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 who coordinate the program.

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 Ethylglucuronid

4 – Description of the control samples

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