An example to illustrate the use of the BodySiteReference extension.

Table View

Specimen.id[0]UKCore-Extension-BodySiteReference-Example
Specimen.status[0]available
Specimen.type[0].coding[0].system[0]http://snomed.info/sct
Specimen.type[0].coding[0].code[0]119297000
Specimen.type[0].coding[0].display[0]Blood specimen
Specimen.subject[0].reference[0]Patient/UKCore-Patient-RichardSmith-Example
Specimen.receivedTime[0]2016-02-05T11:10:00Z
Specimen.collection[0].collector[0].reference[0]Practitioner/UKCore-Practitioner-ConsultantSandraGose-Example
Specimen.collection[0].collected[0]2016-02-09T16:00:00Z
Specimen.collection[0].method[0].coding[0].system[0]http://snomed.info/sct
Specimen.collection[0].method[0].coding[0].code[0]28520004
Specimen.collection[0].method[0].coding[0].display[0]Venipuncture for blood test
Specimen.collection[0].bodySite[0].extension[0].url[0]https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-BodySiteReference
Specimen.collection[0].bodySite[0].extension[0].value[0].reference[0]BodyStructure/UKCore-BodyStructure-MedianCubitalVeinExample
Specimen.collection[0].bodySite[0].text[0]vein on the inner left arm

XML View

<Specimen xmlns="http://hl7.org/fhir">
    <id value="UKCore-Extension-BodySiteReference-Example" />
    <status value="available" />
    <type>
        <coding>
            <system value="http://snomed.info/sct" />
            <code value="119297000" />
            <display value="Blood specimen" />
        </coding>
    </type>
    <subject>
        <reference value="Patient/UKCore-Patient-RichardSmith-Example" />
    </subject>
    <receivedTime value="2016-02-05T11:10:00Z" />
    <collection>
        <collector>
            <reference value="Practitioner/UKCore-Practitioner-ConsultantSandraGose-Example" />
        </collector>
        <collectedDateTime value="2016-02-09T16:00:00Z" />
        <method>
            <coding>
                <system value="http://snomed.info/sct" />
                <code value="28520004" />
                <display value="Venipuncture for blood test" />
            </coding>
        </method>
        <bodySite>
            <!--  Use of the bodySite R5 backport extension to reference a BodyStructure, in this case, the draw site.  -->
            <extension url="https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-BodySiteReference">
                <valueReference>
                    <reference value="BodyStructure/UKCore-BodyStructure-MedianCubitalVeinExample" />
                </valueReference>
            </extension>
            <text value="vein on the inner left arm" />
        </bodySite>
    </collection>
</Specimen>

JSON View

{
    "resourceType": "Specimen",
    "id": "UKCore-Extension-BodySiteReference-Example",
    "status": "available",
    "type": {
        "coding":  [
            {
                "system": "http://snomed.info/sct",
                "code": "119297000",
                "display": "Blood specimen"
            }
        ]
    },
    "subject": {
        "reference": "Patient/UKCore-Patient-RichardSmith-Example"
    },
    "receivedTime": "2016-02-05T11:10:00Z",
    "collection": {
        "collector": {
            "reference": "Practitioner/UKCore-Practitioner-ConsultantSandraGose-Example"
        },
        "collectedDateTime": "2016-02-09T16:00:00Z",
        "method": {
            "coding":  [
                {
                    "system": "http://snomed.info/sct",
                    "code": "28520004",
                    "display": "Venipuncture for blood test"
                }
            ]
        },
        "bodySite": {
            "extension":  [
                {
                    "url": "https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-BodySiteReference",
                    "valueReference": {
                        "reference": "BodyStructure/UKCore-BodyStructure-MedianCubitalVeinExample"
                    }
                }
            ],
            "text": "vein on the inner left arm"
        }
    }
}