Lab Testing at Mercyone Siouxland Occupational Health - Questselect Members Only
QuestSelect / Members Only — access restricted in Sioux City, IA 51106.
Restricted Access. Verify eligibility before visiting.
This is a QuestSelect program location. Walk-in access is restricted to QuestSelect members through participating employers or health plans. If you are not enrolled in QuestSelect, this location is unlikely to accept your lab order. Consider LabCorp Sioux Falls (75 miles away) instead. We display this address for completeness. Please verify access by calling 712-274-4250 before visiting.
Looking for a publicly accessible location?
Browse All TestsOr see LabCorp Sioux Falls (75 miles away) for walk-in testing.
Address
3500 Singing Hills Blvd Ste 100Sioux City, IA 51106
Woodbury County
Hours
| Monday | 8:00 AM – 3:30 PM |
| Tuesday | 8:00 AM – 3:30 PM |
| Wednesday | 8:00 AM – 3:30 PM |
| Thursday | 8:00 AM – 3:30 PM |
| Friday | 8:00 AM – 3:30 PM |
| Saturday | Closed |
| Sunday | Closed |
Nearby alternatives
- Buena Vista Regional Medical Center1525 W 5th St, Storm Lake, IA 5058859.5 mi
- Yankton Medical Clinic, P.C1104 W 8th St, Yankton, SD 5707861.5 mi
- Alpha Workforce Health305 N 37th St, Norfolk, NE 6870163.2 mi
- LabCorp Sioux Falls4800 E 57th St B, Sioux Falls, SD 5710875 mi
- Midwest Dot2929 N 204th St Ste 115, Elkhorn, NE 6802280 mi
About this location
QuestSelect / Members Only — access restricted. 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.