Please note that there has been a significant change for all ChartMaxx super users and administrators concerning a new communications plan to support ChartMaxx in Canada:

To improve communication between ChartMaxx super users, administrators, Cercle Group and the ChartMaxx technical team at Quest Diagnostics, a new communication plan has been implemented. This plan will ensure a smooth and instant communication to Cercle Group and Quest Diagnostics support teams.

All requests for technical support and application support are to be directed to Cercle Group who is responsible for Tier 1 support of your ChartMaxx system:


 For an Email Request:

 For Inquiries by Phone:

  • Phone: 514-819-9730 ext 1

 For Critical / Emergency Request Outside of Business Hours (call immediately):

  • Cercle Support Group at 1-514-819-9730 ext 1, AND
  • ChartMaxx US Support at 1-800-595-0415

 For More Information, Please Contact: