Laboratory medicine and pathology

Laboratory medicine and pathology

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Location and Contact

Markham Stouffville Hospital:

Location: Outpatient laboratory services, room A2800,

building A, main floor
Phone: 905-472-7048
Hours: Monday – Friday, 8 a.m. – 3:30 p.m.

Uxbridge Hospital:

Location: Left of the Emergency Department door
Phone: 905-852-9771, ext. 5293

Hours: Monday – Friday, 10 a.m. – 2 p.m.

The specimen collection laboratories at our Markham Stouffville Hospital and Uxbridge Hospital conduct laboratory and electrocardiogram (ECG) tests efficiently and quickly to assist physicians in diagnosing patients' conditions. Our full-service laboratory collects and provides results for approximately 1,119,508 tests annually.

Our expert team of pathologists, microbiologists, clinical chemists, technologists, technicians, pathologists' assistants, laboratory information system analysts and clerical staff serve our hospital 24 hours a day, every day. Over 100 highly trained individuals work in our laboratories; these professionals provide diagnostic, screening and monitoring tests for patients visiting our outpatient clinics, Emergency Department, and who are patients in our hospital. Our labs are licensed by the Ministry of Health and Long-Term Care, and hold a four-year accreditation certificate issued by the Institute for Quality Management in Healthcare. 

The specimen collection laboratory at the Markham Stouffville Hospital operates Monday – Friday, 8:00 a.m. – 3:30 p.m. and serves only patients from clinics within Markham Stouffville Hospital. The specimen collection laboratory at the Uxbridge site operates Monday – Friday, 10:00 a.m. – 2:00 p.m., and serves only patients from clinics within Uxbridge Hospital. 

Patient experience

Our facilities are wheelchair accessible and infant/child-friendly. The compassionate professionals in laboratory medicine understand that drawing blood samples can cause some anxiety and that waiting for laboratory results can be stressful. We provide emergency and rapid response testing quickly, to meet the needs of patients and physicians. Emergency laboratory service is offered 24 hours a day, seven days a week.  

Note: The specimen collection laboratories at the Markham Stouffville Hospital and Uxbridge Hospital do not accept requisitions from community physicians or healthcare practitioners. 

Community members who are not actively receiving treatment at the hospital, with requisitions from their physician’s offices or other healthcare institutions, can visit one of Markham, Stouffville or Uxbridge’s laboratory service providers listed below. Community laboratory services are funded by the Ontario Health Insurance Plan (OHIP) and, with the exception of tests not covered by OHIP, you will not incur additional costs for testing at these labs.