At a Glance
Why Get Tested?
To detect the presence or measure the quantity of nicotine or cotinine in blood, urine, saliva, or sometimes hair. To find out whether someone uses tobacco or has been exposed to second-hand smoke. Rarely, it can be used to check for acute nicotine poisoning.
When to Get Tested?
Whenever someone requires confirmation of tobacco usage or exposure to second-hand smoke. Rarely when nicotine overdose is suspected.
Usually a urine sample is collected, but sometimes a blood sample (from a vein in your arm) or a saliva sample is collected. Rarely a hair sample is collected.
Test Preparation Needed?