| .01 | event reason code(+) | 0;1 | FREE TEXT | | B | This is the coded value for the event reason. |
| .02 | hl7 application parameter(+) | 0;2 | POINTER | 771 | | This field allows different HL7 Application Parameters to be linked to the
same event reason. |
| .03 | hl7 event type(+) | 0;3 | POINTER | 779.001 | | This field links an event type (ADT) to a specific event reason. |
| .04 | short description | 0;4 | FREE TEXT | | | This is the text that the user will see on reports and displays. |
| 50 | description | DESC;0 | WORD-PROCESSING | | | This is the full-length description of the event reason code. This text
will not be displayed to the user. |