International Statistical Classification of Diseases and Related Health Problems, 10th Revision codes for deaths related to toxic (starting with T) and chronic (starting with F) use of cocaine, opioids and amphetamines*
| Code | Description | No. of deaths included in study (no. with code as the primary cause) |
|---|---|---|
| Cocaine | ||
| Any T405 | Poisoning by or adverse effect of cocaine | 1723 (0) |
| Any F140–F149 | Cocaine-related mental and behavioural disorders | 1513 (47) |
| Both T and F code present | 653 | |
| Only F140–F149 | 625 | |
| Opioids | ||
| Any T400–T404 or T406 | Poisoning by or adverse effect of opioids | 3036 (0) |
| Any F110–F119 | Opioid-related mental and behavioural disorders | 1035 (12) |
| Both T and F code present | 629 | |
| Only F110–F119 | 261 | |
| Amphetamines | ||
| Any T436 | Poisoning by or adverse effect of psychostimulants | 567 (0) |
| Any F150–F159 | Psychostimulant-related mental and behavioural disorders | 409 (3) |
| Both T and F code present | 229 | |
| Only F150–F159 | 101 | |
↵* These totals are not mutually exclusive; any death with codes for multiple drugs is counted here for each drug. All deaths with a T code (first row for each drug) were included in the main analyses, and any deaths with an F code for only 1 of the drugs were used as a comparator.