An example to illustratea the batch element via a COVID-19 Vaccine

Table View

Medication.id[0]UKCore-Medication-COVID-Vaccine-Example
Medication.code[0].coding[0].system[0]https://dmd.nhs.uk
Medication.code[0].coding[0].code[0]39115611000001103
Medication.code[0].coding[0].display[0]Comirnaty COVID-19 mRNA Vaccine 30micrograms/0.3ml dose concentrate for dispersion for injection multidose vials (Pfizer Ltd)
Medication.batch[0].lotNumber[0]FK0112
Medication.batch[0].expirationDate[0]2021-10-26

XML View

<Medication xmlns="http://hl7.org/fhir">
    <id value="UKCore-Medication-COVID-Vaccine-Example" />
    <code>
        <coding>
            <system value="https://dmd.nhs.uk" />
            <code value="39115611000001103" />
            <display value="Comirnaty COVID-19 mRNA Vaccine 30micrograms/0.3ml dose concentrate for dispersion for injection multidose vials (Pfizer Ltd)" />
        </coding>
    </code>
    <batch>
        <lotNumber value="FK0112" />
        <expirationDate value="2021-10-26" />
    </batch>
</Medication>

JSON View

{
    "resourceType": "Medication",
    "id": "UKCore-Medication-COVID-Vaccine-Example",
    "code": {
        "coding":  [
            {
                "system": "https://dmd.nhs.uk",
                "code": "39115611000001103",
                "display": "Comirnaty COVID-19 mRNA Vaccine 30micrograms/0.3ml dose concentrate for dispersion for injection multidose vials (Pfizer Ltd)"
            }
        ]
    },
    "batch": {
        "lotNumber": "FK0112",
        "expirationDate": "2021-10-26"
    }
}