| 01 | Private medical practitioner (excluding psychiatrist) |
| 02 | Emergency department |
| 03 | Outpatient department |
| 06 | Episode change |
| 08 | Outborn |
| 09 | Born in hospital |
| 10 | Retrieval from another hospital |
| 14 | Other health care establishment |
| 15 | Private psychiatrist |
| 16 | Correctional facility |
| 17 | Law enforcement agency |
| 18 | Community service |
| 19 | Retrieval not from other hospital |
| 21 | Boarder |
| 22 | Routine readmission not requiring referral |
| 23 | Residential aged care service |
| 24 | Admitted patient transferred from another hospital |
| 25 | Non-admitted patient referred from another hospital |
| 29 | Other |
| 30 | Planned emergency |
| 31 | Residential mental health care facility |
| 32 | Change of reference period |