Laboratory Services

Mercy offers a full range of laboratory services with quick turnaround times for our customers. In addition to the routine lab tests most often requested by doctors, we offer a variety of specialized services, including:

  • Pre-employment drug screening
  • Screening for workers’ compensation injuries
  • Health screens to promote wellness and reduce health risks
  • Outpatient transfusion services
  • And many others

Locations offering Laboratory Services

Mercy Laboratory Services - Eureka

407 Meramec Boulevard
Eureka, MO 63025
(636) 549-6050
Hours of Operation:
Monday, Wednesday, Friday: 7 a.m. - 3:30 p.m.
Tuesday, Thursday: 8:30 a.m. - 5 p.m.
29.8 miles

Mercy Laboratory Services - Wildwood

16555 Manchester Road
Grover, MO 63040
(636) 458-4416
Hours of Operation:
Monday, Wednesday, Friday: 7:30 a.m. - 4 p.m.
Tuesday, Thursday: 8:30 a.m. - 5 p.m.
34.2 miles

Mercy Laboratory Services - Clayton-Clarkson

15945 Clayton Road
Ballwin, MO 63011
(636) 256-5315
Hours of Operation:
Monday-Friday: 6:30 a.m. - 5 p.m.
Saturday: 8 a.m. - Noon
35.2 miles

Mercy Laboratory Services - Medical Tower A

621 S. New Ballas Road, Tower A
Saint Louis, MO 63141
(314) 251-4980
Hours of Operation:
Monday-Friday: 7 a.m. - 5 p.m.
Saturday: 8 a.m. - Noon
37.9 miles

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