Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Specimen Collection Details
Urine in a clean plastic container.
Send to lab as soon as possible.
48 hours ambient. Refrigerate if transport is delayed beyond 48 hours.
10 mL urine
3 mL urine
Ambient or refrigerated
Buprenorphine and norbuprenorphine (metabolite), total (conjugated and unconjugated), in urine are quantitatively reported. The concentration ratio of norbuprenorphine to buprenorphine is also provided.
Insufficient volume; unlabeled or mislabeled specimen.