Medical Laboratory Technologists

The College of Medical Laboratory Technologists of Ontario (CMLTO) is the regulatory body for medical laboratory technology (MLT) practice in Ontario.
The CMLTO exists so that, in Ontario, the public’s right to quality medical laboratory services is protected by providing self-regulation and leadership to the practice of medical laboratory technologists. Further, the CMLTO exists to ensure such services are provided by ethical and competent practitioners to maximize health outcomes.
Registration Requirements
To practice medical radiation technology in Ontario, internationally educated medical laboratory technologists (MLTs) must hold a Certificate of Registration and meet the requirements set out by the CMLTO. To become eligible for the Certificate of Registration, internationally educated medical laboratory technologists (MLTs) must meet the following registration requirements:
- Show proof of successful completion of a medical laboratory technology program that is equivalent to a medical laboratory technology program offered at an institution accredited by the Canadian Medical Association (CMA) in Canada
- Show proof of reasonable fluency in English or French
- Show you are mentally competent to practise the profession and will practise with decency, integrity, and honesty in accordance with the law
- Show you can communicate effectively with and will display an appropriate attitude towards patients and colleagues
- Show proof of Canadian citizenship, Permanent Residency or authorization to practise medical laboratory technology in Canada
- Successfully complete the Canadian Society for Medical Laboratory Science (CSMLS) National Certification Examination
- Satisfy one of the following educational and training requirements:
- within the 3 years preceding the application, show active engagement in the practice of medical laboratory technology, which may include time spent as a student, or in the teaching of medical laboratory technology, that demonstrates, in the opinion of the Registration Committee, that he or she could meet the current standards of practice in Ontario; or
- within the 3 years preceding the application, show successful completion of a refresher course in the relevant specialties in laboratory science approved by the Registration Committee
For further details, please visit the College of Medical Laboratory Technologists of Ontario website.
How the Access Centre Can Help
The Access Centre within HFO MRA can assist internationally educated medical laboratory technologists on their path to practise by providing advisory services by appointment via telephone, in-person or Skype.
If you have previously registered as a client of the Access Centre and are seeking services offered to registered clients or have questions regarding any aspect of the licensure process, please call 416-862-2200 or toll free 1-800-596-4046 or e-mail AccessCentre@HealthForceOntario.ca.
If you are not a registered client of the Access Centre and would like detailed information on the licensing process for internationally educated respiratory therapists, please register online.
Information Sessions
Information sessions bring together groups of internationally educated health professions with a common goal. These sessions focus on various aspects of the registration process. Learn more.
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