CRP and Increased total eosinophil count: The blood test revealed an elevation of CRP to 12.1 mg/dL and ESR of 32 mm/h, leucocytosis (12.900/uL), normal count of neutrophils and lymphocytes, eosinophilia (19%), thrombocytosis (460.000/uL), and a 1.5-fold increase in serum creatinine (0.66 to 1 mg/dL), with a glomerular filtration rate (GFR) that decreased from 96 to 64 mL/min/1.73 m2 and without proteinuria or hematuria.