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CRITICAL CARE BLOOD GAS, I-STAT - AQ3
AQ3
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
Calcium, ionized 2 Three shipments per year
Chloride 5
Hematocrit 5
Hemoglobin, estimated 5
Lactate 2
pCO2 5
pH 5
pO2 5
Potassium 5
Sodium 5

For multiple instrument reporting options, see the Quality Cross Check programs, AQ3Q or AQ4Q.
For i-STAT instrument usage, see chart.


It is not appropriate to report hemoglobin and hematocrit results by co-oximetry in these programs.

Program Information

  • Five 2.5-mL specimens in duplicate for i-STAT® methods only
  • Conventional and International System of Units (SI) reporting offered

Shipping Schedule

  • Shipment A: February 20
  • Shipment B: June 19
  • Shipment C: October 16




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