X12 Control Segments Last updated: 2024-08-23

Structure of X12 Envelopes

The actual X12 document structure has hierarchical levels. From highest to the lowest, they are:

  • Interchange Envelope

  • Functional Group

  • Transaction Set

A schematic structure of X12 documents is shown below:

X12 Diagram

X12 control segments in ediFabric .NET