A rare genetic hemolytic uremic syndrome (HUS) characterized by infantile onset of relapsing episodes of microangiopathic hemolytic anemia, thrombocytopenia and acute kidney injury. The episodes are often preceded by viral infections. Affected individuals typically present persistent hypertension, hematuria and proteinuria (sometimes in the nephrotic range) and develop chronic kidney disease with age. [from
SNOMEDCT_US]