Quest Diagnostics
Lab Testing at Quest Diagnostics - Mercy Southfork
Quest Diagnostics Patient Service Center in Saint Louis, MO 63128.
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Address
12700 Southfork Rd Ste 150Saint Louis, MO 63128
St. Louis County
Hours
| Monday | 6:00 AM – 5:00 PM |
| Tuesday | 6:00 AM – 5:00 PM |
| Wednesday | 6:00 AM – 5:00 PM |
| Thursday | 6:00 AM – 5:00 PM |
| Friday | 6:00 AM – 5:00 PM |
| Saturday | 7:00 AM – 12:00 PM |
| Sunday | Closed |
Nearby alternatives
- 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
- Quest Diagnostics - Mercy Watson Rd7345 Watson Rd Lower Level Section 2, Saint Louis, MO 631196.2 mi
More lab options around Saint Louis
All Saint Louis lab locationsCompare draw centers in Saint Louis, MO.LabCorp Saint Louis1035 Bellevue Ave Ste 314, Saint Louis, MO 63117LabCorp Saint Louis6555 Chippewa St Ste 150, Saint Louis, MO 63109LabCorp Saint Louis28 Ronnies Plz, Saint Louis, MO 63126LabCorp Saint Louis747 N New Ballas Rd, Saint Louis, MO 63141Quest Diagnostics - Center For Performance Med701 S New Ballas Rd, Saint Louis, MO 63141Quest Diagnostics - Mercy Tower A Psc621 S New Ballas Rd Suite 23, Saint Louis, MO 63141Quest Diagnostics - Mercy Watson Rd7345 Watson Rd Lower Level Section 2, Saint Louis, MO 63119Quest Diagnostics - Tesson Kennerly9950 Kennerly Rd, Saint Louis, MO 63128
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.