A child presents with complaints of oliguria, abdominal distension and diarrhoea. On examination, there is deep jaundice. Hepatomegaly was present measuring 4 cm below the costal margin. Conjugated bilirubin of the following tests is of least importance toin blood was 38 mg/dL, and there was urine urobilinogen and bile pigments. Hemoglobin was 4mg/dL, and serum creatinine was 3mg/dL. Which diagnose this case -
G–6–PD level in blood Serum ceruloplasmin Reticulocyte count Leptospiral antibody level