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Proficiency Testing/EQA / 2026 Surveys / Microbiology /
Bacteriology

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GRAM STAIN - D5
D5
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
Gram stain and morphology 5 Three shipments per year

Program Information

  • Five air‑dried, methanol‑fixed, unstained glass slides

Shipping Schedule

  • Shipment A: March 30
  • Shipment B: August 10
  • Shipment C: November 30






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