There are no open St. Martin Hospital Diagnostics appointments available for online scheduling right now. If this message appears during normal office hours, you can still come to the facility and you’ll be seen based on the order of arrival. Normal office hours are 6:00 am to 5:00 pm Monday through Friday, excluding major holidays. If you need these services after hours, please access the hospital through the emergency department entrance to be registered for your outpatient procedure.