| ICD Code | Description |
|---|---|
| T400 | Poisoning by, adverse effect of and underdosing of opium |
| T401 | Poisoning by and adverse effect of heroin |
| T402 | Poisoning by, adverse effect of and underdosing of other opioids |
| T403 | Poisoning by, adverse effect of and underdosing of methadone |
| T404 | Poisoning by, adverse effect of and underdosing of other synthetic narcotics |
| T405 | Poisoning by, adverse effect of and underdosing of cocaine |
| T406 | Poisoning by, adverse effect of and underdosing of other and unspecified narcotics |
| T407 | Poisoning by, adverse effect of and underdosing of cannabis (derivatives) |
| T408 | Poisoning by and adverse effect of lysergide [LSD] |
| T409 | Poisoning by, adverse effect of and underdosing of other and unspecified psychodysleptics [hallucinogens] |