Please log in to determine if you are eligible to purchase PT Programs.
C DIFF, 5 CHALLENGE - CDF5
CDF5
Analytes/procedures in bold type are regulated for proficiency testing by the Centers for Medicare & Medicaid Services (CMS).

Analyte Challenges per Shipment Number of Shipments
Clostridioides (Clostridium) difficile antigen/toxin 5 Three shipments per year

Program Information

  • Five 0.5‑mL lyophilized specimens, for use with rapid or molecular testing methods

CMS has clarified that the C. difficile toxin test is not subject to CLIA regulations; therefore, toxin results will not be sent to CMS. Only C. difficile antigen results will be sent.


Shipping Schedule

  • Shipment A: April 15
  • Shipment B: August 5
  • Shipment C: December 9