<prompt> All of the following statements are true about Hemolytic uremic syndrome exceptUraemiaHypofibrinogenemiaThrombocytopeniaPositive coombs test  <response>: Answer is D Positive coombs test: Coombs test is negative in HUS Laboratory findings in HUS - CMDT 2002 556 Anemia: - Microangiopathic hemolytic - Red blood cell fragmentation on peripheral smear - Helmet cells Burr cells Thrombocytopenia WBC counts rise Nelson le 1587 LDH levels are elevated out of propoion to degree of hemolysis Coombs test is negative Tests of coagulation are normal exclude DIC with the exception of -- elevated fibrin degradation products explains hypofibrinogenemia 