Cotinine; Nicotine
This assay is used for the detection of nicotine and cotinine in serum and plasma to determine the tobacco exposure status of the individual. Nicotine has a short half-life of approximately forty minutes; Its presence may indicate recent tobacco exposure. Cotinine, the major nicotine metabolite, has a half-life of 24 hours and is detectable for several days after cessation of tobacco exposure.
4.0 mL Whole Blood in a Lavender Top Tube - EDTA
72 hours Ambient
21 days Refrigerated (Preferred)
Must be centrifuged and serum separated within 2 hours of collection
2.0 mL Whole Blood
Nicotine
Smokers 2-10 ng/mL
Nonsmokers < or =4 ng/mL
Cotinine
Smokers 16-145 ng/mL
Nonsmokers < or = 8 ng/mL
This assay is used for the detection of nicotine and cotinine in serum and plasma to determine the tobacco exposure status of the individual. Nicotine has a short half-life of approximately forty minutes; Its presence may indicate recent tobacco exposure. Cotinine, the major nicotine metabolite, has a half-life of 24 hours and is detectable for several days after cessation of tobacco exposure.
6 to 9 days
00913889
80323