<Observation xmlns="http://hl7.org/fhir">
    <id value="s4h-blood-group-observation-example" />
    <meta>
        <profile value="http://fhir.smart4health.eu/StructureDefinition/s4h-observation-base" />
    </meta>
    <status value="final" />
    <category>
        <coding>
            <system value="http://terminology.hl7.org/CodeSystem/observation-category" />
            <code value="laboratory" />
            <display value="Laboratory" />
        </coding>
        <text value="Laboratory" />
    </category>
    <code>
        <coding>
            <system value="http://loinc.org" />
            <code value="883-9" />
            <display value="ABO group [Type] in Blood" />
        </coding>
        <text value="Blood group" />
    </code>
    <subject>
        <display value="Marie Lux-Brennard" />
    </subject>
    <effectiveDateTime value="2019-09-17" />
    <performer>
        <identifier>
            <use value="official" />
            <system value="http://fhir.de/NamingSystem/kbv/lanr" />
            <value value="123456701" />
        </identifier>
        <display value="Dr. Schmidt" />
    </performer>
    <valueCodeableConcept>
        <coding>
            <system value="http://loinc.org" />
            <code value="LA19710-5" />
            <display value="Group A" />
        </coding>
        <text value="Group A" />
    </valueCodeableConcept>
</Observation>