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Stopped smoking. How long does cotinine stay in blood system?

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how long does cotinine stay in your blood system. I have quit smoking and my company is now doing cotinine blood test for health insurance. We have our blood draw in 40 days should I be good to be considered a non smoker?
Posted Sat, 9 Mar 2013 in Smoking and Alcohol Addiction
Answered by Dr. Sundar Gnanavel 5 minutes later
Thanks for your query. Cotinine does not stay in your blood system beyond 14-15 days considering the half life of cotinine that is 1.5 days. Hence 40 days is safe enough to pass the health insurance test.
Dr Sundar
Addiction medicine specialist
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