Mackinac Straits Health Systems
Laboratory

Outpatient Hours:

Monday thru Friday 7:30 a.m. – 5:00 p.m.

Saturdays 9:00 a.m. – 11:00 a.m.

Sundays by appointment.

Closed for Holidays.

Contact

Phone: (906) 643-0421
Fax # : (906) 643-0471