platelet antibody detection test

platelet antibody detection test, a blood test used to detect immune-mediated destruction of platelets. Such destruction can cause paroxysmal hemoglobinuria as well as immunological thrombocytopenia, which includes idiopathic thrombocytopenia purpura, posttransfusion purpura, neonatal thrombocytopenia, and drug-induced thrombocytopenia.