<Observation xmlns="http://hl7.org/fhir">
    <id value="spark4" />
    <meta>
        <versionId value="spark4" />
        <lastUpdated value="2015-10-02T13:05:34.347+00:00" />
    </meta>
    <text>
        <status value="generated" />
        --- We have skipped the narrative for better readability of the resource ---
    </text>
    <extension url="http://hl7.org/fhir/StructureDefinition/uslab-observationkind">
        <valueCode value="result" />
    </extension>
    <identifier>
        <use value="official" />
        <type>
            <text value="lab test result ID" />
        </type>
        <system value="http://lis.acmelabs.org/identifiers/labtestresult" />
        <value value="4567" />
    </identifier>
    <status value="final" />
    <code>
        <coding>
            <system value="http://loinc.org/" />
            <code value="6812-2" />
            <display value="Dengue virus IgM Ab [Titer] in Serum" />
        </coding>
        <coding>
            <system value="urn:oid:2.16.840.1.113883.3.72.5.24" />
            <code value="DGIGM" />
            <display value="Dengue IgM QN" />
        </coding>
        <text value="Dengue IgM Titer" />
    </code>
    <subject>
        <reference value="Patient/patient-uslab-example1" />
        <display value="Todd Lerr" />
    </subject>
    <effectiveDateTime value="2014-12-05" />
    <issued value="2014-12-06T15:42:15-08:00" />
    <performer>
        <reference value="Practitioner/pract-uslab-example1" />
        <display value="Dr Leonard T Bloodraw Jr" />
    </performer>
    <valueRatio>
        <numerator>
            <value value="1" />
        </numerator>
        <denominator>
            <value value="256" />
        </denominator>
    </valueRatio>
    <interpretation>
        <coding>
            <system value="http://hl7.org/fhir/v2/0078" />
            <code value="H" />
        </coding>
    </interpretation>
    <specimen>
        <reference value="Specimen/spec-uslab-example1" />
        <display value="Bloo sample" />
    </specimen>
    <referenceRange>
        <text value="&lt;1:64" />
    </referenceRange>
</Observation>