In simple words: Nicotine dependence, also known as tobacco dependence when referring to cigarettes, is the inability to stop smoking even though you know it's bad for you. You get physical and mental symptoms if you try to quit suddenly.

Nicotine dependence, cigarettes. This condition is characterized by an individual's compulsive need for nicotine, specifically from cigarettes.It involves physical and psychological dependence, leading to withdrawal symptoms upon cessation and difficulty quitting despite harmful effects.

Example 1: A 45-year-old patient reports smoking a pack of cigarettes a day for 20 years and expresses a desire to quit but experiences intense cravings and irritability when attempting to do so.Diagnosis: F17.21, A 60-year-old patient with a history of heart disease continues to smoke despite physician recommendations, exhibiting withdrawal symptoms like anxiety and restlessness when trying to abstain. Diagnosis: F17.21, A 25-year-old patient acknowledges smoking several cigarettes daily, primarily to alleviate stress, and reports difficulty concentrating and insomnia when not smoking.Diagnosis: F17.21

Documentation should include type of tobacco use (cigarettes), current severity of dependence, any complications, and remission status. Patient history, physical exam findings, and results of any questionnaires used to assess cigarette use should also be documented.