| Description | ICD-9 Codes | ICD-10 Codes |
| Mental and behavioural disorders due to drug use (excluding alcohol and tobacco) | 292, 304, 305.2–305.9 | F11–F16, F18–F19 |
| Accidental poisoning by drugs, medicaments and biological substances | E850–E858 | X40–X44 |
| Intentional self-poisoning by drugs, medicaments and biological substances | E950.0–E950.5 | X60–X64 |
| Assault by drugs, medicaments and biological substances | E962.0 | X85 |
| Poisoning by drugs, medicaments and biological substances, undetermined intent | E980.0–E980.5 | Y10–Y14 |