<Observation xmlns="http://hl7.org/fhir">
    <status value="registered" />
    <category>
        <coding>
            <system value="uri:medvantx.com/namespace/hl7/extensions#allergy_type" />
            <display value="Allergy Type" />
        </coding>
        <text value="1" />
    </category>
    <category>
        <coding>
            <system value="uri:medvantx.com/namespace/hl7/extensions#allergy_code" />
            <display value="Allergy Code" />
        </coding>
        <text value="55555555" />
    </category>
    <performer>
        <reference value="Organization/1" />
        <display value="Client Import" />
    </performer>
    <valueString value="Medical Condition" />
</Observation>