A member asked:

Today is my last day of smoking will i passed the cotintine test by blood and urine on next monday?

3 doctors weighed in across 2 answers
Dr. Clarence Grim answered

Specializes in Endocrinology

Conitine: Depends on test they use. Ask the people doing the test as they will know.

Answered 6/22/2017

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Cutting it close: Cotinine generally stays in urine for 3-4 days, so it may or may not be negative by them. I doubt they are doing blood tests for cotinine, since this is not an accurate weay of detecting it - it is in blood for a very very short period of time. Please quit smoking permanently and stay quit!! Good luck.

Answered 6/28/2017

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

A doctor has provided 1 answer