The exhaled carbon monoxide (CO) test detects exposure to CO in the last 12-18 hours. This can be used to assess smoking status AFTER a quit attempt and used prior to a quit attempt as a motivational tool. Higher levels (parts per million) equate with greater inhalation of tobacco smoke assuming the cause is tobacco smoking. It must be noted that the exhaled CO test indicates recent exposure to CO and will not indicate smokeless tobacco use and is not a measure of dependency.
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Type: Clinical resource or information Clinical Area: Tobacco smoking and nicotine Status: Current