Procedure Master File place an order document that a procedure was performed trigger charges if necessary lab, imaging, procedure, referral, immunization Order Composer The box of details in which an end user sees the default details for an order, and can change most of them before signing the order Summary Sentence A hyperlink to the Order Composer that summarizes some of the order's details Display items The fields that appear in the Order Composer Default value Pre-populated value in a field Item Buttons Buttons located to the right of a field Allowed... The subset of values made available for an item (example: allowed specimen sources and allowed frequencies). Additional Order Details hyperlink A hyperlink used to make more display items appear Control Item A field that is required or recommended Procedure Hierarchy