| Code | Description | Deutsch (German) | Comment | Version |
| E | Error | Fehler | Transaction was unsuccessful | added v2.5 |
| F | Fatal Error | | Message not processed due to application or network failure condition | added v2.6 |
| I | Information | Information | Transaction was successful but includes information e.g. inform patient | added v2.5 |
| W | Warning | Warnung | Transaction successful, but there may issues | added v2.5 |