All About Lab Results: Part 1 of 4...May 30, 2014 May 30, 2014 Dann After demonstrating how CAT scans work, my friend Deb suggested I do the same for "lab results." At the risk of going completely over the edge, I'm going for it. Here it is: Everything you ever wanted to know about LAB RESULTS! The results can be puzzling… … or even a complete surprise.