Monthly Archives

May 2026

Dearborn, Farmington Hills, Grosse Pointe, Royal Oak, Southeast Michigan, Taylor, Trenton, Troy, Wayne

Body Fluid Culture – Specimen Collection Update

Effective June 1, 2026, Corewell Health Microbiology Laboratory in Southeast Michigan is updating specimen collection criteria for body fluid specimens. Microbiology will no longer accept red top vacutainer tubes as a collection device for body fluids (i.e. synovial fluid, pleural fluid, peritoneal fluid, etc). Collection criteria information has been updated in Corewell’s Lab Test Directory to reflect this change. Test order for body fluid cultures is LAB2111016 (aerobic culture) and commonly accompanied by LAB233 (anaerobic culture). Continue Reading

Niles, Southwest Michigan, St. Joseph, Watervliet

Changes to Outpatient Occult Blood (FIT) Stool Testing (Corewell Health Southwest Region)

Effective Tuesday, May 26, 2026, outpatient occult blood testing (stool) will no longer be performed at Corewell Health Lakeland St. Joseph Laboratory and will instead be routed or mailed to Corewell Health Reference Laboratory in Grand Rapids, MI (35 Michigan St.) for processing.

In addition, the collection kits will be updated from OC-Light™ S FIT collection kits to OC-Auto™ collection kits. Continue Reading