ICD-10 drowning codes and other relevant codes (n=1375)
| As referred to within this study | ICD-10 code | Definition | Number of cases as the UCoD (n) |
| Primary drowning codes (W65-74 Accidental drowning and submersion) | W65 | Drowning and submersion while in bathtub | 40 |
| W66 | Drowning and submersion following fall into bathtub | 9 | |
| W67 | Drowning and submersion while in swimming pool | 94 | |
| W68 | Drowning and submersion following fall into swimming pool | 62 | |
| W69 | Drowning and submersion while in natural water | 384 | |
| W70 | Drowning and submersion following fall into natural water | 156 | |
| W73 | Other specified drowning and submersion | 45 | |
| W74 | Unspecified drowning and submersion | 76 | |
| Drowning-related codes | T75.1 | Drowning and non-fatal submersion | 3 |
| V90 | Drowning and submersion due to accident to watercraft | 78 | |
| V92 | Drowning and submersion due to accident on board watercraft, without accident to watercraft | 50 | |
| X38 | Victim of flood | 34 | |
| Y21 | Drowning and submersion, undetermined intent | 84 | |
| Intentional drowning code | X71 | Intentional self-harm by drowning and submersion | 19 |
| X92 | Assault by drowning and submersion | 0 | |
| Examples of non-drowning codes | G40 | Epilepsy | 40 |
| I25 | Chronic ischaemic heart disease | 23 | |
| R99 | Ill-defined and unknown cause of mortality | 15 | |
| Total | 1212 | ||
ICD, International Classification of Diseases; UCoD, underlying cause of death.