1 – Scheme 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 who coordinate the scheme.

2 concentration levels are tested for the ethylglucuronide assay.

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

• Urinary Ethylglucuronid

4 – Description of the control samples

Lyophilized human control urines (samples to be resuspended in 1 mL of of distilled water).