ACK-X12
Line Item Acknowledgement. ANSI ASC X12 segment whose function is to convey acknowledgement information for a line item.
Definition
The ACK segment (Line Item Acknowledgement) belongs to the ANSI ASC X12 segment directory. Its purpose: convey acknowledgement information for a line item.
Origin
Published by ASC X12 — the Accredited Standards Committee chartered by ANSI in 1979. Segments are released version by version (004010, 005010, 006020) and refined by Implementation Guides or TR3 documents (HIPAA).
Use
The ACK segment is used in X12 855 Purchase Order Acknowledgement. Like every X12 segment, it starts with its three-character identifier, followed by elements separated by the data element separator declared in the ISA.