Used when it is decided that two patients will exchange beds. The patient id and visit data is repeated for the two patients being swapped. There is an implementation issue related to how systems will handle this.
ADT ADT Message Chapter
Message Structure
4 segments
R RequiredO Optional Choice
MSH
R1EVN
R1PATIENT
R*PID
R1PV1
R1Used by Events:A17Swap Patients