Implementation guide for interoperable medicines

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

Oxygen by inhalation via nasal cannula

Dose-based VTM prescription where use of a 'nasal cannula' device is expressed as free-text additional instruction. 
<MedicationRequest xmlns="http://hl7.org/fhir">
    <id value="a8ca980c-72aa-11e7-8cf7-a6006ad3dba0" />
    <meta>
        <profile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-MedicationRequest" />
    </meta>
    <status value="active" />
    <intent value="order" />
    <category>
        <coding>
            <system value="http://terminology.hl7.org/CodeSystem/medicationrequest-category" />
            <code value="out" />
            <display value="outpatient" />
        </coding>
    </category>
    <medicationCodeableConcept>
        <coding>
            <system value="https://dmd.nhs.uk" />
            <code value="375287000" />
            <display value="Oxygen" />
        </coding>
    </medicationCodeableConcept>
    <subject>
        <identifier>
            <system value="https://fhir.nhs.uk/Id/nhs-number" />
            <value value="9999999999" />
        </identifier>
    </subject>
    <authoredOn value="2020-05-15T15:00:00Z" />
    <requester>
        <reference value="urn:staff-1112" />
        <display value="Dr Maikeu Well" />
    </requester>
    <recorder>
        <reference value="urn:staff-1112" />
        <display value="Dr Maikeu Well" />
    </recorder>
    <dosageInstruction>
        <text value="1 to 2 litre per minute - Inhalation - to be given via nasal cannula" />
        <additionalInstruction>
            <text value="to be given via nasal cannula" />
        </additionalInstruction>
        <route>
            <coding>
                <system value="http://snomed.info/sct" />
                <code value="18679011000001101" />
                <display value="Inhalation" />
            </coding>
        </route>
        <doseAndRate>
            <doseRange>
                <low>
                    <value value="1" />
                    <unit value="liter per minute" />
                    <system value="http://unitsofmeasure.org" />
                    <code value="L/min" />
                </low>
                <high>
                    <value value="2" />
                    <unit value="liter per minute" />
                    <system value="http://unitsofmeasure.org" />
                    <code value="L/min" />
                </high>
            </doseRange>
        </doseAndRate>
    </dosageInstruction>
    <substitution>
        <allowedBoolean value="false" />
    </substitution>
</MedicationRequest>

{
    "resourceType": "MedicationRequest",
    "id": "a8ca980c-72aa-11e7-8cf7-a6006ad3dba0",
    "meta": {
        "profile":  [
            "https://fhir.hl7.org.uk/StructureDefinition/UKCore-MedicationRequest"
        ]
    },
    "status": "active",
    "intent": "order",
    "category":  [
        {
            "coding":  [
                {
                    "system": "http://terminology.hl7.org/CodeSystem/medicationrequest-category",
                    "code": "out",
                    "display": "outpatient"
                }
            ]
        }
    ],
    "medicationCodeableConcept": {
        "coding":  [
            {
                "system": "https://dmd.nhs.uk",
                "code": "375287000",
                "display": "Oxygen"
            }
        ]
    },
    "subject": {
        "identifier": {
            "system": "https://fhir.nhs.uk/Id/nhs-number",
            "value": "9999999999"
        }
    },
    "authoredOn": "2020-05-15T15:00:00Z",
    "requester": {
        "reference": "urn:staff-1112",
        "display": "Dr Maikeu Well"
    },
    "recorder": {
        "reference": "urn:staff-1112",
        "display": "Dr Maikeu Well"
    },
    "dosageInstruction":  [
        {
            "text": "1 to 2 litre per minute - Inhalation - to be given via nasal cannula",
            "additionalInstruction":  [
                {
                    "text": "to be given via nasal cannula"
                }
            ],
            "route": {
                "coding":  [
                    {
                        "system": "http://snomed.info/sct",
                        "code": "18679011000001101",
                        "display": "Inhalation"
                    }
                ]
            },
            "doseAndRate":  [
                {
                    "doseRange": {
                        "low": {
                            "value": 1,
                            "unit": "liter per minute",
                            "system": "http://unitsofmeasure.org",
                            "code": "L/min"
                        },
                        "high": {
                            "value": 2,
                            "unit": "liter per minute",
                            "system": "http://unitsofmeasure.org",
                            "code": "L/min"
                        }
                    }
                }
            ]
        }
    ],
    "substitution": {
        "allowedBoolean": false
    }
}
MedicationRequest.id[0]a8ca980c-72aa-11e7-8cf7-a6006ad3dba0
MedicationRequest.meta[0].profile[0]https://fhir.hl7.org.uk/StructureDefinition/UKCore-MedicationRequest
MedicationRequest.status[0]active
MedicationRequest.intent[0]order
MedicationRequest.category[0].coding[0].system[0]http://terminology.hl7.org/CodeSystem/medicationrequest-category
MedicationRequest.category[0].coding[0].code[0]out
MedicationRequest.category[0].coding[0].display[0]outpatient
MedicationRequest.medication[0].coding[0].system[0]https://dmd.nhs.uk
MedicationRequest.medication[0].coding[0].code[0]375287000
MedicationRequest.medication[0].coding[0].display[0]Oxygen
MedicationRequest.subject[0].identifier[0].system[0]https://fhir.nhs.uk/Id/nhs-number
MedicationRequest.subject[0].identifier[0].value[0]9999999999
MedicationRequest.authoredOn[0]2020-05-15T15:00:00Z
MedicationRequest.requester[0].reference[0]urn:staff-1112
MedicationRequest.requester[0].display[0]Dr Maikeu Well
MedicationRequest.recorder[0].reference[0]urn:staff-1112
MedicationRequest.recorder[0].display[0]Dr Maikeu Well
MedicationRequest.dosageInstruction[0].text[0]1 to 2 litre per minute - Inhalation - to be given via nasal cannula
MedicationRequest.dosageInstruction[0].additionalInstruction[0].text[0]to be given via nasal cannula
MedicationRequest.dosageInstruction[0].route[0].coding[0].system[0]http://snomed.info/sct
MedicationRequest.dosageInstruction[0].route[0].coding[0].code[0]18679011000001101
MedicationRequest.dosageInstruction[0].route[0].coding[0].display[0]Inhalation
MedicationRequest.dosageInstruction[0].doseAndRate[0].dose[0].low[0].value[0]1
MedicationRequest.dosageInstruction[0].doseAndRate[0].dose[0].low[0].unit[0]liter per minute
MedicationRequest.dosageInstruction[0].doseAndRate[0].dose[0].low[0].system[0]http://unitsofmeasure.org
MedicationRequest.dosageInstruction[0].doseAndRate[0].dose[0].low[0].code[0]L/min
MedicationRequest.dosageInstruction[0].doseAndRate[0].dose[0].high[0].value[0]2
MedicationRequest.dosageInstruction[0].doseAndRate[0].dose[0].high[0].unit[0]liter per minute
MedicationRequest.dosageInstruction[0].doseAndRate[0].dose[0].high[0].system[0]http://unitsofmeasure.org
MedicationRequest.dosageInstruction[0].doseAndRate[0].dose[0].high[0].code[0]L/min
MedicationRequest.substitution[0].allowed[0]False
MedicationRequest

Example on-screen presentation:

Oxygen
1 to 2 litre per minute - Inhalation - to be given via nasal cannula
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