| Substance | Poisoning, Accidental (unintentional) | Poisoning, Intentional self-harm | Poisoning, Assault | Poisoning, Undetermined | Adverse effect | Underdosing |
|---|---|---|---|---|---|---|
| Cyanide NEC (s) (compounds) (potassium) (sodium) | T65.0X1 | T65.0X2 | T65.0X3 | T65.0X4 | ||
| dust or gas NEC (inhalation) | T57.3X1 | T57.3X2 | T57.3X3 | T57.3X4 | ||
| fumigant | T65.0X1 | T65.0X2 | T65.0X3 | T65.0X4 | ||
| hydrogen | T57.3X1 | T57.3X2 | T57.3X3 | T57.3X4 | ||
| mercuric --see Mercury | ||||||
| pesticide (dust) (fumes) | T65.0X1 | T65.0X2 | T65.0X3 | T65.0X4 |