Fig. 3
From: Defining health data elements under the HL7 development framework for metadata management
The relationship of general DE, controlled vocabulary and domain DE. “Entity name” of general DE can be constrained to the domain DE “doctor’s name” based on the term “doctor” and the domain DE “surgeon’s name” based on the term “surgeon” (subtype of “doctor”) in the vocabulary of “roleCode”, and to “operator’s name” based on the term “operator” in the vocabulary of “participationCodeType”. The “entity name” ofgeneral DE can also be constrained to the domain DE “operation doctor’s name” based on the vocabularies combination (pre-coordinated) of the “roleCode (term: doctor)” and “participationCodeType (term: operator)”