A system for use with a user interface system, a first data provider, a second data provider and a display device. The system comprises a data input component, a fishbone diagram generating component, an output component, a user interface component, and a data trend generating component. The data trend generating component can generate data trend image data based on a trends diagram instruction. The output component can further output the data trend image data to the display device to be displayed so as to include a first graphical function and a second graphical function, wherein the first graphical function corresponds to first patient laboratory test data, and wherein the second graphical function corresponds to second patient laboratory test data.