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.