|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
4 – Description of the control samples
Lyophilized human control urines (samples to be resuspended in 1.5 mL of distilled water).