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

Analyte/Procedure Challenges per Shipment Number of Shipments
Acylcarnitines, qualitative and quantitative 1 Two shipments per year
Amino acids, qualitative and quantitative 1
Glycosaminoglycans (mucopolysaccharides), qualitative and quantitative 1
Organic acids, qualitative and quantitative 1
Educational challenge 1

Program Information

  • Acylcarnitines: One 0.1‑mL plasma specimen
  • Amino acids: One 1.0‑mL plasma or 2.0‑mL urine specimen
  • Glycosaminoglycans (mucopolysaccharides): One 2.0‑mL urine specimen
  • Organic acids: One 7.5‑mL urine specimen
  • Educational challenge: Will consist of any one of the BGL analytes

Shipping Schedule

  • Shipment A: February 8
  • Shipment B: August 16