This case-sensitive code system http://terminology.hl7.org/CodeSystem/encounter-subject-status defines the following codes:
| Code | Display | Definition |
| arrived | Arrived | The subject has arrived at the physical or virtual location and is ready to receive care. |
| triaged | Triaged | The subject has been seen triaged by staff and is waiting for further care. |
| receiving-care | Receiving Care | The subject is present and commenced receiving care. This can include periods of waiting between care. |
| on-leave | On Leave | The subject has left the physical or virtual location, but is expected to return and resume care as part of this encounter. |
| departed | Departed | The subject has left the physical or virtual location, and is not expected to return as part of this encounter. |