Mercy Laboratory Services - Old Tesson

Imaging, Labs or Tests
12348 Old Tesson Road
St. Louis, MO 63128

Phone: (314) 467-3838
Fax: (314) 467-3840
Monday-Friday: 7 a.m. - 5 p.m.
Services are provided by Mercy Hospital St. Louis Learn more »

Mercy Laboratory Services on Old Tesson in St. Louis offers a full range of lab testing services. Laboratory test results are immediately transmitted to your physician’s office. Patients may also have specimens and blood tests 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 also provide health screens to promote wellness and reduce health risks in our community.

Mercy Lab is pleased to partner with Mayo Medical Laboratories for specialized and esoteric testing. Find our test catalog, specimen requirements, laboratory medicine news, interpretive guides and other information on our regional Mayo partner portal.