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Concept help - Data Element Derivation

Data Element Derivation - application of a derivation rule to one or more input Data Elements to derive one or more output data elements.

application of a derivation rule to one or more input Data Elements to derive one or more output data elements. ISO/IEC 11179 - Clause 3.2.33

A data element derivation is a formal description of how a particular Data Element can be calculated based on the values of other data elements.

For example, a data element describing a Person-Body Mass Index, BMI Value can be derived from the data elements Person-Weight, Kg and Person-Height, cm according to the derivation rule BMI = Weight/Height2.