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