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Welcome to the Laboratory Medicine Program

In the News

Dr. Runjan Chetty
Dr. Runjan Chetty discusses his error of distraction: ‘It was an awful feeling.’ 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:

More about LMP »

 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.

 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​.

 For Patients: LAB Services

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

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.