C999 Reference in Segment

To hold the reference number of a data element and optionally a component data element within a composite

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Position
Element
Name
Type
Requirement
Min
Max
Repeat
C999-01
Data Element Reference Code
String (AN)
Mandatory
1
4
-
Code identifying the location of the data element in the Data Element Dictionary
This data element holds the reference number of the simple or composite data element at segment level.
C999-02
Data Element Reference Code
String (AN)
Optional
1
4
-
Code identifying the location of the data element in the Data Element Dictionary
This data element holds the reference number of the simple data element within a composite.
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