ELU Data element usage details

To specify the usage of a data element.

Position
Element
Name
Type
Requirement
Min
Max
Repeat
010
Data element tag
String (AN)
Mandatory
1
4
-
Tag of a data element.
020
Requirement designator, coded
String (AN)
Conditional
1
3
-
To specify the designated requirement.
030
Sequence number
String (AN)
Conditional
1
10
-
Number indicating the position in a sequence.
040
Maintenance operation, coded
String (AN)
Conditional
1
3
-
To indicate the type of data maintenance operation for an object, such as add, delete, replace.
050
Maximum number of occurrences
Numeric (N)
Conditional
1
7
-
To specify the maximum number of occurrences.

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