ADT^A34: Merge patient information - patient ID only

An older merge event that merges patient IDs only. Newer interfaces generally use A40 (merge patient identifier list).

Message type

ADT · ADT message

Trigger event

A34

Message structure

ADT_A30 · per HL7's current table 0354; older versions sometimes paired events differently

In MSH-9

ADT^A34^ADT_A30

Response

ACK · General acknowledgment message

Other events with the ADT_A30 structure

• ADT^A30 Merge person information
• ADT^A35 Merge patient information - account number only
• ADT^A36 Merge patient information - patient ID and account number
• ADT^A46 Change patient ID
• ADT^A47 Change patient identifier list
• ADT^A48 Change alternate patient ID
• ADT^A49 Change patient account number

Source: HL7 Terminology (THO) 7.4.0, published by HL7 International under CC0. Check your trading partner's specification for the values they actually send.