TORCH Assays are intended for the measurement of the immunoglobulin IgM and IgG produced by pathogens in the body to diagnose TORCH infections which are a group of congenital infections and perinatal infections. TORCH infections are caused by pathogens, toxoplasma gondii (TOX), other pathogens, rubella virus (RV), cytomegalovirus, cytomegalovirus (CMV), herpes simplex virus (HSV), etc., which are passed from mother to child during pregnancy, during delivery, or after birth.