Generated Narrative: ValueSet v2-0353 Include all codes defined in http://terminology.hl7.org/CodeSystem/v2-0353
Concepts that represent an exception identifier code; that is, a code that is not defined in the value set (either model or site-extended). These are occationsally referred to a 'flavors of null' although this set of concepts is specific to the CWE datatype used in Version 2 messaging, and the codes may be used in the 'identifier' component of the 'triplets' in that datatype.
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