{
    "resourceType":"Observation",
    "id": "1",
    "text":
    {
        "status": "generated",
        "div": "<div xmlns='http://www.w3.org/1999/xhtml'><pre>Test                  Units       Value       Reference Range\nHaemoglobin           g/L         176         135 - 180</pre></div>"
    },
    "status": "final",
    "code":
    {
        "coding":
        [{
            "system": "http://loinc.org",
            "code": "718-7",
            "display": "Haemoglobin"
        }]
    },
    "subject":
    {
        "reference": "Patient/1"
    },
    "effectiveDateTime": "2018-07-03",
    "valueQuantity":
    {
        "value": 176,
        "unit": "g/L",
        "system": "http://unitsofmeasure.org",
        "code": "g/L"
    },
    "referenceRange":
    [{
        "low":
        {
            "value": 135,
            "unit": "g/L",
            "system": "http://unitsofmeasure.org",
            "code": "g/L"
        },
        "high":
        {
            "value": 180,
            "unit": "g/L",
            "system": "http://unitsofmeasure.org",
            "code": "g/L"
        }
    }]
}