Please log in to determine if you are eligible to purchase PT Programs.
CYSTATIN C - CYS
CYS
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
Cystatin C 2 Two shipments per year

Program Information

  • Two 1.0‑mL liquid serum specimens

Shipping Schedule

  • Shipment A: April 24
  • Shipment B: August 14