{"batchcode": "0451-21A", "histograms": [{"histogram": {"Anticoagulant therapy": 1, "Blood test normal": 1, "Chest discomfort": 1, "Electrocardiogram ambulatory abnormal": 1, "Laboratory test normal": 1, "Phlebitis": 1, "Ventricular extrasystoles": 1}, "batchcodes": ["0451-21A"]}]}