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Proficiency Testing/EQA / 2025 Surveys /
Histocompatibility

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MONITORING ENGRAFTMENT - ME
ME
Analytes/procedures in bold type are regulated for proficiency testing by the Centers for Medicare & Medicaid Services (CMS).

Procedure Challenges per Shipment Number of Shipments
Stem cell monitoring engraftment 5 Two shipments per year

Program Information

  • Seven 0.5‑mL whole blood specimens
  • Designed for laboratories supporting stem cell transplant and laboratories monitoring chimerism after organ transplantation

Shipping Schedule

  • Shipment A: February 11
  • Shipment C: August 5






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