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cannabinoids in the urine

Name cannabinoids in the urine
Specimen requirements 1 ml of urine
Collection instructions If possible, take first morning urine under supervision.
Procedure remarks Refrigerate before sending it in;
freeze if storing for prolonged period;
no additives
Detection time: up to 1 week with one-time or infrequent abuse; up to 3 months with intensive consumption
Methodology FPIA (fluorescence polarisation immunoassay),
GC-MS (gas chromatography mass spectrometry) for confirmation
Reference ranges Cut-off: 25 ng/ml
Notes and interpretation The assay only provides a preliminary analytical test result. In particular, preliminary positive findings should be confirmed using a more specific method (e.g. GC-MS).