E20 Segment Header Information

To provide for grouping the data elements by segment ID value for the electronic form of the X12 standards.

Position: E20-01 · Element: 487 · Name: Maintenance Operation Code · Type: Identifier (ID) · Requirement: Mandatory · Min: 1 · Max: 1 · Repeat: -

Code indicating the type maintenance operation.

Position: E20-02 · Element: 721 · Name: Segment ID Code · Type: Identifier (ID) · Requirement: Mandatory · Min: 2 · Max: 3 · Repeat: -

Code defining the segment ID of the data segment in error. See Appendix A - Number 77.

Position: E20-03 · Element: 352 · Name: Description · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 80 · Repeat: -

A free-form description to clarify the related data elements and their content.

E2003 contains the segment title.

Position: E20-04 · Element: 490 · Name: Note Identification Number · Type: Numeric (N0) · Requirement: Optional · Min: 1 · Max: 6 · Repeat: -

A number providing a reference to a segment or file which contains notes or comments related to X12 standards documentation.

E2004 is the 'Note ID Number' of the E40 segment which contains this segment's non-standard comments. These comments are as they appear in the transaction set listings of the standards documentation.