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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.
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    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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CMLTO Scope of Practice Survey is now open!

02 June 2023

The CMLTO is inviting all Medical Laboratory Technologists or medical laboratory assistants/technicians in Ontario to participate in a survey to inform the College about the important tasks and duties they perform in the laboratory. This will inform the College about how the profession has changed over time. Please note that this survey is for those working in Ontario ONLY.

This survey has 15 questions and should take you less than 10 minutes to complete. Please note this survey is voluntary, and responses are anonymous (i.e., no responses will be linked to an individual). Please complete this survey no later than July 31, 2023. Your participation is greatly appreciated. If you have any questions, please contact the Quality Assurance department by email at This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

T
o access the survey, follow this link: CMLTO 2023 Scope of Practice Survey (surveymonkey.ca)

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CMLTO Professional Conduct Webinar

11 May 2023

As part of the CMLTO’s ongoing effort to share information about the responsibilities of MLTs as they relate to their Professional Conduct, the College is pleased to announce an upcoming webinar on May 31, 2023, from 12:00 – 1:00 p.m.

In the webinar, CMLTO Professional Conduct staff will provide an overview of the various conduct processes that impact MLT practice. The presentation will be followed by a brief Question & Answer period. For those who cannot attend the live session, the webinar will be recorded and posted on the CMLTO website and social media channels.

Click here to register for the webinar. 

Restricted Title Designation for MLTs

08 May 2023

The formal designation of “Medical Laboratory Technologist” or “MLT” is a protected title as defined in the Medical Laboratory Technology Act, 1991 (MLT Act).

The MLT Act states: Restricted titles 9. (1) No person other than a member shall use the title “medical laboratory technologist”, a variation or abbreviation or an equivalent in another language. 1991, c. 28, s. 9 (1). This includes:

  • It is prohibited for anyone who is not a registrant of the College to use the title Medical Laboratory Technologist or any variation of that title, including MLT.
  • Individuals not registered with the CMLTO, including those who have successfully passed medical laboratory science programs or exams, are not authorized to use the title MLT until they are fully registered with the CMLTO or another applicable College.
  • Terms such as “non-registered MLT” or “unregistered MLT” should not be used for those under clinical placement or training under supervision.
  • Any individual holding a position that includes MLT in their job title or description must be registered with the CMLTO first prior to using the restricted title.
  • Employers are strongly encouraged to state in their job offer letters that the Medical Laboratory Technologist position is to be only started upon employees’ registration with the CMLTO.

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