A member asked:

I have a surgery coming up i smoke they want to test my blood for nicotine when do i have to quit so it does not show up in the test?

5 doctors weighed in across 2 answers

2-4 weeks: The nicotine metabolite is present in urine for up to 4 weeks depending on how much you smoke.

Answered 1/14/2016

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Something fishy...: It would be unusual to test a smoker. Don't they believe you when you say you smoke? Or did you not tell the truth? Best to fess up. Quitting smoking just before surgery is not a good idea.

Answered 9/28/2016

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