A method for preparing a medical report. Some example methods include receiving one or more medical data readings, where respective individual medical data readings include a numerical result of a medical test; processing the medical data readings into report data, where the report data includes the individual medical data readings and categorized ranges associated with the medical tests associated with individual medical data readings; and creating a medical data report including the report data, graphical representations of individual medical data readings and the respective categorized ranges, and textual descriptive information pertaining to the respective medical data readings.