C999 Reference in Segment

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

Position
Element
Name
Type
Requirement
Min
Max
Repeat
C999-01
Data Element Reference Number
Numeric (N0)
Mandatory
1
4
-
Reference number used to locate the data element in the Data Element Dictionary
This element holds the reference number of the simple or composite element at segment level.
C999-02
Data Element Reference Number
Numeric (N0)
Optional
1
4
-
Reference number used to locate the data element in the Data Element Dictionary
This element holds the reference number of the simple element within a composite.

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