X12 Dictionary Menu

Search X12 data elements: The X12 data element is the smallest named unit of information in the standard. A simple data element is equivalent to a field in a data dictionary. It has a name, a data element number, a brief description, a data type, and a minimum and maximum length. When a group of two or more simple data elements are linked together to form a single data element, they are referred to as a composite data structure.
A user may browse a listing of only the X12 data elements used in the DLMS ICs. It does not represent a complete set of data elements in all the X12 transaction sets. Clicking on an element ID will provide the X12 standard definition of the data element.
Search X12 Data Elements

Search X12 Segments: The data segment comprises simple data elements and/or composite data structure(s) and separators, as an intermediate unit of information in a transaction set. Each data segment has a unique segment ID and is used to convey a grouping of functionally-related user information.
A user may browse a listing of only the X12 segments used in the DLMS ICs. It does not represent a complete set of segments in all the X12 transaction sets. Clicking on a segment ID will provide the X12 standard definition and the X12 data elements of the segment.
Search X12 Segments