It’s flu season! Please do not visit any of our admitted patients while you are sick. If you must visit, please tell the unit manager, nurse or unit clerk that you are sick when you arrive.

Welcome to the Laboratory Medicine Program

In the News

Dr. Winer at bench
Laboratory Medicine Program staff living double lives. Read the story »

Who We Are

The Laboratory Medicine Program (LMP) at UHN is the largest hospital diagnostic lab in Canada. Our team of medical professionals support clinical, academic, and research services across five key departments, and provide patients with accurate diagnoses and personalized treatment options.

Our departments:

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Tests & Requisitions

For health care professionals: Our in-depth list provides detailed information on all laboratory tests, including methods, reference ranges, required specimen type, shipping instructions, turn-around time, and requisition/order forms.

If you cannot find a specific test in this list, please contact our Laboratory Call Centre at 416 340 5227, or toll-free at 1 866 865 5227.

For Patients: LAB Services

Find test centre locations, hours, and directions, plus instructions to help ensure an accurate test result.

Patient FAQ - Pathology

Learn more about the role of pathologists, how we diagnose abnormalities, and when you can expect your test results. Your Frequently Asked Questions are answered here​.

our medical team

As integrated members of our patients' health care team, our sub-specialty medical and scientific staff provide detailed, knowledgeable and comprehensive consultations. Learn more about the Lab Team.​​​​​​​​

Our Partners, the Foundations

Supporting UHN in its vision to achieve global impact are our 3 partner foundations:


Learn more about our foundations.