{
    "resourceType": "Observation",
    "id": "Example-DataStandardsWales-ObservationResult-FBCWBC",
    "meta": {
        "profile":  [
            "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Observation-Lab"
        ],
        "security":  [
            {
                "system": "http://terminology.hl7.org/CodeSystem/v3-Confidentiality",
                "code": "N",
                "display": "Normal"
            }
        ]
    },
    "text": {
        "status": "generated",
        --- We have skipped the narrative for better readability of the resource ---
    },
    "identifier":  [
        {
            "system": "https://fhir.nhs.wales/Id/wrrs-obx-identifier",
            "value": "1000485"
        }
    ],
    "status": "final",
    "code": {
        "coding":  [
            {
                "system": "https://fhir.nhs.wales/Id/lims-test-code",
                "code": "B0300",
                "display": "White blood cell (WBC) count"
            },
            {
                "system": "http://read.info/readv2",
                "code": "42H..",
                "display": "White blood cell (WBC) count"
            },
            {
                "system": "https://fhir.nhs.wales/Id/wrrs-test-code",
                "code": "WBC",
                "display": "White blood cell (WBC) count"
            },
            {
                "extension":  [
                    {
                        "url": "https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-CodingSCTDescId",
                        "extension":  [
                            {
                                "url": "descriptionId",
                                "valueId": "2566651000000114"
                            },
                            {
                                "url": "descriptionDisplay",
                                "valueString": "Total white cell count"
                            }
                        ]
                    }
                ],
                "system": "http://snomed.info/sct",
                "code": "1022541000000102",
                "display": "Total white cell count"
            }
        ],
        "text": "White blood cell (WBC) count"
    },
    "subject": {
        "reference": "Patient/Example-DataStandardsWales-Patient-AliceJones",
        "display": "JONES, Alice (NHS: 9912003444)"
    },
    "category":  [
        {
            "coding":  [
                {
                    "system": "http://hl7.org/fhir/ValueSet/observation-category",
                    "version": "4.3.0",
                    "code": "laboratory",
                    "display": "Laboratory"
                }
            ]
        }
    ],
    "valueQuantity": {
        "value": 10.0,
        "unit": "x10^9/L",
        "system": "http://unitsofmeasure.org",
        "code": "x10^9/L"
    },
    "interpretation":  [
        {
            "coding":  [
                {
                    "system": "http://hl7.org/fhir/ValueSet/observation-interpretation",
                    "code": "N",
                    "display": "Normal"
                }
            ],
            "text": "Normal"
        }
    ],
    "referenceRange":  [
        {
            "low": {
                "value": 4.0,
                "unit": "x10^9/L",
                "system": "http://unitsofmeasure.org",
                "code": "x10^9/L"
            },
            "high": {
                "value": 11.0,
                "unit": "x10^9/L",
                "system": "http://unitsofmeasure.org",
                "code": "x10^9/L"
            }
        }
    ]
}