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.

Hydroxocobalamin 10mg/2ml solution for injection ampoules, one to be given by IM injection into the shoulder, 3 times per week for 6 doses, then every 3 months, starting on 1st November 2019

Product-based prescription with course length as number of doses, sequential dosing.
<MedicationRequest xmlns="http://hl7.org/fhir">
<id value="6062d3bb-f6cf-41ec-aa71-dcd42299b10f" />
<contained>
<Medication>
<id value="med1" />
<code>
<coding>
<system value="http://snomed.info/sct" />
<code value="24856311000001103" />
<display value="Hydroxocobalamin 10mg/2ml solution for injection ampoules" />
</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>
<sequence value="1" />
<timing>
<repeat>
<count value="6" />
<frequency value="3" />
<period value="1" />
<periodUnit value="wk" />
</repeat>
</timing>
<site>
<coding>
<system value="http://snomed.info/sct" />
<code value="16982005" />
<display value="Shoulder" />
</coding>
</site>
<route>
<coding>
<system value="http://snomed.info/sct" />
<code value="78421000" />
<display value="intramuscular route" />
</coding>
</route>
<doseQuantity>
<value value="1" />
<unit value="ampoule" />
<system value="http://snomed.info/sct" />
<code value="413516001" />
</doseQuantity>
</dosageInstruction>
<dosageInstruction>
<sequence value="2" />
<timing>
<repeat>
<boundsPeriod>
<start value="2019-11-01" />
</boundsPeriod>
<frequency value="1" />
<period value="3" />
<periodUnit value="mo" />
</repeat>
</timing>
<site>
<coding>
<system value="http://snomed.info/sct" />
<code value="16982005" />
<display value="Shoulder" />
</coding>
</site>
<route>
<coding>
<system value="http://snomed.info/sct" />
<code value="78421000" />
<display value="intramuscular route" />
</coding>
</route>
<doseQuantity>
<value value="1" />
<unit value="ampoule" />
<system value="http://snomed.info/sct" />
<code value="413516001" />
</doseQuantity>
</dosageInstruction>
</MedicationRequest>
{
"resourceType": "MedicationRequest",
"id": "6062d3bb-f6cf-41ec-aa71-dcd42299b10f",
"contained": [
{
"resourceType": "Medication",
"id": "med1",
"code": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "24856311000001103",
"display": "Hydroxocobalamin 10mg/2ml solution for injection ampoules"
}
]
}
}
],
"status": "active",
"intent": "order",
"medicationReference": {
"reference": "#med1"
},
"subject": {
"identifier": {
"system": "https://fhir.nhs.uk/Id/nhs-number",
"value": "9999999999"
}
},
"dosageInstruction": [
{
"sequence": 1,
"timing": {
"repeat": {
"count": 6,
"frequency": 3,
"period": 1,
"periodUnit": "wk"
}
},
"site": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "16982005",
"display": "Shoulder"
}
]
},
"route": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "78421000",
"display": "intramuscular route"
}
]
},
"doseQuantity": {
"value": 1,
"unit": "ampoule",
"system": "http://snomed.info/sct",
"code": "413516001"
}
},
{
"sequence": 2,
"timing": {
"repeat": {
"boundsPeriod": {
"start": "2019-11-01"
},
"frequency": 1,
"period": 3,
"periodUnit": "mo"
}
},
"site": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "16982005",
"display": "Shoulder"
}
]
},
"route": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "78421000",
"display": "intramuscular route"
}
]
},
"doseQuantity": {
"value": 1,
"unit": "ampoule",
"system": "http://snomed.info/sct",
"code": "413516001"
}
}
]
}
MedicationRequest.id[0]6062d3bb-f6cf-41ec-aa71-dcd42299b10f
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]24856311000001103
MedicationRequest.contained[0].code[0].coding[0].display[0]Hydroxocobalamin 10mg/2ml solution for injection ampoules
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].sequence[0]1
MedicationRequest.dosageInstruction[0].timing[0].repeat[0].count[0]6
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]wk
MedicationRequest.dosageInstruction[0].site[0].coding[0].system[0]http://snomed.info/sct
MedicationRequest.dosageInstruction[0].site[0].coding[0].code[0]16982005
MedicationRequest.dosageInstruction[0].site[0].coding[0].display[0]Shoulder
MedicationRequest.dosageInstruction[0].route[0].coding[0].system[0]http://snomed.info/sct
MedicationRequest.dosageInstruction[0].route[0].coding[0].code[0]78421000
MedicationRequest.dosageInstruction[0].route[0].coding[0].display[0]intramuscular route
MedicationRequest.dosageInstruction[0].dose[0].value[0]1
MedicationRequest.dosageInstruction[0].dose[0].unit[0]ampoule
MedicationRequest.dosageInstruction[0].dose[0].system[0]http://snomed.info/sct
MedicationRequest.dosageInstruction[0].dose[0].code[0]413516001
MedicationRequest.dosageInstruction[1].sequence[0]2
MedicationRequest.dosageInstruction[1].timing[0].repeat[0].bounds[0].start[0]2019-11-01
MedicationRequest.dosageInstruction[1].timing[0].repeat[0].frequency[0]1
MedicationRequest.dosageInstruction[1].timing[0].repeat[0].period[0]3
MedicationRequest.dosageInstruction[1].timing[0].repeat[0].periodUnit[0]mo
MedicationRequest.dosageInstruction[1].site[0].coding[0].system[0]http://snomed.info/sct
MedicationRequest.dosageInstruction[1].site[0].coding[0].code[0]16982005
MedicationRequest.dosageInstruction[1].site[0].coding[0].display[0]Shoulder
MedicationRequest.dosageInstruction[1].route[0].coding[0].system[0]http://snomed.info/sct
MedicationRequest.dosageInstruction[1].route[0].coding[0].code[0]78421000
MedicationRequest.dosageInstruction[1].route[0].coding[0].display[0]intramuscular route
MedicationRequest.dosageInstruction[1].dose[0].value[0]1
MedicationRequest.dosageInstruction[1].dose[0].unit[0]ampoule
MedicationRequest.dosageInstruction[1].dose[0].system[0]http://snomed.info/sct
MedicationRequest.dosageInstruction[1].dose[0].code[0]413516001
MedicationRequest
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