Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Monitoring of tobacco use.
Nicotine: <5 ng/mL; Cotinine: <5 ng/mL; Anabasine: <2 ng/mL; Nornicotine: <2 ng/mL.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Screen: 4 hours, Confirmation: 2 - 4 days
Collect random urine specimen. Send to Specimen Processing at room temperature
Test sent to Mayo Medical Laboratories.