has modifier disease has basis in dysfunction of ADAMTS13 inherited bleeding disorder, platelet-type congenital thrombotic thrombocytopenic purpura Congenital thrombotic thrombocytopenic purpura is the hereditary form of thrombotic thrombocytopenic purpura (TTP) characterized by profound peripheral thrombocytopenia, microangiopathic hemolytic anemia (MAHA) and single or multiple organ failure of variable severity. GARD:0009430 ICD10:M31.3 ICD9:287.33 MONDO:0010122 Microangiopathic hemolytic Anemia Microangiopathic hemolytic Anemia, congenital NCIT:C131657 OMIM:274150 Orphanet:93583 SCTID:373420004 Schulman-Upshaw syndrome TTP TTP, congenital USS Upshaw Factor, deficiency of Upshaw-Schulman syndrome congenital ADAMTS-13 deficiency congenital ADAMTS13 deficiency congenital TTP familial TTP hereditary thrombotic thrombocytopenic purpura thrombotic microangiopathy, familial thrombotic thrombocytopenic purpura, congenital thrombotic thrombocytopenic purpura, familial thrombotic thrombocytopenic purpura inherited inherited blood coagulation disorder inherited thrombocytopenia