The codes for tobacco use are: F17 : Nicotine dependence F17.20 : Unspecified F17.21 : Cigarettes F17.22 :Chewing tobacco F17.29 :Other tobacco product Each of these four categories requires a sixth character: 0 uncomplicated 1 in remission 3 with withdrawal 8 with other specified nicotine-induced disorder 9 with unspecified nicotine-induced disorder If you find that occupational and environmental exposure to tobacco is influencing the health status of your patient, report that using the following ICD-10 codes: Z57.31 :Occupational exposure to environmental tobacco smoke Z72.0 : Problems related to lifestyle, tobacco use Z77.22 :Exposure to environmental tobacco smoke (includes second-hand smoke exposure and passive smoking) Z87.891 :Personal history of nicotine dependence Other Hypertension Codes I27.0 : Other primary pulmonary hypertension (Primary hypertension NOS) I27.2 : Other secondary pulmonary hypertension (Code also associated underlying condition) I27.89 : Other specified pulmonary heart diseases R03.0 : Elevated blood-pressure reading, without diagnosis of hypertension The code R03.0 should be used to indicate an episode of elevated blood pressure in a patient when no formal diagnosis of hypertension has been made, or as an incidental finding

But, I would say its at least, if not more harmful than secondhand smoke from nicotine/tobacco products
Researchers believe the results can supplement the growing body of knowledge about beneficial aspects of low to moderate marijuana use in controlling pain, stimulating appetite, elevating mood and managing other chronic symptoms
Research Highlights: A large, national study found that smokers faced nearly three times the risk of dying prematurely from heart disease or stroke
The Law Targets Sales Not Possession This part matters