IICL Segments UNH

UNH
TO HEAD, IDENTIFY AND SPECIFY A MESSAGE.
Type of message transmitted
Code identifying a type of message and assigned by its controlling agency.
Version number of message.

Revision number of message
Sender’s unique message reference, i.e., estimate, EIR or advice number
Code identifying a type of message and assigned by its controlling agency.
Version number of message.
Key to relate all subsequent transfers of data to the same business file, e.g., customer contract code, etc.
Revision number of message