OVA AND PARASITE 0000681
$32.20
The Ova and Parasite (O&P) test is designed to determine whether you have a parasite infecting your digestive tract. You and your doctor may order this test when you have diarrhea that lasts more than a few days and/or have blood or mucus in your loose stools, especially if you have drunk unpurified water while camping or have traveled outside of the United States.