{"batchcode": "001ML21A", "histograms": [{"histogram": {"Atrial fibrillation": 1, "Cardiac flutter": 1, "Cardiac monitoring abnormal": 1, "Chest discomfort": 1, "Fatigue": 1, "Feeling abnormal": 1, "Feeling cold": 1, "Pain": 1, "Palpitations": 1, "Sleep disorder": 1}, "batchcodes": ["001ML21A"]}]}