Dose syntax implementation guidance for FHIR STU3

This guidance is under active development by NHS Digital and content may be added or updated on a regular basis.

Microgynon 30 tablets (Bayer Plc), 63 tablets

Product-based prescription using additional instruction field to convey dosing instructions.

This example includes a dispenseRequest instruction so represents the clinical information that could be shared as part of a FHIR-based primary care prescription between a prescribing and dispensing clinical system.

<MedicationRequest xmlns="http://hl7.org/fhir">
<id value="68ed456c-4fbb-4e7c-b431-321e06a6fdf9" />
<contained>
<Medication>
<id value="med1" />
<code>
<coding>
<system value="http://snomed.info/sct" />
<code value="42111000001107" />
<display value="Microgynon 30 tablets (Bayer Plc)" />
</coding>
</code>
</Medication>
</contained>
<status value="active" />
<intent value="order" />
<medicationReference>
<reference value="#med1" />
</medicationReference>
<subject>
<identifier>
<system value="https://fhir.nhs.uk/Id/nhs-number" />
<value value="9999999999" />
</identifier>
</subject>
<dosageInstruction>
<additionalInstruction>
<coding>
<system value="http://snomed.info/sct" />
<code value="421769005" />
<display value="Follow directions" />
</coding>
</additionalInstruction>
</dosageInstruction>
<dispenseRequest>
<quantity>
<value value="63" />
<unit value="tablet" />
<system value="http://snomed.info/sct" />
<code value="428673006" />
</quantity>
</dispenseRequest>
</MedicationRequest>
{
"resourceType": "MedicationRequest",
"id": "68ed456c-4fbb-4e7c-b431-321e06a6fdf9",
"contained": [
{
"resourceType": "Medication",
"id": "med1",
"code": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "42111000001107",
"display": "Microgynon 30 tablets (Bayer Plc)"
}
]
}
}
],
"status": "active",
"intent": "order",
"medicationReference": {
"reference": "#med1"
},
"subject": {
"identifier": {
"system": "https://fhir.nhs.uk/Id/nhs-number",
"value": "9999999999"
}
},
"dosageInstruction": [
{
"additionalInstruction": [
{
"coding": [
{
"system": "http://snomed.info/sct",
"code": "421769005",
"display": "Follow directions"
}
]
}
]
}
],
"dispenseRequest": {
"quantity": {
"value": 63,
"unit": "tablet",
"system": "http://snomed.info/sct",
"code": "428673006"
}
}
}
MedicationRequest.id[0]68ed456c-4fbb-4e7c-b431-321e06a6fdf9
MedicationRequest.contained[0].id[0]med1
MedicationRequest.contained[0].code[0].coding[0].system[0]http://snomed.info/sct
MedicationRequest.contained[0].code[0].coding[0].code[0]42111000001107
MedicationRequest.contained[0].code[0].coding[0].display[0]Microgynon 30 tablets (Bayer Plc)
MedicationRequest.status[0]active
MedicationRequest.intent[0]order
MedicationRequest.medication[0].reference[0]#med1
MedicationRequest.subject[0].identifier[0].system[0]https://fhir.nhs.uk/Id/nhs-number
MedicationRequest.subject[0].identifier[0].value[0]9999999999
MedicationRequest.dosageInstruction[0].additionalInstruction[0].coding[0].system[0]http://snomed.info/sct
MedicationRequest.dosageInstruction[0].additionalInstruction[0].coding[0].code[0]421769005
MedicationRequest.dosageInstruction[0].additionalInstruction[0].coding[0].display[0]Follow directions
MedicationRequest.dispenseRequest[0].quantity[0].value[0]63
MedicationRequest.dispenseRequest[0].quantity[0].unit[0]tablet
MedicationRequest.dispenseRequest[0].quantity[0].system[0]http://snomed.info/sct
MedicationRequest.dispenseRequest[0].quantity[0].code[0]428673006
MedicationRequest
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