{"batchcode": "044 B21A", "histograms": [{"histogram": {"Chest pain": 1, "Ear discomfort": 1, "Musculoskeletal stiffness": 1, "Nausea": 1, "Neck pain": 1, "Pain": 1, "Tinnitus": 1}, "batchcodes": ["044 B21A"]}]}