Fig. 5From: Defining health data elements under the HL7 development framework for metadata managementThe input and revise interface of domain DE in the system. Domain DEs are standardized through 22 metadata descriptions, including 14 data element attributes and 6 value code attributes. Among them, data element attributes reflect relationships among domain DEs, HCDM and NHDD. Value domain attributes reflect the relationship between domain DEs and controlled vocabulariesBack to article page