Mercy Laboratory Services - Technology Drive

2223 Technology Drive
Suite 20
O Fallon, MO 63368
Fax: (636) 755-4364
Services are provided by Mercy Hospital St. Louis Learn more »
Hours of Operation:
Monday-Friday: 7 a.m. - 5 p.m.
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Holidays may affect operations, please call Client Services at 314-251-6850 for hours.

Mercy Clinic - Technology Drive's full-service laboratory offers a variety of lab testing services and quick turnaround times for our customers.

In addition to the routine lab testing most often requested by doctors, we offer a variety of specialized services, including:

  • Pre-employment drug screening
  • Sreening for workers’ compensation injuries
  • Federal drug screen collections for the Department of Transportation
  • Health screens to promote wellness and reduce health risks
  • Outpatient transfusion services

Services Offered