| T65.21 | Toxic effect of chewing tobacco | NON-BILLABLE CODE |
| T65.211 | Toxic effect of chewing tobacco, accidental (unintentional) | NON-BILLABLE CODE |
| T65.211A | Toxic effect of chewing tobacco, accidental (unintentional), initial encounter | BILLABLE CODE |
| T65.211D | Toxic effect of chewing tobacco, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T65.211S | Toxic effect of chewing tobacco, accidental (unintentional), sequela | BILLABLE CODE |
| T65.212 | Toxic effect of chewing tobacco, intentional self-harm | NON-BILLABLE CODE |
| T65.212A | Toxic effect of chewing tobacco, intentional self-harm, initial encounter | BILLABLE CODE |
| T65.212D | Toxic effect of chewing tobacco, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T65.212S | Toxic effect of chewing tobacco, intentional self-harm, sequela | BILLABLE CODE |
| T65.213 | Toxic effect of chewing tobacco, assault | NON-BILLABLE CODE |
| T65.213A | Toxic effect of chewing tobacco, assault, initial encounter | BILLABLE CODE |
| T65.213D | Toxic effect of chewing tobacco, assault, subsequent encounter | BILLABLE CODE |
| T65.213S | Toxic effect of chewing tobacco, assault, sequela | BILLABLE CODE |
| T65.214 | Toxic effect of chewing tobacco, undetermined | NON-BILLABLE CODE |
| T65.214A | Toxic effect of chewing tobacco, undetermined, initial encounter | BILLABLE CODE |
| T65.214D | Toxic effect of chewing tobacco, undetermined, subsequent encounter | BILLABLE CODE |
| T65.214S | Toxic effect of chewing tobacco, undetermined, sequela | BILLABLE CODE |
| T65.22 | Toxic effect of tobacco cigarettes | NON-BILLABLE CODE |
| T65.221 | Toxic effect of tobacco cigarettes, accidental (unintentional) | NON-BILLABLE CODE |
| T65.221A | Toxic effect of tobacco cigarettes, accidental (unintentional), initial encounter | BILLABLE CODE |
| T65.221D | Toxic effect of tobacco cigarettes, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T65.221S | Toxic effect of tobacco cigarettes, accidental (unintentional), sequela | BILLABLE CODE |
| T65.222 | Toxic effect of tobacco cigarettes, intentional self-harm | NON-BILLABLE CODE |
| T65.222A | Toxic effect of tobacco cigarettes, intentional self-harm, initial encounter | BILLABLE CODE |
| T65.222D | Toxic effect of tobacco cigarettes, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T65.222S | Toxic effect of tobacco cigarettes, intentional self-harm, sequela | BILLABLE CODE |
| T65.223 | Toxic effect of tobacco cigarettes, assault | NON-BILLABLE CODE |
| T65.223A | Toxic effect of tobacco cigarettes, assault, initial encounter | BILLABLE CODE |
| T65.223D | Toxic effect of tobacco cigarettes, assault, subsequent encounter | BILLABLE CODE |
| T65.223S | Toxic effect of tobacco cigarettes, assault, sequela | BILLABLE CODE |
| T65.224 | Toxic effect of tobacco cigarettes, undetermined | NON-BILLABLE CODE |
| T65.224A | Toxic effect of tobacco cigarettes, undetermined, initial encounter | BILLABLE CODE |
| T65.224D | Toxic effect of tobacco cigarettes, undetermined, subsequent encounter | BILLABLE CODE |
| T65.224S | Toxic effect of tobacco cigarettes, undetermined, sequela | BILLABLE CODE |
| T65.29 | Toxic effect of other tobacco and nicotine | NON-BILLABLE CODE |
| T65.291 | Toxic effect of other tobacco and nicotine, accidental (unintentional) | NON-BILLABLE CODE |
| T65.291A | Toxic effect of other tobacco and nicotine, accidental (unintentional), initial encounter | BILLABLE CODE |
| T65.291D | Toxic effect of other tobacco and nicotine, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T65.291S | Toxic effect of other tobacco and nicotine, accidental (unintentional), sequela | BILLABLE CODE |
| T65.292 | Toxic effect of other tobacco and nicotine, intentional self-harm | NON-BILLABLE CODE |
| T65.292A | Toxic effect of other tobacco and nicotine, intentional self-harm, initial encounter | BILLABLE CODE |
| T65.292D | Toxic effect of other tobacco and nicotine, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T65.292S | Toxic effect of other tobacco and nicotine, intentional self-harm, sequela | BILLABLE CODE |
| T65.293 | Toxic effect of other tobacco and nicotine, assault | NON-BILLABLE CODE |
| T65.293A | Toxic effect of other tobacco and nicotine, assault, initial encounter | BILLABLE CODE |
| T65.293D | Toxic effect of other tobacco and nicotine, assault, subsequent encounter | BILLABLE CODE |
| T65.293S | Toxic effect of other tobacco and nicotine, assault, sequela | BILLABLE CODE |
| T65.294 | Toxic effect of other tobacco and nicotine, undetermined | NON-BILLABLE CODE |
| T65.294A | Toxic effect of other tobacco and nicotine, undetermined, initial encounter | BILLABLE CODE |
| T65.294D | Toxic effect of other tobacco and nicotine, undetermined, subsequent encounter | BILLABLE CODE |
| T65.294S | Toxic effect of other tobacco and nicotine, undetermined, sequela | BILLABLE CODE |
