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A member asked:
If i test negative for cotinine on a urine test is it likely that i will also be negative on a blood test?
3 doctors weighed in across 2 answers
Yes. : The cotinine is the test of choice.
Answered 1/13/2017
831 views
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Yes: “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 8/28/2019
144 views
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Related Questions
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