| AP | Other application data, typically uninterpreted binary data (HL7 V2.3 and later) |
| Application | Other application data, typically uninterpreted binary data (HL7 V2.3 and later) |
| AU | Audio data (HL7 V2.3 and later) |
| Audio | Audio data (HL7 V2.3 and later) |
| FT | Formatted text (HL7 V2.2 only) |
| IM | Image data (HL7 V2.3 and later) |
| Image | Image data (HL7 V2.3 and later) |
| multipart | MIME multipart package |
| NS | Non-scanned image (HL7 V2.2 only) |
| SD | Scanned document (HL7 V2.2 only) |
| SI | Scanned image (HL7 V2.2 only) |
| TEXT | Machine readable text document (HL7 V2.3.1 and later) |
| TX | Machine readable text document (HL7 V2.2 only) |