00003
Sending Application
2013-03-10
Definition: This field uniquely identifies the sending application among all other applications within the network enterprise. The network enterprise consists of all those applications that participate in the exchange of HL7 messages within the enterprise. Entirely site-defined. User-defined Table 0361- Application is used as the user-defined table of values for the first component.
Note: By site agreement, implementers may continue to use User-defined Table 0300 - Namespace ID for the first component.