| T44.901 | Poisoning by unspecified drugs primarily affecting the autonomic nervous system, accidental (unintentional) | NON-BILLABLE CODE |
| T44.901A | Poisoning by unspecified drugs primarily affecting the autonomic nervous system, accidental (unintentional), initial encounter | BILLABLE CODE |
| T44.901D | Poisoning by unspecified drugs primarily affecting the autonomic nervous system, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T44.901S | Poisoning by unspecified drugs primarily affecting the autonomic nervous system, accidental (unintentional), sequela | BILLABLE CODE |
| T44.902 | Poisoning by unspecified drugs primarily affecting the autonomic nervous system, intentional self-harm | NON-BILLABLE CODE |
| T44.902A | Poisoning by unspecified drugs primarily affecting the autonomic nervous system, intentional self-harm, initial encounter | BILLABLE CODE |
| T44.902D | Poisoning by unspecified drugs primarily affecting the autonomic nervous system, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T44.902S | Poisoning by unspecified drugs primarily affecting the autonomic nervous system, intentional self-harm, sequela | BILLABLE CODE |
| T44.903 | Poisoning by unspecified drugs primarily affecting the autonomic nervous system, assault | NON-BILLABLE CODE |
| T44.903A | Poisoning by unspecified drugs primarily affecting the autonomic nervous system, assault, initial encounter | BILLABLE CODE |
| T44.903D | Poisoning by unspecified drugs primarily affecting the autonomic nervous system, assault, subsequent encounter | BILLABLE CODE |
| T44.903S | Poisoning by unspecified drugs primarily affecting the autonomic nervous system, assault, sequela | BILLABLE CODE |
| T44.904 | Poisoning by unspecified drugs primarily affecting the autonomic nervous system, undetermined | NON-BILLABLE CODE |
| T44.904A | Poisoning by unspecified drugs primarily affecting the autonomic nervous system, undetermined, initial encounter | BILLABLE CODE |
| T44.904D | Poisoning by unspecified drugs primarily affecting the autonomic nervous system, undetermined, subsequent encounter | BILLABLE CODE |
| T44.904S | Poisoning by unspecified drugs primarily affecting the autonomic nervous system, undetermined, sequela | BILLABLE CODE |
| T44.905 | Adverse effect of unspecified drugs primarily affecting the autonomic nervous system | NON-BILLABLE CODE |
| T44.905A | Adverse effect of unspecified drugs primarily affecting the autonomic nervous system, initial encounter | BILLABLE CODE |
| T44.905D | Adverse effect of unspecified drugs primarily affecting the autonomic nervous system, subsequent encounter | BILLABLE CODE |
| T44.905S | Adverse effect of unspecified drugs primarily affecting the autonomic nervous system, sequela | BILLABLE CODE |
| T44.906 | Underdosing of unspecified drugs primarily affecting the autonomic nervous system | NON-BILLABLE CODE |
| T44.906A | Underdosing of unspecified drugs primarily affecting the autonomic nervous system, initial encounter | BILLABLE CODE |
| T44.906D | Underdosing of unspecified drugs primarily affecting the autonomic nervous system, subsequent encounter | BILLABLE CODE |
| T44.906S | Underdosing of unspecified drugs primarily affecting the autonomic nervous system, sequela | BILLABLE CODE |
