PLATELET AB,INDIRECT(IGM)

If the marker PLATELET AB,INDIRECT(IGM) on a PLATELET ANTIBODIES panel from Quest Diagnostics is positive, it indicates the presence of circulating platelet antibodies of the IgM class. A positive result for platelet antibodies, indirect IgM suggests an immune-mediated cause for a low platelet count (thrombocytopenia) or other platelet disorders. The platelet antibodies, indirect test identifies circulating platelet antibodies in the patient's serum. A positive IgM result means the patient has produced IgM antibodies that are reacting with their own platelets. This can occur in conditions like immune thrombocytopenic purpura (ITP), neonatal alloimmune thrombocytopenia (NAIT), or post-transfusion purpura. A positive platelet antibody, indirect IgM result should be interpreted in the clinical context by the ordering physician. Further testing may be needed to determine the specific cause of the thrombocytopenia or platelet disorder.