Outpatient Laboratory Hours: Monday through Friday - 7a.m. to 6p.m.
Phone: 989-269-8933, ext. 4580

Patients who have outpatient laboratory testing ordered or bring specimens for testing must go to the Central Registration department to have the required paperwork filled out.

Patients scheduled for a Glucose Tolerance Test (GTT) can go directly to the Laboratory to have blood drawn first and then go to Central Registration to have their paperwork filled out.