OSU^O52: OSU – Order Status Update Acknowledgement

OSU – Order Status Update Acknowledgement. It's sent as an OSU message (Order status update) with the OSU_O52 message structure.

Message type

OSU · Order status update

Trigger event

O52

Message structure

OSU_O52 · per HL7's current table 0354; older versions sometimes paired events differently

In MSH-9

OSU^O52^OSU_O52

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.