| Substance | Poisoning, Accidental (unintentional) | Poisoning, Intentional self-harm | Poisoning, Assault | Poisoning, Undetermined | Adverse effect | Underdosing |
|---|---|---|---|---|---|---|
| Anticonvulsant | T42.71 | T42.72 | T42.73 | T42.74 | T42.75 | T42.76 |
| barbiturate | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |
| combination (with barbiturate) | T42.3X1 | T42.3X2 | T42.3X3 | T42.3X4 | T42.3X5 | T42.3X6 |
| hydantoin | T42.0X1 | T42.0X2 | T42.0X3 | T42.0X4 | T42.0X5 | T42.0X6 |
| hypnotic NEC | T42.6X1 | T42.6X2 | T42.6X3 | T42.6X4 | T42.6X5 | T42.6X6 |
| oxazolidinedione | T42.2X1 | T42.2X2 | T42.2X3 | T42.2X4 | T42.2X5 | T42.2X6 |
| pyrimidinedione | T42.6X1 | T42.6X2 | T42.6X3 | T42.6X4 | T42.6X5 | T42.6X6 |
| specified NEC | T42.6X1 | T42.6X2 | T42.6X3 | T42.6X4 | T42.6X5 | T42.6X6 |
| succinimide | T42.2X1 | T42.2X2 | T42.2X3 | T42.2X4 | T42.2X5 | T42.2X6 |