| Value | Category |
|---|---|
| 1 | Autopsy |
| 2 | Post mortem examination |
| 3 | Opinion of attending medical practitioner |
| 4 | Opinion of attending medical practitioner on duty |
| 5 | Opinion of registered professional nurse |
| 6 | Interview of family member |
| 7 | Other |
| 8 | Autopsy results may be available later |
| 9 | Autopsy not performed |
| 98 | Unknown |
| 99 | Unspecified |