Mercy Laboratory Services - Hazelwood

Imaging, Labs or Tests
801 Hazelwest Drive
Hazelwood, MO 63042

Phone: (314) 919-2738
Fax: (314) 919-2740
Monday-Friday: 7 a.m. - 5 p.m. Saturday: 8 a.m. - noon
Services are provided by Mercy Hospital St. Louis Learn more »

Hours of operation may be impacted due to the current COVID-19 pandemic.  Please call the number listed above or Mercy Lab Client Services 855-695-2201 to confirm current hours of operation.

We offer a full range of lab testing services. Test results are immediately transmitted to your physician’s office. Patients may also have specimens collected and tested here and the results sent to a specialist in another city. In addition to routine lab tests most often requested by your physician, we provide health screens to promote wellness and reduce health risks in our community.