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     The CMLTO is operating virtually with the office located at 25 Adelaide Street East closed to the public until
     further notice. Click here for more information about contacting the CMLTO by email or postal mail.
    During the COVID-19 pandemic, healthcare organizations have increasingly become targets of cyberattacks.
    If you receive an email that appears to come from the CMLTO but seems suspicious, or if you are unsure
    about its legitimacy, please email communications@cmlto.com for clarification.
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The CMLTO Voluntary Roster of Registered Medical Laboratory Technicians
Click here to apply.
Learn more about the Voluntary Roster initiative by clicking here

Click here to search the Voluntary Roster.


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How CMLTO manages consultations & feedback

19 November 2020

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As part of its public protection mandate, the CMLTO is strongly committed to transparency and ensuring that its regulatory processes and information about members can be accessed easily by the public, by applicants, and medical laboratory technologists (MLTs). Additionally, the CMLTO is committed to engaging with the public about the College’s role in public protection.

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The CMLTO welcomes comments, questions, and feedback at all times, even when formal consultations or outreach initiatives are not underway. Learn more by clicking here.

QAP webinar recording available

11 November 2020

CMLTO staff hosted a webinar on October 23, 2020, titled, “CMLTO QAP: Updated tools and resources." The webinar presented the updated Quality Assurance Program (QAP) that takes effect on January 1, 2021. The presentation provided information related to the program’s evaluation process and members’ updated obligations and responsibilities. To access a recording of the webinar, click here. Read or download a transcript of the webinar here (PDF).

CMLTO has posted two recorded webinars about the updated QAP. MLTs should review the webinars and the CMLTO website to ensure they understand their Quality Assurance requirements. If members have any questions, please contact QAP staff at This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

MLT registration renewal underway

06 November 2020

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The CMLTO's Annual Registration Renewal for 2021 began, November 1, 2020. All medical laboratory technologists registered in Ontario must renew their CMLTO registration online by December 31, 2020.

The Annual Registration Renewal notice, which includes renewal instructions, was sent by postal mail in the second week of October. Members can get started by logging into https://www.cmlto-onlineservices.com/, or by clicking the red button above.

If you have questions, please call 416-861-9605 and press 1 for Registration and Renewal, or email  This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

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