Polychlorinated Biphenyls (PCB) Congeners, Screen and Confirmation Labcorp test 790890

This test measures the level of polychlorinated biphenyls (PCBs) in your blood, which are man-made chemicals that can build up in the body over time. It helps determine if you have been exposed to high amounts of these toxins, which are sometimes found in contaminated food or old industrial equipment.