Having standardised cut-off levels for drug groups is one of the requirements of saliva and urine drug test kits used in Australia as laid out in the Joint Australian and New Zealand Standards.
Cut-off levels for drug groups in urine drug test kits
In accordance with AS/NZS 4308:2008 Procedures for specimen collection and the detection and quantitation of drugs of abuse in urine.
| Drug groups | Cut-off levels for urine drug test kits |
|---|---|
| Amphetamine type substances | 300µg/L |
| Benzodiazepines | 200µg/L |
| Cannabis metabolites | 50µg/L |
| Cocaine metabolites | 300µg/L |
| Opiates | 300µg/L |
Cut-off levels for drug groups in saliva drug test kits
In accordance with AS/NZS 4760:2019 Procedure for specimen collection and the detection and quantification of drugs in oral fluid.
| Drug groups | Cut-off levels for saliva drug test kits |
|---|---|
| Amphetamine type substances | 50ng/mL |
| Cannabinoids | 15ng/mL |
| Cocaine metabolites | 50ng/mL |
| Opiates | 50ng/mL |
| Oxycodone | 40ng/mL |