Once registered, MLTs must practice their profession in accordance with the CMLTO regulations and standards. This process protects the public’s right to safe, effective, ethical service from MLTs.

The CMLTO produced a short video describing the registration requirements and process for Canadian-educated MLTs in Ontario.

To access this video please click here. Sign-in registration is required.
Webinar transcript (PDF)

You must:

1. be a Canadian citizen, a permanent resident of Canada, or have an authorization under the Immigration and Refugee Protection Act (Canada)
2. obtain a Criminal Record and Judicial Matters Check within the six months preceding application. For more information, please refer to the Registration Committee Policy 16: Background Check of Applicants available here
3. have successfully completed a Health Standards Organization (HSO)  accredited MLT education program or equivalency, according to the Prior Learning Assessment (PLA)
4. have Canadian Society for Medical Laboratory Science (CSMLS) certification (formerly CSLT)
5. a) have been actively engaged (used your knowledge, skill and judgement as an MLT) in the practice of medical laboratory technology during the three years immediately preceding the date of the application OR b) have successfully completed refresher courses approved by the CMLTO within the three years preceding the date of the application.

You must:

1. be a Canadian citizen, a permanent resident of Canada, or have an authorization under the Immigration and Refugee Protection Act (Canada)
2. obtain a Criminal Record and Judicial Matters Check within the six months preceding application. For more information, please refer to the Registration Committee Policy 16: Background Check of Applicants available here
3. have successfully completed a Health Standards Organization (HSO)  accredited MLT education program or equivalency, according to the Prior Learning Assessment (PLA)
4. have Canadian Society for Medical Laboratory Science (CSMLS) certification (formerly CSLT).

Note that members with Non-Practising certificates of registration:

1. may not practice medical laboratory technology in Ontario
2. may call himself/herself a medical laboratory technologist (MLT) in Ontario
3. must upgrade to a Practising certificate of registration before starting to work as an MLT.

1. Complete the online registration application.
2. Pay the registration application fee online (VISA or MasterCard accepted).
3. Print the Guarantor’s verification form via the online application process.
4. Mail the supporting documentation along with the completed Guarantor’s verification form to CMLTO.

Please refer to the Registration process map for further clarification.

If you have any questions, please contact the CMLTO Registration Department by email at registration@cmlto.com or by telephone at 1-800-323-9672 extension 1. CMLTO operates Monday-Friday from 8:30 a.m. to 4:30 p.m. Inquiries are typically responded to within 5 business days. 

Please contact CMLTO Registration if you have any further questions that we have not outlined above.

For further information, please contact the CMLTO Registration Department at 416-861-9605 [toll-free in Canada: 1-800-323-9672] ext. 1, or registration@cmlto.com. To apply for membership, please complete the online registration application.

View the complete Registration Regulation.

View the Frequently Asked Registration Questions.

As of March 13, 2020

PLEASE NOTE

The CMLTO is unable to accommodate unscheduled or ‘drop-in’ visitors until further notice. Signage is posted on the office door with relevant phone and email contact information.

Applicants for registration should not make unscheduled or unannounced visits to the CMLTO office to drop off documents without having made prior arrangements. The CMLTO cannot guarantee that staff will be available to accept documents during office hours.
Canadian Educated (cmlto.com)