We will add a new extension called observation-extract-category as 0..* on Questionnaire and Questionnaire.item with data type CodeableConcept. Name "Observation Extract Category" Description: "Indicates the Observation.category value(s) that should appear on extracted Observations for the entire Questionnaire or for the current item and descendant items.  If this extension appears at multiple levels in the Questionnaire, those defined on lower-level items override those declared on higher-level items." Will add this extension to the Observation extraction questionnaire profile Will update the observation extraction example(s) to highlight the use of this new extension, including overriding.