| ICD-10 Code | Description |
| T42.8X1A | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, accidental (unintentional), initial encounter |
| T42.8X1D | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, accidental (unintentional), subsequent encounter |
| T42.8X1S | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, accidental (unintentional), sequela |
| T42.8X2A | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, intentional self-harm, initial encounter |
| T42.8X2D | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, intentional self-harm, subsequent encounter |
| T42.8X2S | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, intentional self-harm, sequela |
| T42.8X3A | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, assault, initial encounter |
| T42.8X3D | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, assault, subsequent encounter |
| T42.8X3S | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, assault, sequela |
| T42.8X4A | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, undetermined, initial encounter |
| T42.8X4D | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, undetermined, subsequent encounter |
| T42.8X4S | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, undetermined, sequela |
| T42.8X5A | Adverse effect of antiparkinsonism drugs and other central muscle-tone depressants, initial encounter |
| T42.8X5D | Adverse effect of antiparkinsonism drugs and other central muscle-tone depressants, subsequent encounter |
| T42.8X5S | Adverse effect of antiparkinsonism drugs and other central muscle-tone depressants, sequela |
| T42.8X6A | Underdosing of antiparkinsonism drugs and other central muscle-tone depressants, initial encounter |
| T42.8X6D | Underdosing of antiparkinsonism drugs and other central muscle-tone depressants, subsequent encounter |
| T42.8X6S | Underdosing of antiparkinsonism drugs and other central muscle-tone depressants, sequela |
