The hair sample has been taken and is on its way to the lab. For donors, it’s now a waiting game to see the outcome of the analysis. But what exactly is it a drug testing lab does to detect drug and alcohol use in just a few strands of hair?
In the space of a couple of days, labs can analyse hair and reveal a donor’s drug use dating back months. The reports labs produce evaluating drug use can be extremely accurate, measuring drug use right down to the picogram level.