<DeviceMetric xmlns="http://hl7.org/fhir">
    <id value="222" />
    <meta>
        <profile value="http://devices.fhir.org/StructureDefinition/NumericDeviceMetric" />
    </meta>
    <identifier>
        <use value="temp" />
        <system value="urn:ietf:rfc:3986" />
        <value value="urn:uuid:1393961f-2638-4014-a5a5-af2c5f0e48d8" />
    </identifier>
    <type>
        <coding>
            <system value="urn:iso:std:iso:11073:10101" />
            <code value="150456" />
            <display value="MDC_PULS_OXIM_SAT_O2" />
        </coding>
        <text value="SpO2" />
    </type>
    <unit>
        <coding>
            <system value="urn:iso:std:iso:11073:10101" />
            <code value="262688" />
            <display value="MDC_DIM_PERCENT" />
        </coding>
        <text value="%" />
    </unit>
    <source>
        <reference value="Device/72" />
    </source>
    <parent>
        <reference value="DeviceComponent/442" />
    </parent>
    <operationalStatus value="on" />
    <category value="measurement" />
</DeviceMetric>