Clostridioides difficile

External Quality Assessment for Clostridioides difficile toxin detection

This program provides proficiency testing to laboratories investigating C. difficile infection by different methods.

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Two shipments per year: May and November.

Shipping schedule

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2 simulated stool samples per shipment

Samples are simulated stools that can be used to determine C. difficile common antigen, toxins, and toxin genes by any available method.

Results Report and Feedback

Results for C. difficile toxin are due two weeks after the shipping date.

Results can be conveniently reported online or sent by fax using our reporting forms.

Each laboratory receives a personalized Result Letter that can be conveniently and confidentially viewed on line.

Each letter contains

  • Expected results
  • Laboratory results
  • Grades assigned

Results are available online. The results include the expected results, comparison of results, and grades.

Clostridioides difficile Toxin – FACT SHEET – link to general sample processing, detection methods, and results interpretation. (PDF)

Contact CMPT Coordinator Esther Kwok for more information about our EQA programs                          604-827-1754