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The CMLTO's Annual Registration Renewal for 2024 began on November 1, 2023. Renewal notices were sent by email and post mail to all CMLTO registrants this past October.

All Medical Laboratory Technologists registered in Ontario must renew their CMLTO registration online by December 31, 2023, at 11:59 p.m. EST.

To complete the renewal process, follow this link and carefully read the instructions here

Information regarding registration renewal is available at www.cmlto.com. If you have any questions, please contact the Registration department at This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

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