how long can cotinine be detected in urine
The cotinine urine test will detect the levels of the toxin and other derivatives of nicotine for about 3 to 4 days after last known use of nicotine-containing products. This detection time frame may however differ in some cases.he test can even detect nicotine levels of 0 to 2,000ng/ml, which is far lower than the capacity of the urine tests. In this, a saliva cotinine test strip is soaked into a saliva specimen provided by the patient for about 20 minutes.