| Code | Display | Definition |
| attached | Attached | The device is connected to the patient. |
| disconnected | Disconnected | The device is no longer connected. |
| failed | Failed | The device has failed to work, or continue to function. |
| placed | placed | The device was placed in the patient. |
| replaced | Replaced | The device was updated with a new device or device part. |
| lost-to-follow-up | Lost To Follow-Up | The relationship status changed because follow-up with the subject or responsible party was lost. |
| record-archived | Record Archived | The relationship status changed because the association record was archived. |
| superseded | Superseded | The relationship status changed because the association was replaced by a newer association record. |
| duplicate | Duplicate | The relationship status changed because the association record was identified as a duplicate. |
| patient-deceased | Patient Deceased | The relationship status changed because the patient associated with the device is deceased. |
| device-retired | Device Retired | The relationship status changed because the device was retired from service. |
| association-ended | Association Ended | The relationship status changed because the association ended. |
| unknown | Unknown | The reason for the relationship status is not known. |