Oral fluid positivity rates

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Drug addiction treatment centres and probation services across the UK send us samples for testing on a daily basis and we thought we’d share some data with you that gives a clear picture of drug use amongst those in treatment. Alere Toxicology receive approximately 15000 oral fluid samples in our laboratory every month, of which 91% are from the Drug Treatment sector. The graph below highlights the positivity rate of oral fluid samples received in our laboratory over a 3 month window.

What drugs do you think we get the highest positivity for?

The highest positivity rate for illicit drug use is for the metabolite of heroin with nearly half of those tested screening positive for 6-MAM. The high positivity rate for methadone reflects the use of this testing for compliance.

 

Number of samples for each test

Positivity-Chart

Positivity rates

Positivity-Rates

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