Code indicating the type maintenance operation.

Relative position of the data element in the segment definition. It is 1 for the data element immediately following the segment ID and is incremented by 1 for each succeeding element to the end of the segment.

Reference number used to locate the Data Element Dictionary.

Requirement designator as specified in the standard or standards convention.

A code that indicates the type of data element.

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