ExtensibleTerminologyTerm

The abstract ExtensibleTerminologyTerm class acts as a template that defines 2 attributes, either (but not both) of which may be used be used to indicate the value used for an attribute associated with an extensible enumeration. The controlledTerm attribute is used to specify one of the permissible values from the enumeration or the sponsorTermId attribute is used to indicate which sponsor term is used in the terminology extension for the enumeration. 

Class Diagram: ExtensibleTerminologyTerm