| T426X5 | Adverse effect of other antiepileptic and sedative-hypnotic drugs |
| T426X5A | Adverse effect of other antiepileptic and sedative-hypnotic drugs, initial encounter |
| T426X5D | Adverse effect of other antiepileptic and sedative-hypnotic drugs, subsequent encounter |
| T426X5S | Adverse effect of other antiepileptic and sedative-hypnotic drugs, sequela |
| T426X6 | Underdosing of oth antiepileptic and sedative-hypnotic drugs Underdosing of other antiepileptic and sedative-hypnotic drugs |
| T426X6A | Underdosing of other antiepileptic and sedative-hypnotic drugs, initial encounter |
| T426X6D | Underdosing of other antiepileptic and sedative-hypnotic drugs, subsequent encounter |
| T426X6S | Underdosing of other antiepileptic and sedative-hypnotic drugs, sequela |
| T427 | Poisoning by, adverse effect of and underdosing of unspecified antiepileptic and sedative-hypnotic drugs |
| T4271 | Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, accidental (unintentional) |
| T4271XA | Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, accidental (unintentional), initial encounter |
| T4271XD | Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, accidental (unintentional), subsequent encounter |
| T4271XS | Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, accidental (unintentional), sequela |
| T4272 | Poisoning by unsp antieplptc and sed-hypntc drugs, self-harm Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, intentional self-harm |
| T4272XA | Poisn by unsp antieplptc and sed-hypntc drugs, slf-hrm, init Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, intentional self-harm, initial encounter |
| T4272XD | Poisn by unsp antieplptc and sed-hypntc drugs, slf-hrm, subs Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, intentional self-harm, subsequent encounter |
| T4272XS | Poisn by unsp antieplptc and sed-hypntc drugs, slf-hrm, sqla Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, intentional self-harm, sequela |
| T4273 | Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, assault |
| T4273XA | Poisn by unsp antieplptc and sed-hypntc drugs, assault, init Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, assault, initial encounter |
| T4273XD | Poisn by unsp antieplptc and sed-hypntc drugs, assault, subs Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, assault, subsequent encounter |
| T4273XS | Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, assault, sequela |
| T4274 | Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, undetermined |
| T4274XA | Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, undetermined, initial encounter |
| T4274XD | Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, undetermined, subsequent encounter |
| T4274XS | Poisoning by unspecified antiepileptic and sedative-hypnotic drugs, undetermined, sequela |
| T4275 | Adverse effect of unspecified antiepileptic and sedative-hypnotic drugs |
| T4275XA | Adverse effect of unsp antieplptc and sed-hypntc drugs, init Adverse effect of unspecified antiepileptic and sedative-hypnotic drugs, initial encounter |
| T4275XD | Adverse effect of unsp antieplptc and sed-hypntc drugs, subs Adverse effect of unspecified antiepileptic and sedative-hypnotic drugs, subsequent encounter |
| T4275XS | Adverse effect of unspecified antiepileptic and sedative-hypnotic drugs, sequela |
| T4276 | Underdosing of unspecified antiepileptic and sedative-hypnotic drugs |
| T4276XA | Underdosing of unsp antiepileptic and sed-hypntc drugs, init Underdosing of unspecified antiepileptic and sedative-hypnotic drugs, initial encounter |
| T4276XD | Underdosing of unsp antiepileptic and sed-hypntc drugs, subs Underdosing of unspecified antiepileptic and sedative-hypnotic drugs, subsequent encounter |
| T4276XS | Underdosing of unsp antieplptc and sed-hypntc drugs, sequela Underdosing of unspecified antiepileptic and sedative-hypnotic drugs, sequela |
| T428 | Poisoning by, adverse effect of and underdosing of antiparkinsonism drugs and other central muscle-tone depressants |
| T428X | Poisoning by, adverse effect of and underdosing of antiparkinsonism drugs and other central muscle-tone depressants |
| T428X1 | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, accidental (unintentional) |
| T428X1A | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, accidental (unintentional), initial encounter |
| T428X1D | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, accidental (unintentional), subsequent encounter |
| T428X1S | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, accidental (unintentional), sequela |
| T428X2 | Poisoning by antiparkns drug/centr musc-tone depr, self-harm Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, intentional self-harm |
| T428X2A | Poisn by antiparkns drug/centr musc-tone depr, slf-hrm, init Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, intentional self-harm, initial encounter |
| T428X2D | Poisn by antiparkns drug/centr musc-tone depr, slf-hrm, subs Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, intentional self-harm, subsequent encounter |
| T428X2S | Poisn by antiparkns drug/centr musc-tone depr, slf-hrm, sqla Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, intentional self-harm, sequela |
| T428X3 | Poisoning by antiparkns drug/centr muscle-tone depr, assault Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, assault |
| T428X3A | Poisn by antiparkns drug/centr musc-tone depr, assault, init Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, assault, initial encounter |
| T428X3D | Poisn by antiparkns drug/centr musc-tone depr, assault, subs Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, assault, subsequent encounter |
| T428X3S | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, assault, sequela |
| T428X4 | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, undetermined |
| T428X4A | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, undetermined, initial encounter |
| T428X4D | Poisoning by antiparkinsonism drugs and other central muscle-tone depressants, undetermined, subsequent encounter |