A member asked:

I quit smoking by choice yesterday. today insurance told us we have to be tested for cotinine in 10 days. can i pass a urine and or blood test?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

How heavy was use?: “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 9/4/2019

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When after you quit smoking will it show up in blood or urine test?

A doctor has provided 1 answer