1 – Program overview

This external quality assessment program allows control of the accuracy of ethyl glucuronide assay in urine. It is intended for immunological and chromatographic methods.

Statistical reports are sent with supporting comments from the expert clinical biologists / program coordinators.

2 – Assessment frequency

Number of surveys per year: 4
Number of control samples per survey: 1 or 2
Number of samples per year: 6

3 – List of analytes assessed

• Urinary ethyl glucuronide

4 – Description of the control samples

Lyophilised human control urine (samples to be resuspended in 1 or 5 mL of distilled water).