Devices on FHIR - Point-of-Care Device General Implementation Guide

Compound Numeric Observation Profile

Canonical URL

http://devices.fhir.org/StructureDefinition/CompoundNumericObservation

Profile Definition

CompoundNumericObservation (Observation)			http://hl7.org/fhir/StructureDefinition/Observation	There are no (further) constraints on this element Data type http://hl7.org/fhir/StructureDefinition/Observation
code				There are no (further) constraints on this element Element id Observation.code Short description Base numeric type Definition Observation.code shall have a coding from the ISO/IEEE 11073 MDC metrics nomenclature. The Rosetta Terminology Mapping Management System (RTMMS) lists available codes. Depending on the type of measurement, the Vital Signs profiles may require an additional LOINC code.
coding		1..		There are no (further) constraints on this element Element id Observation.code.coding Sliced: Unordered, Open, by system(Value)
11073MDC		1..1		There are no (further) constraints on this element Element id Observation.code.coding:11073MDC Short description 11073 MDC code Definition Code defined by the ISO/IEEE 11073-10101 Nomenclature
system		1..	Fixed Value	There are no (further) constraints on this element Element id Observation.code.coding:11073MDC.system Fixed value urn:iso:std:iso:11073:10101
code		1..		There are no (further) constraints on this element Element id Observation.code.coding:11073MDC.code
subject		1..	Reference(http://hl7.org/fhir/StructureDefinition/Patient \| PoC Device Profile)	There are no (further) constraints on this element Element id Observation.subject Definition Observation.subject shall be present and refer to a Patient resource or PoC Device resource. Data type Reference(http://hl7.org/fhir/StructureDefinition/Patient \| PoC Device Profile)
value[x]		..0		There are no (further) constraints on this element Element id Observation.value[x]
device		1..	Reference(Numeric DeviceMetric Profile)	There are no (further) constraints on this element Element id Observation.device Definition Observation.device shall be present and refer to the Numeric DeviceMetric resource where this observation belongs to. Data type Reference(Numeric DeviceMetric Profile)
component	I	1..		There are no (further) constraints on this element Element id Observation.component Constraints pocd-obs-2: If there is no value a dataAbsentReason shall be present `value.exists() or dataAbsentReason.exists()`
extension				There are no (further) constraints on this element Element id Observation.component.extension Sliced: Unordered, Open, by url(Value)
measurementStatus			Extension(code)	There are no (further) constraints on this element Element id Observation.component.extension:measurementStatus Short description Measurement status Definition The Measurement Status extension provides more detailed status information about observed values. It gets a code from the Measurement Status value set. Data type Extension(code) Extension URL http://devices.fhir.org/StructureDefinition/observation-measurement-status
code				There are no (further) constraints on this element Element id Observation.component.code Short description Component numeric type Definition Observation.component.code shall have a coding from the ISO/IEEE 11073 MDC metrics nomenclature. The Rosetta Terminology Mapping Management System (RTMMS) lists available codes. Depending on the type of measurement, the Vital Signs profiles may require an additional LOINC code.
coding		1..		There are no (further) constraints on this element Element id Observation.component.code.coding Sliced: Unordered, Open, by system(Value)
11073MDC		1..1		There are no (further) constraints on this element Element id Observation.component.code.coding:11073MDC Short description 11073 MDC code Definition Code defined by the ISO/IEEE 11073-10101 Nomenclature
system		1..	Fixed Value	There are no (further) constraints on this element Element id Observation.component.code.coding:11073MDC.system Fixed value urn:iso:std:iso:11073:10101
code		1..		There are no (further) constraints on this element Element id Observation.component.code.coding:11073MDC.code
valueQuantity	I		Quantity	There are no (further) constraints on this element Element id Observation.component.value[x]:valueQuantity Data type Quantity
value		1..		There are no (further) constraints on this element Element id valueQuantity:valueQuantity.value
system			Fixed Value	There are no (further) constraints on this element Element id valueQuantity:valueQuantity.system Fixed value http://unitsofmeasure.org
dataAbsentReason	I			There are no (further) constraints on this element Element id Observation.component.dataAbsentReason

