An example to illustrate recording a blood pressure device with a large cuff

Table View

Device.id[0]UKCore-Extension-CuffSize-Example
Device.extension[0].url[0]https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-CuffSize
Device.extension[0].value[0].coding[0].system[0]http://snomed.info/sct
Device.extension[0].value[0].coding[0].code[0]990191000000101
Device.extension[0].value[0].coding[0].display[0]Large adult size blood pressure cuff
Device.status[0]active
Device.type[0].coding[0].system[0]http://snomed.info/sct
Device.type[0].coding[0].code[0]39690000
Device.type[0].coding[0].display[0]Sphygmomanometer

XML View

<Device xmlns="http://hl7.org/fhir">
    <id value="UKCore-Extension-CuffSize-Example" />
    <extension url="https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-CuffSize">
        <valueCodeableConcept>
            <coding>
                <system value="http://snomed.info/sct" />
                <code value="990191000000101" />
                <display value="Large adult size blood pressure cuff" />
            </coding>
        </valueCodeableConcept>
    </extension>
    <status value="active" />
    <type>
        <coding>
            <system value="http://snomed.info/sct" />
            <code value="39690000" />
            <display value="Sphygmomanometer" />
        </coding>
    </type>
</Device>

JSON View

{
    "resourceType": "Device",
    "id": "UKCore-Extension-CuffSize-Example",
    "extension":  [
        {
            "url": "https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-CuffSize",
            "valueCodeableConcept": {
                "coding":  [
                    {
                        "system": "http://snomed.info/sct",
                        "code": "990191000000101",
                        "display": "Large adult size blood pressure cuff"
                    }
                ]
            }
        }
    ],
    "status": "active",
    "type": {
        "coding":  [
            {
                "system": "http://snomed.info/sct",
                "code": "39690000",
                "display": "Sphygmomanometer"
            }
        ]
    }
}