A member asked:

I stopped smoking cigarettes about 2-3 weeks ago, i did a urine drug test with quest diagnostics will my urine test positive for nicotine/ cotinine?

5 doctors weighed in across 2 answers

Urine nicotine: Data show that urine can still test positive for 10 to 15 days, and even 20 days in some. Urine can test positive for 20-25 days for cotinine.

Answered 1/12/2019

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Dr. Heidi Fowler answered

Specializes in Psychiatry

Possibly: “When someone stops using tobacco & nicotine products, it can take more than 2 weeks for the blood level of cotinine to drop to the level that a non-tobacco user would have & several weeks more for the urine level to decrease to a very low concentration.” REF: http://labtestsonline.org/understanding/analytes/nicotine/tab/test/

Answered 8/27/2019

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Related Questions

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Will obgyn test for cotinine or nicotine in routine urine samples?

5 doctors weighed in across 3 answers