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Proficiency Testing/EQA / 2026 Surveys /
Forensic Sciences

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VITREOUS FLUID, POSTMORTEM - VF
VF
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
Acetone 3 Two shipments per year
Chloride 3
Creatinine 3
Ethanol 3
Glucose 3
Potassium 3
Sodium 3
Vitreous urea nitrogen 3

Program Information

  • Three 5.0‑mL synthetic vitreous fluid specimens
  • For forensic and other toxicology laboratories that perform quantitative analysis of vitreous fluid
  • Conventional and International System of Units (SI) reporting offered

Shipping Schedule

  • Shipment A: February 10
  • Shipment B: August 11




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