T42.8X1 - Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, accidental (unintentional) T42.8 - Poisoning by, adverse effect of and underdosing of antiparkinsonism drugs and other central muscle-tone depressants T42.8X - Poisoning by, adverse effect of and underdosing of antiparkinsonism drugs and other central muscle-tone depressants T42.8X1 - Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, accidental (unintentional)