Message Identifier
| Element Number | N.2.R.1 |
| Element Name | Message Identifier |
| English Name | Message Identifier (Message Identifier) |
| Data Type | Alphanumeric |
| Max Length | 100 |
| Required | No |
| Allowed Values | Free Text |
No null flavors allowed
This data element contains the message identifier (also known as the message wrapper). It is a unique tracking identifier assigned by the sender for each ICH ICSR message being transmitted. An ICH ICSR message contains only one ICSR.