Abstract: In one embodiment, a user interface presents patient data on a computer display to a health care provider as a flowsheet including an array of category labels with indications of whether the category is in a collapsed state or an expanded state, the collapsed state being a state wherein data items in that category which are tagged as being hidden items are not displayed and the expanded state being a state wherein data items in that category which are tagged as being hidden items are displayed. Also included is a hierarchical structure of data items associated with at least some of the category labels, wherein parent data items are data items which are above other data items in the hierarchical structure and child data items are data items which are below other data items in the hierarchical structure.