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.

Ibuprofen 400mg orally three times daily for 5 days to start tomorrow

Dose-based instruction using a VTM. Specified start date and course length.
<MedicationRequest xmlns="http://hl7.org/fhir">
<id value="23406593-8209-4b3f-8afd-4bd9e8f72212" />
<contained>
<Medication>
<id value="med1" />
<code>
<coding>
<system value="http://snomed.info/sct" />
<code value="38268001" />
<display value="Ibuprofen" />
</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>
<timing>
<repeat>
<boundsPeriod>
<start value="2019-03-10" />
<end value="2019-03-14" />
</boundsPeriod>
<frequency value="3" />
<period value="1" />
<periodUnit value="d" />
</repeat>
</timing>
<route>
<coding>
<system value="http://snomed.info/sct" />
<code value="26643006" />
<display value="oral" />
</coding>
</route>
<doseQuantity>
<value value="400" />
<unit value="milligram" />
<system value="http://unitsofmeasure.org" />
<code value="mg" />
</doseQuantity>
</dosageInstruction>
</MedicationRequest>
{
"resourceType": "MedicationRequest",
"id": "23406593-8209-4b3f-8afd-4bd9e8f72212",
"contained": [
{
"resourceType": "Medication",
"id": "med1",
"code": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "38268001",
"display": "Ibuprofen"
}
]
}
}
],
"status": "active",
"intent": "order",
"medicationReference": {
"reference": "#med1"
},
"subject": {
"identifier": {
"system": "https://fhir.nhs.uk/Id/nhs-number",
"value": "9999999999"
}
},
"dosageInstruction": [
{
"timing": {
"repeat": {
"boundsPeriod": {
"start": "2019-03-10",
"end": "2019-03-14"
},
"frequency": 3,
"period": 1,
"periodUnit": "d"
}
},
"route": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "26643006",
"display": "oral"
}
]
},
"doseQuantity": {
"value": 400,
"unit": "milligram",
"system": "http://unitsofmeasure.org",
"code": "mg"
}
}
]
}
MedicationRequest.id[0]23406593-8209-4b3f-8afd-4bd9e8f72212
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]38268001
MedicationRequest.contained[0].code[0].coding[0].display[0]Ibuprofen
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].timing[0].repeat[0].bounds[0].start[0]2019-03-10
MedicationRequest.dosageInstruction[0].timing[0].repeat[0].bounds[0].end[0]2019-03-14
MedicationRequest.dosageInstruction[0].timing[0].repeat[0].frequency[0]3
MedicationRequest.dosageInstruction[0].timing[0].repeat[0].period[0]1
MedicationRequest.dosageInstruction[0].timing[0].repeat[0].periodUnit[0]d
MedicationRequest.dosageInstruction[0].route[0].coding[0].system[0]http://snomed.info/sct
MedicationRequest.dosageInstruction[0].route[0].coding[0].code[0]26643006
MedicationRequest.dosageInstruction[0].route[0].coding[0].display[0]oral
MedicationRequest.dosageInstruction[0].dose[0].value[0]400
MedicationRequest.dosageInstruction[0].dose[0].unit[0]milligram
MedicationRequest.dosageInstruction[0].dose[0].system[0]http://unitsofmeasure.org
MedicationRequest.dosageInstruction[0].dose[0].code[0]mg
MedicationRequest
For this example, assume today’s date is 9th March 2019, hence ‘tomorrow’ is 10th March 2019.
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