Message Structure
18 segments
R RequiredO Optional Choice
MSH
R1SCH
R1NTE
O*PATIENT
O*PID
R1PD1
O1PV1
O1PV2
O1OBX
O*DG1
O*RESOURCES
R*RGS
R1SERVICE
O*AIS
R1NTE
O*GENERAL_RESOURCE
O*AIG
R1NTE
O*LOCATION_RESOURCE
O*AIL
R1NTE
O*PERSONNEL_RESOURCE
O*AIP
R1NTE
O*14 events