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2023 EQA SCHEMES
EQA 2023 - Urine Cotinine (COTI)
Expert Biologists - Scheme Coordinators:
Estelle BUGNI, Bernard POGGI and Sabine ZAEPFEL
EQA performed since 2004
Number of participating laboratories in 2022: 79

1 – Scheme overview

This External Quality Assessment program verifies the accuracy of quantitative methods.

It can also be used to assess the performance of qualitative or semi-quantitative tests.

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

  • Urine cotinine

4 – Description of the control samples

Lyophilized human control urines (samples to be resuspended in 1.5 mL of distilled water).

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