The Medical Laboratory Technology Act, 1991 describes the prescribed classes of certificates of registration. Applicants can apply for the following certificates which include:

  1. Practising – Registrants have met the CMLTO registration requirements and are able to practise or work as an MLT subject to terms, conditions, or limitations (where applicable). 
  2. Non-practising – Registrants have met the CMLTO registration requirements but are not currently practising or working as an MLT. Note that registrants with Non-Practising certificates of registration:
    • may not practice medical laboratory technology in Ontario
    • may use the protected title medical laboratory technologist (MLT) in Ontario
    • must upgrade to a Practising certificate of registration before starting to work as an MLT

Watch the Registration Process Webinar!

You can access a copy of the webinar transcript in English here

Registration (gotowebinar.com)

Below you will find the required documents to apply for the applicable certificate of registration.

Practising Certificate

You must:

  1. have proof of eligibility to work in Canada (i.e., passport, birth certificate, permanent resident card)
  2. obtain a Criminal Record and Judicial Matters Check or Vulnerable Sector Check within the six months preceding the application
  3. have successfully completed a Health Standards Organization (HSO) accredited MLT education program or equivalency according to the CSMLS Prior Learning Assessment (PLA)
  4. demonstrate proof you successfully passed a CSMLS MLT exam (i.e., General Medical Laboratory Technology, Clinical Genetics, or Diagnostic Cytology)
  5. provide proof of active engagement
    • Option 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
    • Option b) have successfully completed refresher courses approved by the CMLTO within the three years preceding the date of the application.
      • For more information, please refer to the Registration Committee Policy 13: Active Engagement available here

Non-practising Certificate

You must:

  1. have proof of eligibility to work in Canada (i.e., passport, birth certificate, permanent resident card)
  2. obtain a Criminal Record and Judicial Matters Check or Vulnerable Sector Check within the six months preceding the application
  3. have successfully completed a Health Standards Organization (HSO) accredited MLT education program or equivalency according to the CSMLS Prior Learning Assessment (PLA)
  4. demonstrate proof you successfully passed a CSMLS MLT exam (i.e., General Medical Laboratory Technology, Clinical Genetics, or Diagnostic Cytology)

Emergency Certificate

Emergency certificates can only be issued or renewed when the Ministry of Health or the CMLTO Board of Directors declares an emergency. Before you register for the Emergency class, please contact the CMLTO to confirm if an emergency was declared. For more information, please refer to the Registration Committee Policy 21: Emergency Certificate of Registration available here (English). Please note that those with Emergency certificates will practise under supervision.

For more information about practising under supervision, please consult the following resources: 

  • CMLTO Supervision Form (English)
  • Guidelines for Supervision (English)
Are you ready to apply?

For further information, please contact the CMLTO Registration Department by email at registration@cmlto.com.