| Event Code | Event Description |
|---|---|
| A01 | Admit/visit notification |
| A02 | Transfer a patient |
| A03 | Discharge/end visit |
| A04 | Register a patient |
| A05 | Pre-admit a patient |
| A06 | Change an outpatient to an inpatient |
| A07 | Change an inpatient to an outpatient |
| A08 | Update patient information |
| A09 | Patient departing - tracking |
| A10 | Patient arriving - tracking |
| A11 | Cancel admit/visit notification |
| A12 | Cancel transfer |
| A13 | Cancel discharge/end visit |
| A14 | Pending admit |
| A15 | Pending transfer |
| A16 | Pending discharge |
| A17 | Swap patients |
| A18 | Merge patient information |
| A19 | Patient query |
| A20 | Bed status update |
| A21 | Patient goes on a leave of absence |
| A22 | Patient returns from a leave of absence |
| A23 | Delete a patient record |
| A24 | Link patient information |
| A25 | Cancel pending discharge |
| A26 | Cancel pending transfer |
| A27 | Cancel pending admit |
| A28 | Add person information |
| A29 | Delete person information |
| A30 | Merge person information |
| A31 | Update person information |
| A32 | Cancel patient arriving - tracking |
| A33 | Cancel patient departing - tracking |
| A34 | Merge patient information - patient ID only |
| A35 | Merge patient information - account number only |
| A36 | Merge patient information - patient ID and account number |
| A37 | Unlink patient information |
| A38 | Cancel pre-admit |
| A39 | Merge person - patient ID |
| A40 | Merge patient - patient identifier list |
| A41 | Merge account - patient account number |
| A42 | Merge visit - visit number |
| A43 | Move patient information - patient identifier list |
| A44 | Move account information - patient account number |
| A45 | Move visit information - visit number |
| A46 | Change patient ID |
| A47 | Change patient identifier list |
| A48 | Change alternate patient ID |
| A49 | Change patient account number |
| A50 | Change visit number |
| A51 | Change alternate visit ID |
| A52 | Cancel leave of absence for a patient |
| A53 | Cancel patient returns from a leave of absence |
| A54 | Change attending doctor |
| A55 | Cancel change attending doctor |
| A60 | Update allergy information |
| A61 | Change consulting doctor |
| A62 | Cancel change consulting doctor |