'204' – unknown key identifier. Remaining segments The remaining segments in the acknowledgement message are populated as follows. Refer to the earlier description of the PID segment for further details. Field code Description Value domain RF1 segment RF1-6 Original referral identifier PRD segment PRD-1 Provider role PID segment … Example acknowledgement message Here is an example acknowledgement message: MSH|^~\&|MEDTECH32|testedi||CMDHB|201410201209||RRI^I12|hC94641|P|2.4|| MSA|AA|hC94641||| RF1||||||2657598 PRD|GP PID|||ABC1235^^NHI||Curtis^Mary||19870208|F|||123 Ballet Avenue^Sandringham^Auckland 1025 Transport acknowledgement message This is a standard HL7 ACK message that notifies the sender that the message has been successfully delivered to the receiver system and could be parsed. An acknowledgement message is returned automatically by the system and does not indicate that a person has seen the message. Note that the specification does not say what the original sending system should do on receiving a transport acknowledgement message.
'204' – unknown key identifier. Remaining segments The remaining segments in the acknowledgement message are populated as follows. Refer to the earlier description of the PID segment for further details. Field code Description Value domain RF1 segment RF1-6 Original referral identifier PRD segment PRD-1 Provider role PID segment … Example acknowledgement message Here is an example acknowledgement message: MSH|^~\&|MEDTECH32|testedi||CMDHB|201410201209||RRI^I12|hC94641|P|2.4|| MSA|AA|hC94641||| RF1||||||2657598 PRD|GP PID|||ABC1235^^NHI||Curtis^Mary||19870208|F|||123 Ballet Avenue^Sandringham^Auckland 1025 Transport acknowledgement message This is a standard HL7 ACK message that notifies the sender that the message has been successfully delivered to the receiver system and could be parsed. An acknowledgement message is returned automatically by the system and does not indicate that a person has seen the message. Note that the specification does not say what the original sending system should do on receiving a transport acknowledgement message.
hiso-10011-4-2015-edischarge-messaging-standard-jul15.docx