The immunobilan panel is a blood test. Mine was done by Unevx, Inc in Reno (associated with Redlabs???). It is not approved by the FDA, as many of Dr P's tests note. It shows the evidence of antibodies (IgA) to bad gut bacteria such as Klebsiella pneumoniae subsp., Proteus mirabilis, Citrobacter koseri, etc. It ranks them as "normal range, high range or extremely positive". My guess would be that this is showing the evidence of antibodies to these bad bacteria that are found in the blood. To me this would suggest something like "leaky gut" and the fact that these bad bacteria may be getting into the blood stream and upregulating the immune system...????? just my guess.