REF Reference Numbers

To specify identifying numbers.

Position
Element
Name
Type
Requirement
Min
Max
Repeat
REF01
Reference Number Qualifier
Identifier (ID)
Mandatory
2
2
-
Code qualifying the Reference Number.
REF02
Reference Number
String (AN)
Conditional
1
30
-
Reference number or identification number as defined for a particular Transaction Set, or as specified by the Reference Number Qualifier.
Either REF02 or REF03 is required.
REF03
Description
String (AN)
Conditional
1
80
-
A free-form description to clarify the related data elements and their content.

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