A mild elevated number in a liver function test, may not be significant clinically. Most of the time, it is just an incidental finding or it may some intercurrent illness which caused a hyperbilirubinemia, that is high levels of bilirubin in liver function test. Few decimal increase may not be significant clinically, can definitely ignore it, or if it is causing any trouble, you can always visit your family physician who can help you out.General Health | Doctors' Circle