The patient presented with leukopenia (white blood cell count 3,900/μL), haemolytic anaemia (haemoglobin 9.7 g/dL, haematocrit 29.2 %, and haptoglobin < 10 mg/dL), thrombocytopaenia (platelet 41,000/μL), and azotaemia (blood urea nitrogen 52.9 mg/dL and serum creatinine 2.8 mg/dL). This evidence concerns the gene HP and Thrombocytopenia.