150, Saint Louis, MO 631280 mi
- Quest Diagnostics - Tesson Kennerly9950 Kennerly Rd, Saint Louis, MO 631280.4 mi
- LabCorp Saint Louis28 Ronnies Plz, Saint Louis, MO 631261.9 mi
- Quest Diagnostics - Arnold12 Arnold Mall, Arnold, MO 630104.1 mi
- Quest Diagnostics - Kirkwood - Employer Drug Testing Not Offered461 S Kirkwood Rd, Kirkwood, MO 631225.2 mi
About this location
Occupational/employer health partner. 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.