| T44.991 | Poisoning by other drug primarily affecting the autonomic nervous system, accidental (unintentional) | NON-BILLABLE CODE |
| T44.991A | Poisoning by other drug primarily affecting the autonomic nervous system, accidental (unintentional), initial encounter | BILLABLE CODE |
| T44.991D | Poisoning by other drug primarily affecting the autonomic nervous system, accidental (unintentional), subsequent encounter | BILLABLE CODE |
| T44.991S | Poisoning by other drug primarily affecting the autonomic nervous system, accidental (unintentional), sequela | BILLABLE CODE |
| T44.992 | Poisoning by other drug primarily affecting the autonomic nervous system, intentional self-harm | NON-BILLABLE CODE |
| T44.992A | Poisoning by other drug primarily affecting the autonomic nervous system, intentional self-harm, initial encounter | BILLABLE CODE |
| T44.992D | Poisoning by other drug primarily affecting the autonomic nervous system, intentional self-harm, subsequent encounter | BILLABLE CODE |
| T44.992S | Poisoning by other drug primarily affecting the autonomic nervous system, intentional self-harm, sequela | BILLABLE CODE |
| T44.993 | Poisoning by other drug primarily affecting the autonomic nervous system, assault | NON-BILLABLE CODE |
| T44.993A | Poisoning by other drug primarily affecting the autonomic nervous system, assault, initial encounter | BILLABLE CODE |
| T44.993D | Poisoning by other drug primarily affecting the autonomic nervous system, assault, subsequent encounter | BILLABLE CODE |
| T44.993S | Poisoning by other drug primarily affecting the autonomic nervous system, assault, sequela | BILLABLE CODE |
| T44.994 | Poisoning by other drug primarily affecting the autonomic nervous system, undetermined | NON-BILLABLE CODE |
| T44.994A | Poisoning by other drug primarily affecting the autonomic nervous system, undetermined, initial encounter | BILLABLE CODE |
| T44.994D | Poisoning by other drug primarily affecting the autonomic nervous system, undetermined, subsequent encounter | BILLABLE CODE |
| T44.994S | Poisoning by other drug primarily affecting the autonomic nervous system, undetermined, sequela | BILLABLE CODE |
| T44.995 | Adverse effect of other drug primarily affecting the autonomic nervous system | NON-BILLABLE CODE |
| T44.995A | Adverse effect of other drug primarily affecting the autonomic nervous system, initial encounter | BILLABLE CODE |
| T44.995D | Adverse effect of other drug primarily affecting the autonomic nervous system, subsequent encounter | BILLABLE CODE |
| T44.995S | Adverse effect of other drug primarily affecting the autonomic nervous system, sequela | BILLABLE CODE |
| T44.996 | Underdosing of other drug primarily affecting the autonomic nervous system | NON-BILLABLE CODE |
| T44.996A | Underdosing of other drug primarily affecting the autonomic nervous system, initial encounter | BILLABLE CODE |
| T44.996D | Underdosing of other drug primarily affecting the autonomic nervous system, subsequent encounter | BILLABLE CODE |
| T44.996S | Underdosing of other drug primarily affecting the autonomic nervous system, sequela | BILLABLE CODE |
