XML View
<Condition xmlns="http://hl7.org/fhir">
    <id value="UKCore-Condition-Extension-ActualProblem-Example" />
    
    <extension url="https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-ActualProblem">
        <valueReference>
            <reference value="Condition/UKCore-Condition-BleedingFromEar-Example" />
            <type value="Condition" />
        </valueReference>
    </extension>
    
    <subject>
        <reference value="Patient/UKCore-Patient-RichardSmith-Example" />
    </subject>
</Condition>
 
  JSON View
{
    "resourceType": "Condition",
    "id": "UKCore-Condition-Extension-ActualProblem-Example",
    "extension":  [
        {
            "url": "https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-ActualProblem",
            "valueReference": {
                "reference": "Condition/UKCore-Condition-BleedingFromEar-Example",
                "type": "Condition"
            }
        }
    ],
    "subject": {
        "reference": "Patient/UKCore-Patient-RichardSmith-Example"
    }
}