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

Analyte Challenges pr Shipment Number of Shipments
Gastric occult blood 3 Two shipments per year
Gastric pH 3

Program Information

  • Three 2.0‑mL simulated gastric specimens

Shipping Schedule

  • Shipment A: February 19
  • Shipment B: September 9