Analytes/procedures in bold
type are regulated for proficiency testing by the Centers for Medicare & Medicaid Services (CMS).
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.
- Two 0.5‑mL lyophilized specimens, for use with rapid or molecular testing methods
Shipment A: April 20
Shipment C: December 7