XML View
<MessageHeader xmlns="http://hl7.org/fhir">
    <id value="UKCore-MessageHeader-Extension-MessageHeaderInstruction-Example" />
    
    <extension url="https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-MessageHeaderInstruction">
        <valueCoding>
            <system value="http://snomed.info/sct" />
            <code value="821301000000103" />
            <display value="Liaison with GP (general practitioner)" />
        </valueCoding>
    </extension>
    
    <eventCoding>
        <system value="http://snomed.info/sct" />
        <code value="306689006" />
        <display value="Discharge to home" />
    </eventCoding>
    <sender>
        <reference value="https://directory.spineservices.nhs.uk/Organization/X26" />
    </sender>
    <source>
        <endpoint value="NOROT003" />
    </source>
</MessageHeader>
 
  JSON View
{
    "resourceType": "MessageHeader",
    "id": "UKCore-MessageHeader-Extension-MessageHeaderInstruction-Example",
    "extension":  [
        {
            "url": "https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-MessageHeaderInstruction",
            "valueCoding": {
                "system": "http://snomed.info/sct",
                "code": "821301000000103",
                "display": "Liaison with GP (general practitioner)"
            }
        }
    ],
    "eventCoding": {
        "system": "http://snomed.info/sct",
        "code": "306689006",
        "display": "Discharge to home"
    },
    "sender": {
        "reference": "https://directory.spineservices.nhs.uk/Organization/X26"
    },
    "source": {
        "endpoint": "NOROT003"
    }
}