| Code | Description |
|---|
| 1 | Awaiting response (the patient is yet to complete the questionnaire) |
| 2 | To be followed up (the questionnaire was sent more than two weeks ago and has not been returned by the patient)* |
| 3 | Reissued awaiting response (a questionnaire has been reissued) |
| 4 | Expired (the questionnaire was sent more than four weeks ago and has not been returned by the patient)* |
| 5 | Received (the patient has returned the questionnaire) |
| 6 | Completed (the PMS has completed the questions regarding medication and opioid use). |