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OCCULT BLOOD - OCB
OCB
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
Occult blood 3 Two shipments per year

For second instrument reporting options, see the Quality Cross Check program OCBQ.


Program Information

  • Three 2.0‑mL simulated fecal specimens

Shipping Schedule

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






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