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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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    What causes urine test to be positive for nicotine?

right before surgery my nicotine urine test came back positive and I do not smoke nor does anyone I hang out with . I hate smoking! How is this possible? BTW, nurse gave me one on the spot and it came out negative. I think it was one to test for cotinine. Thank you.
Wed, 3 Oct 2018
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General Surgeon 's  Response
Hi,

As with all diagnostic tests, there will be false positives, i.e., tests that are positive while in reality they are negative. I suggest you have another test for nicotine.

Hope I have answered your query. Let me know if I can assist you further.

Regards,
Dr. Anders Mark Christensen,
General Surgeon
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