{"batchcode": "04/A21A", "histograms": [{"histogram": {"Arrhythmia": 2, "Blood test": 2, "Cerebrovascular accident": 2, "Computerised tomogram": 2, "Cardiac monitoring": 1, "Magnetic resonance imaging": 1, "Magnetic resonance imaging head": 1, "Magnetic resonance imaging thoracic": 1}, "batchcodes": ["04/A21A"]}]}