Will not generate a Valueset/Codesystem of 'intended data source' And will add a request for comment in the ballot as to whether such an element is valuable and realistic: Please comment on the need and value of adding a metadata element to the Measure resource to indicate the intended data source to be used to retrieve data for the measure. An initial candidate list based on current categorization, but we are seeking additional categorization and input on whether the categorization is useful/realistic: Clinical - The measure is intended to be run on data originating from clinical source systems such as Electronic Medical/Health Record systems Administrative - The measure is intended to be run on data originating from payment and billing systems such as administrative claims management systems Hybrid - The measure is intended to be run on data originating from both clinical source systems and administrative claims management systems