International ORU Structure
By way of comparison the International HL7 2.4 standard has the following message structure which is varied by the Australian localisation (See section 1.7).
International ORU Message Structure
ORU^R01 Unsolicited Observation Message MSH Message Header { [ PID Patient Identification [PD1] Additional Demographics [{NK1}] Next of Kin/Associated Parties [{NTE}] Notes and Comments [ PV1 Patient Visit [PV2] Patient Visit - Additional Info ] ] { [ORC] Order common OBR Observations Report ID {[NTE]} Notes and comments [CTD] Contact Data { [OBX] Observation/Result {[NTE]} Notes and comments } [{FT1}] Financial Transaction {[CTI]} Clinical Trial Identification } } [DSC] Continuation Pointer