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The Canadian Society for Medical Laboratory Science (CSMLS) is the national certifying body for medical laboratory technologists (MLT) and medical laboratory assistants (MLA). CSMLS conducts examinations for general medical laboratory technology, diagnostic cytology, clinical genetics and medical laboratory assistants. Our website has important resources about our profession and also includes information for internationally educated MLTs.
Medical laboratory technologists are an important part of Canada’s health-care system. They work in hospitals, public and private laboratories and research facilities. There are about 20,500 MLTs working in Canada. Working in medical laboratory science is a fascinating career that combines science and technology with the opportunity to help people.

As an MLT, you can live and work virtually anywhere in Canada. There is a need for medical laboratory technologists in both big cities and smaller communities. Most medical laboratory technologists work in hospitals, but jobs are also available in private laboratories, community health clinics, public health facilities, university research labs, biotechnology companies and specialty labs. Areas of specialization include clinical chemistry, hematology, clinical microbiology, transfusion science, histotechnology, diagnostic cytology, clinical genetics, immunology, electron microscopy, virology, parasitology and flow cytometry.
CSMLS certification is accepted across Canada. Medical laboratory technology is a regulated health profession in Alberta, Saskatchewan, Manitoba, Ontario, Quebec, New Brunswick and Nova Scotia. In these provinces, you need a licence to work. British Columbia, Prince Edward Island, Newfoundland and Labrador and the Territories are not regulated. You are responsible for contacting the appropriate regulatory body or society to find out what their requirements are for licensure.
While you are waiting to go to Canada, there are many important things you can do to improve your chance for success.
The Foreign Credentials Referral Office is an organization of the Government of Canada that provides you with helpful resources such as the Planning to Work In Canada? workbook and the Working in Canada Tool. Use these resources to find and collect important information and to develop your job search plan.
You will need to prove your language skills in English or French, or be tested. You can find information at www.language.ca. If you need to improve your language skills, start before you come to Canada.
Begin your Prior Learning Assessment (PLA) with the CSMLS. PLA evaluates your academic credentials, experiential (practical) learning, professional development and work history to determine your equivalency to the national standard for MLTs in Canada. You can complete the assessment before you come to Canada, but you must come to Canada to write the CSMLS certification examinations. For information about the PLA process, review the PLA Information Handbook available from the CSMLS website.
Your official education, work and identity documents are important. It is much easier for you to request and organize your documents while still in your home country. CSMLS recommends that your college or university send documents in English or French, if possible.
There are three steps to becoming a medical laboratory technologist:
You should take time to research job requirements and develop a plan for finding work. You should ask for help.
Many hospitals and health centres list job openings on their websites. CSMLS has a job board for members.
Membership in a professional association is a helpful way for you to learn about the profession in Canada, to make contacts and to have access to important resources. Explore the CSMLS website for further information about the profession and its opportunities.
Medical Laboratory Assistant
Medical laboratory assistants are not a regulated health profession in any province or territory. CSMLS administers a voluntary certification examination. There is a fee for this examination. If you are interested in working as an MLA in Canada, review the MLA examination handbook available on the CSMLS website.