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.

Zoladex 3.6mg implant SafeSystem pre-filled syringes (AstraZeneca UK Ltd), one to be given by IM injection into the anterior abdominal wall on 1st November 2019

Product-based instruction using an AMP. Identified route, method and site. Specific date. 
<MedicationRequest xmlns="http://hl7.org/fhir">
    <id value="905d34ad-ea20-4371-8bf7-5208fbf146ce" />
    <contained>
        <Medication>
            <id value="med1" />
            <code>
                <coding>
                    <system value="http://snomed.info/sct" />
                    <code value="824211000001107" />
                    <display value="Zoladex 3.6mg implant SafeSystem pre-filled syringes (AstraZeneca UK Ltd)" />
                </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>
            <event value="2019-11-01" />
            <repeat>
                <count value="1" />
            </repeat>
        </timing>
        <site>
            <coding>
                <system value="http://snomed.info/sct" />
                <code value="59380008" />
                <display value="Anterior abdominal wall structure" />
            </coding>
        </site>
        <route>
            <coding>
                <system value="http://snomed.info/sct" />
                <code value="78421000" />
                <display value="intramuscular route" />
            </coding>
        </route>
        <method>
            <coding>
                <system value="http://snomed.info/sct" />
                <code value="422145002" />
                <display value="inject" />
            </coding>
        </method>
    </dosageInstruction>
</MedicationRequest>

{
    "resourceType": "MedicationRequest",
    "id": "905d34ad-ea20-4371-8bf7-5208fbf146ce",
    "contained":  [
        {
            "resourceType": "Medication",
            "id": "med1",
            "code": {
                "coding":  [
                    {
                        "system": "http://snomed.info/sct",
                        "code": "824211000001107",
                        "display": "Zoladex 3.6mg implant SafeSystem pre-filled syringes (AstraZeneca UK Ltd)"
                    }
                ]
            }
        }
    ],
    "status": "active",
    "intent": "order",
    "medicationReference": {
        "reference": "#med1"
    },
    "subject": {
        "identifier": {
            "system": "https://fhir.nhs.uk/Id/nhs-number",
            "value": "9999999999"
        }
    },
    "dosageInstruction":  [
        {
            "timing": {
                "event":  [
                    "2019-11-01"
                ],
                "repeat": {
                    "count": 1
                }
            },
            "site": {
                "coding":  [
                    {
                        "system": "http://snomed.info/sct",
                        "code": "59380008",
                        "display": "Anterior abdominal wall structure"
                    }
                ]
            },
            "route": {
                "coding":  [
                    {
                        "system": "http://snomed.info/sct",
                        "code": "78421000",
                        "display": "intramuscular route"
                    }
                ]
            },
            "method": {
                "coding":  [
                    {
                        "system": "http://snomed.info/sct",
                        "code": "422145002",
                        "display": "inject"
                    }
                ]
            }
        }
    ]
}
MedicationRequest.id[0]905d34ad-ea20-4371-8bf7-5208fbf146ce
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]824211000001107
MedicationRequest.contained[0].code[0].coding[0].display[0]Zoladex 3.6mg implant SafeSystem pre-filled syringes (AstraZeneca UK Ltd)
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].event[0]2019-11-01
MedicationRequest.dosageInstruction[0].timing[0].repeat[0].count[0]1
MedicationRequest.dosageInstruction[0].site[0].coding[0].system[0]http://snomed.info/sct
MedicationRequest.dosageInstruction[0].site[0].coding[0].code[0]59380008
MedicationRequest.dosageInstruction[0].site[0].coding[0].display[0]Anterior abdominal wall structure
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].method[0].coding[0].system[0]http://snomed.info/sct
MedicationRequest.dosageInstruction[0].method[0].coding[0].code[0]422145002
MedicationRequest.dosageInstruction[0].method[0].coding[0].display[0]inject
MedicationRequest
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