{"batchcode": "004M20N", "histograms": [{"histogram": {"Blood test": 1, "Computerised tomogram": 1, "Dyspnoea": 1, "Echocardiogram": 1, "Electrocardiogram": 1, "Loss of consciousness": 1, "Lung operation": 1, "Pulmonary embolism": 1, "Thrombosis": 1, "Ultrasound scan abnormal": 1}, "batchcodes": ["004M20N"]}]}