Giardia lamblia Ag

An ova and parasite test looks for intestinal parasites and their eggs (ova) by checking a sample of your stool (poop) under a microscope. The test is also called an O&P.

An ova and parasite test is used to see if intestinal parasites are causing symptoms that appear to be from an intestinal infection. This information helps your health care provider know how to treat your illness. The test may also be used to see if treatment for intestinal parasites is working.