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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
D‑dimer 2 Three shipments per year
Fibrin(ogen) degradation products, plasma 1
Fibrin(ogen) degradation products, serum 1

Program Information

  • One 2.0-mL serum specimen; two 1.0-mL lyophilized plasma specimens
  • Conventional and International System of Units (SI) reporting offered

Shipping Schedule

  • Shipment A: January 25

  • Shipment B: May 10

  • Shipment C: August 23