Accreditation Canada (AC) Diagnostics welcomes the opportunity to investigate all complaints received in writing from an identified source, as they may contribute to opportunities for improvement. AC Diagnostics reviews complaints against its own accreditation services as well those against the facilities accredited through our programs. Only complaints that are received in writing or on this form, with the identification of the complainant, are investigated. We ask that you please provide a detailed description below when submitting your complaint.  


If this complaint is being filed on behalf of a facility, the complainant’s facility name, AC Diagnostics site number and the license number (for mandatory Ontario Laboratory Clients only) must be provided, in addition to the complainant’s contact information.


If you are writing to file a complaint regarding an accredited facility, please ensure that you follow the facility’s complaint process first.


Note: This form is for complaints only. If you wish to appeal an accreditation decision, please contact your assigned staff member from the AC Diagnostics team and they would be able to assist you.



Please Complete the following:

Note: Fields denoted by an * are required information


Facility Name

Site Number

Licence number

Contact Name*

Contact Position

Contact Number*

Contact Email*



 Please provide a detailed description of your complaint below:*


Note: By submitting this complaint you are agreeing for this information to be shared with all parties involved and the appropriate regulatory authority, if required.



Accreditation Canada Diagnostics will review the information above, and you will be contacted within 10 business days.


The “Submit” button allows you to submit the complete and final form.
IMPORTANT: Modifications cannot be made after Submission.


Version 6.1 (2023-12-05)