-- T65.21 Toxic effect of chewing tobacco

--- T65.211 Toxic effect of chewing tobacco, accidental (unintentional)

--- T65.212 Toxic effect of chewing tobacco, intentional self-harm

--- T65.213 Toxic effect of chewing tobacco, assault

--- T65.214 Toxic effect of chewing tobacco, undetermined

-- T65.22 Toxic effect of tobacco cigarettes

--- T65.221 Toxic effect of tobacco cigarettes, accidental (unintentional)

--- T65.222 Toxic effect of tobacco cigarettes, intentional self-harm

--- T65.223 Toxic effect of tobacco cigarettes, assault

--- T65.224 Toxic effect of tobacco cigarettes, undetermined

-- T65.29 Toxic effect of other tobacco and nicotine

--- T65.291 Toxic effect of other tobacco and nicotine, accidental (unintentional)

--- T65.292 Toxic effect of other tobacco and nicotine, intentional self-harm

--- T65.293 Toxic effect of other tobacco and nicotine, assault

--- T65.294 Toxic effect of other tobacco and nicotine, undetermined