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3.2.34 ACK/ADT - merge patient information - patient ID only (event A34)

Only PID-3-patient ID (internal ID) has changed as a result of the merge. See Section 3.5.2, "Merging patient/person information," for a discussion of issues related to the implementation of merge messages.

An A34 (merge patient information-patient ID only) event is intended for merging or changing patient identifiers. It would be used to change patient identifiers on all of this patient’s existing accounts.

ADT     ADT Message        Chapter
MSH      Message Header         2
EVN     Event Type         3
PID      Patient Identification       3
[PD1]    Additional Demographics      3
MRG      Merge Information        3
ACK     General Acknowledgment     Chapter
MSH     Message Header        2
MSA     Message Acknowledgment      2
[ ERR ]    Error Information        2

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