{"batchcode": "026321A", "histograms": [{"histogram": {"Arthralgia": 1, "Balance disorder": 1, "Fatigue": 1, "Feeling abnormal": 1, "Joint swelling": 1, "Nodule": 1, "Pain": 1, "Pain in extremity": 1, "Peripheral swelling": 1, "Pyrexia": 1, "Rash": 1, "Rash macular": 1}, "batchcodes": ["026321A", "036A2IA"]}, {"histogram": {"Atrial fibrillation": 1, "Electrocardiogram": 1}, "batchcodes": ["026321A"]}]}