| Code | Display | Definition |
| declined-by-patient | Declined by patient | Patient declined transport. |
| refused-by-recipient | Refused by recipient | Transport was refused by recipient. |
| patient-not-available | Patient not available | The patient was not available for transport. |
| specimen-not-available | Specimen not available | The specimen was not available for transport. |
| wrong-request-data | Wrong request data | Wrong data in the transport request. |
| in-route-accident | In route accident | An accident has occurred in route. |
| request-not-acknowledged | Request not acknowledged | The transport request was not acknowledged. |