{"batchcode": "002CB21", "histograms": [{"batchcodes": ["002CB21"], "histogram": {"Blood test": 1, "Brain scan abnormal": 1, "Dizziness": 1, "Fatigue": 1, "Feeling abnormal": 1, "Headache": 1, "Influenza like illness": 1, "Insomnia": 1, "Intracranial haematoma": 1}}]}