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). |