SGU Segment usage details

To specify the details of the usage of a segment within a message type structure.

Position
Element
Name
Type
Requirement
Min
Max
Repeat
010
Segment tag
String (AN)
Mandatory
1
3
-
Tag of a segment.
020
Requirement designator, coded
String (AN)
Conditional
1
3
-
To specify the designated requirement.
030
Maximum number of occurrences
Numeric (N)
Conditional
1
7
-
To specify the maximum number of occurrences.
040
Level number
Numeric (N)
Conditional
1
1
-
Relative hierarchical position of a data segment within a message as expressed in a branching diagram.
050
Sequence number
String (AN)
Conditional
1
6
-
Number indicating the position in a sequence.
060
Message section, coded
String (AN)
Conditional
1
3
-
Recognition of a particular part of a message.
070
Maintenance operation, coded
String (AN)
Conditional
1
3
-
To indicate the type of data maintenance operation for an object, such as add, delete, replace.

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