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Notice of Annual Registration Renewal                                                      Français

CMLTO Annual Registration Renewal is required of all members of the medical laboratory technology profession in Ontario. Membership renewal must be completed using the online process. For information about fees, go to this page.

The Annual Registration Renewal notice is mailed annually in the second week of October.

CMLTO's Annual Registration Renewal for 2020 began on November 1, 2019. All medical laboratory technologists registered in Ontario must renew their CMLTO registration online by December 31, 2019 at 11:59 pm EST.



  1. Go to: www.cmlto-onlineservices.com.

  2. Log in using your User Name (your CMLTO registration number) and your current User Password.

    • If you do not remember your CMLTO registration number, please search for your name in the Public Register of Members which you can access here

    • If you have forgotten your password, you may reset it by typing “forgot” and then click the ‘Login’ button. On the following page, select “Click Here to Reset your Password.” This will reset your password to your date of birth, which must be entered in the following format: yyyy/MMM/dd. For example: 1972/SEP/08. 

  3. Click on “Renew or Resign your Membership.”

  4. All resigning and Practising members renewing as Non-practising members will be required to complete the Practice Timelines section to record the number of hours worked in 2019. This information is used if you choose to reapply for membership, or change your class of registration back to Practising in the future.

To renew your CMLTO registration:

  1. Complete all sections of the renewal process.

    • Please note that you will be required to provide a valid email address in order to complete the renewal process. The CMLTO Consolidated Bylaws require members to provide the College with “an e-mail address that it is distinct from the e-mail address of any other member and that the member checks personally on a regular basis.”

    • All Practising members will be required to verify their employment information, and update as required, in order to complete the renewal process.

  2. Select a payment option, remit the annual fee, and submit your renewal. Payment must be confirmed to complete your renewal.

    • Members may pay with Visa, MasterCard, or Interac. If you are using a Visa-Debit card, you must select the "pay by credit card” option in order for your payment to be processed.

    • Members may not pay by cheque. CMLTO cannot accept payments made through your bank, i.e., in-person banking, online banking, e-transfers.

Print your tax receipt/proof of registration.

To resign effective January 1, 2020:

Beginning on November 1, 2019, you may resign your CMLTO membership for 2020. Your resignation will become effective on January 1, 2020. Log in to www.cmlto-onlineservices.com as described above. Under the Class of Registration tab, select the “Resign” option. You will be asked to confirm your decision and your reason for resigning.

Please note that:

  • Retirement from employment does not disqualify a member from maintaining registration with CMLTO. All CMLTO members who hold a Practising certificate of registration must fulfill their professional obligations regardless of their employment status, including meeting the CMLTO Quality Assurance Program (QAP) requirements.

  • Once a member resigns from CMLTO, the member may not legally use the protected title “medical laboratory technologist” in Ontario.

Questions regarding renewal should be directed to 416-861-9605 or toll-free at 1-800-323-9672, or This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Click here for a renewal FAQ (PDF).

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