The alcohol hair test is an indicator of a behavioural issue — not current impairment.

It measures average alcohol consumption over a period of approximately three months, indicates the level of alcohol use during that time-period, and can indicate a pattern of excessive use—a behaviour rather than an event.

The test measures the amount of ethyl glucuronide (EtG) in the hair – a trace metabolite of ethanol and a direct alcohol biomarker – and follows the guidelines determined by the World Health Organization in association with the Society of Hair Testing for measuring consumption.




Negative (below reliable quantifiable measure)


Mild to Moderate Consumption

(An average of approximately

8-16 standard drinks per week)

30+ pg/mg

Excessive Alcohol Consumption 

(An average of approximately

4-6 standard drinks per day,

consumed over 3 months)

To arrange testing at our Hornsby office or for workplace onsite testing (subject to minimum numbers)

 please contact Vicki on 0410 659 670.