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General and Specialized Biochemistry Image Biochimie
2023 EQA SCHEMES
EQA 2023 - Gasometry With Electrolytes (GDS)
Expert Biologists - Scheme Coordinators:
Régine CARTIER, Bernard POGGI and Isabelle QUADRIO
EQA performed since 2013
Number of participating laboratories in 2022: 518

1 - Scheme Overview

This scheme is intended to assess automated systems used to determine blood gases, as well as the other urgent analytes measured with these analyzers.

Participating labs can choose to be assessed for all the analytes of this scheme, or simply a subset of analytes of interest.

panneau attention For this scheme, a single kit is used to assess one analyzer only. To assess a second analyzer, you will need to register for an additional kit
panneau attention Not suitable for Opti-CCA analyzers from OPTIMEDICAL SYSTEM.

2 - Assessment Frequency

Number of investigations per year: 4
Number of control samples per investigation: 1 or 2
Number of samples per year: 6

3 - List of analytes assessed 

  • pH
  • pCO2
  • pO2
  • Bicarbonates
  • Ionized calcium
  • Chlorides (Blood gases)
  • Total CO2
  • Glucose (Blood gases)
  • Lactates (Blood gases)
  • Potassium (Blood gases)
  • Sodium (Blood gases)

4 - Description of the Control Samples

Liquid control solutions in ampoules (ready-to-use samples).

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