Element description of EDI segments

ISA - Interchange Contro1 Header

ISA01 - Authorization Information Qualifier
ISA02 - Authorization Information
ISA03 - Security Information Qualifier
ISA04 - Security Information
ISA05 - Interchange ID Qualifier
ISA06 - Interchange Sender ID
ISA07 - Interchange ID Qualifier
ISA08 - Interchange Receiver ID
ISA09 - Interchange Date
ISA10 - Interchange Time
ISA11 - Interchange Control Standards ID
ISA12 - Interchange Control Version number
ISA13 - Interchange Control Number
ISA14 - Acknowledgement Requested
ISA15 - Test Indicator
ISA16 - Sub element separator

GS – Functional Group Header

GS01 - Functional ID code
GS02 - Application sender Id
GS03 - Application receiver Id
GS04 - Date
GS05 - Time
GS06 - Group Control number
GS07 - Responsible agency code
GS08 - Version/Rel Ind.ID code

ST – Functional Group Header

ST01 - Transaction Set ID Code
ST02 - Transaction set Control number

SE – Functional Group Trailer

SE01 - Number of included Segments
SE02 - Transaction Set Control Number

GE – Functional Group Trailer

GE01 - Number of Included Segments
GE02 - Group Control Number

IEA - Interchange Contro1 Trailer

IEA01 - Number of Functional Groups
IEA02 - Interchange Control Number