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.

Glucose 5% infusion 500ml bags, 500ml, intravenous, continuous infusion, over 8 hours

Non dm+d (ingredient) based prescription. Route, method and dose duration.
<MedicationRequest xmlns="http://hl7.org/fhir">
<id value="6b122dc2-89b2-4f93-9139-3012f6669857" />
<contained>
<Medication>
<id value="med1" />
<form>
<coding>
<system value="http://snomed.info/sct" />
<code value="14964511000001102" />
<display value="Infusion" />
</coding>
</form>
<ingredient>
<itemCodeableConcept>
<coding>
<system value="http://snomed.info/sct" />
<code value="768547002" />
<display value="Anhydrous Glucose" />
</coding>
</itemCodeableConcept>
<amount>
<numerator>
<value value="50" />
<unit value="gram" />
<system value="http://unitsofmeasure.org" />
<code value="g" />
</numerator>
<denominator>
<value value="1" />
<unit value="liter" />
<system value="http://unitsofmeasure.org" />
<code value="L" />
</denominator>
</amount>
</ingredient>
</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>
<duration value="8" />
<durationUnit value="h" />
</repeat>
</timing>
<method>
<coding>
<system value="http://snomed.info/sct" />
<code value="261754007" />
<display value="Continuous infusion" />
</coding>
</method>
<rateRatio>
<numerator>
<value value="100" />
<unit value="millilitre" />
<system value="http://unitsofmeasure.org" />
<code value="mL" />
</numerator>
<denominator>
<value value="1" />
<unit value="hour" />
<system value="http://unitsofmeasure.org" />
<code value="h" />
</denominator>
</rateRatio>
</dosageInstruction>
</MedicationRequest>
{
"resourceType": "MedicationRequest",
"id": "6b122dc2-89b2-4f93-9139-3012f6669857",
"contained": [
{
"resourceType": "Medication",
"id": "med1",
"form": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "14964511000001102",
"display": "Infusion"
}
]
},
"ingredient": [
{
"itemCodeableConcept": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "768547002",
"display": "Anhydrous Glucose"
}
]
},
"amount": {
"numerator": {
"value": 50,
"unit": "gram",
"system": "http://unitsofmeasure.org",
"code": "g"
},
"denominator": {
"value": 1,
"unit": "liter",
"system": "http://unitsofmeasure.org",
"code": "L"
}
}
}
]
}
],
"status": "active",
"intent": "order",
"medicationReference": {
"reference": "#med1"
},
"subject": {
"identifier": {
"system": "https://fhir.nhs.uk/Id/nhs-number",
"value": "9999999999"
}
},
"dosageInstruction": [
{
"timing": {
"repeat": {
"duration": 8,
"durationUnit": "h"
}
},
"method": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "261754007",
"display": "Continuous infusion"
}
]
},
"rateRatio": {
"numerator": {
"value": 100,
"unit": "millilitre",
"system": "http://unitsofmeasure.org",
"code": "mL"
},
"denominator": {
"value": 1,
"unit": "hour",
"system": "http://unitsofmeasure.org",
"code": "h"
}
}
}
]
}
MedicationRequest.id[0]6b122dc2-89b2-4f93-9139-3012f6669857
MedicationRequest.contained[0].id[0]med1
MedicationRequest.contained[0].form[0].coding[0].system[0]http://snomed.info/sct
MedicationRequest.contained[0].form[0].coding[0].code[0]14964511000001102
MedicationRequest.contained[0].form[0].coding[0].display[0]Infusion
MedicationRequest.contained[0].ingredient[0].item[0].coding[0].system[0]http://snomed.info/sct
MedicationRequest.contained[0].ingredient[0].item[0].coding[0].code[0]768547002
MedicationRequest.contained[0].ingredient[0].item[0].coding[0].display[0]Anhydrous Glucose
MedicationRequest.contained[0].ingredient[0].amount[0].numerator[0].value[0]50
MedicationRequest.contained[0].ingredient[0].amount[0].numerator[0].unit[0]gram
MedicationRequest.contained[0].ingredient[0].amount[0].numerator[0].system[0]http://unitsofmeasure.org
MedicationRequest.contained[0].ingredient[0].amount[0].numerator[0].code[0]g
MedicationRequest.contained[0].ingredient[0].amount[0].denominator[0].value[0]1
MedicationRequest.contained[0].ingredient[0].amount[0].denominator[0].unit[0]liter
MedicationRequest.contained[0].ingredient[0].amount[0].denominator[0].system[0]http://unitsofmeasure.org
MedicationRequest.contained[0].ingredient[0].amount[0].denominator[0].code[0]L
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].duration[0]8
MedicationRequest.dosageInstruction[0].timing[0].repeat[0].durationUnit[0]h
MedicationRequest.dosageInstruction[0].method[0].coding[0].system[0]http://snomed.info/sct
MedicationRequest.dosageInstruction[0].method[0].coding[0].code[0]261754007
MedicationRequest.dosageInstruction[0].method[0].coding[0].display[0]Continuous infusion
MedicationRequest.dosageInstruction[0].rate[0].numerator[0].value[0]100
MedicationRequest.dosageInstruction[0].rate[0].numerator[0].unit[0]millilitre
MedicationRequest.dosageInstruction[0].rate[0].numerator[0].system[0]http://unitsofmeasure.org
MedicationRequest.dosageInstruction[0].rate[0].numerator[0].code[0]mL
MedicationRequest.dosageInstruction[0].rate[0].denominator[0].value[0]1
MedicationRequest.dosageInstruction[0].rate[0].denominator[0].unit[0]hour
MedicationRequest.dosageInstruction[0].rate[0].denominator[0].system[0]http://unitsofmeasure.org
MedicationRequest.dosageInstruction[0].rate[0].denominator[0].code[0]h
MedicationRequest
back to top