Example (XML view)

Example of a NBP Compound Numeric Observation

<Observation xmlns="http://hl7.org/fhir">
    <id value="623" />
    <meta>
        <profile value="http://devices.fhir.org/StructureDefinition/CompoundNumericObservation" />
    </meta>
    <status value="final" />
    <category>
        <coding>
            <system value="http://hl7.org/fhir/observation-category" />
            <code value="vital-signs" />
            <display value="Vital Signs" />
        </coding>
    </category>
    <code>
        <coding>
            <system value="http://loinc.org" />
            <code value="85354-9" />
            <display value="Blood pressure panel with all children optional" />
        </coding>
        <coding>
            <system value="urn:iso:std:iso:11073:10101" />
            <code value="150020" />
            <display value="MDC_PRESS_BLD_NONINV" />
        </coding>
    </code>
    <subject>
        <reference value="Patient/371" />
    </subject>
    <effectiveDateTime value="2017-06-02T11:00:59+02:00" />
    <device>
        <reference value="DeviceMetric/216" />
    </device>
    <component>
        <code>
            <coding>
                <system value="http://loinc.org" />
                <code value="8480-6" />
                <display value="Systolic blood pressure" />
            </coding>
            <coding>
                <system value="urn:iso:std:iso:11073:10101" />
                <code value="150021" />
                <display value="MDC_PRESS_BLD_NONINV_SYS" />
            </coding>
        </code>
        <valueQuantity>
            <value value="120" />
            <unit value="mmHg" />
            <system value="http://unitsofmeasure.org" />
            <code value="mm[Hg]" />
        </valueQuantity>
    </component>
    <component>
        <code>
            <coding>
                <system value="http://loinc.org" />
                <code value="8462-4" />
                <display value="Diastolic blood pressure" />
            </coding>
            <coding>
                <system value="urn:iso:std:iso:11073:10101" />
                <code value="150022" />
                <display value="MDC_PRESS_BLD_NONINV_DIA" />
            </coding>
        </code>
        <valueQuantity>
            <value value="80" />
            <unit value="mmHg" />
            <system value="http://unitsofmeasure.org" />
            <code value="mm[Hg]" />
        </valueQuantity>
    </component>
    <component>
        <code>
            <coding>
                <system value="http://loinc.org" />
                <code value="8478-0" />
                <display value="Mean blood pressure" />
            </coding>
            <coding>
                <system value="urn:iso:std:iso:11073:10101" />
                <code value="150023" />
                <display value="MDC_PRESS_BLD_NONINV_MEAN" />
            </coding>
        </code>
        <valueQuantity>
            <value value="90" />
            <unit value="mmHg" />
            <system value="http://unitsofmeasure.org" />
            <code value="mm[Hg]" />
        </valueQuantity>
    </component>
</Observation>

Example (JSON view)

Example of a NBP Compound Numeric Observation

{
    "resourceType": "Observation",
    "id": "623",
    "meta": {
        "profile":  [
            "http://devices.fhir.org/StructureDefinition/CompoundNumericObservation"
        ]
    },
    "status": "final",
    "category":  [
        {
            "coding":  [
                {
                    "system": "http://hl7.org/fhir/observation-category",
                    "code": "vital-signs",
                    "display": "Vital Signs"
                }
            ]
        }
    ],
    "code": {
        "coding":  [
            {
                "system": "http://loinc.org",
                "code": "85354-9",
                "display": "Blood pressure panel with all children optional"
            },
            {
                "system": "urn:iso:std:iso:11073:10101",
                "code": "150020",
                "display": "MDC_PRESS_BLD_NONINV"
            }
        ]
    },
    "subject": {
        "reference": "Patient/371"
    },
    "effectiveDateTime": "2017-06-02T11:00:59+02:00",
    "device": {
        "reference": "DeviceMetric/216"
    },
    "component":  [
        {
            "code": {
                "coding":  [
                    {
                        "system": "http://loinc.org",
                        "code": "8480-6",
                        "display": "Systolic blood pressure"
                    },
                    {
                        "system": "urn:iso:std:iso:11073:10101",
                        "code": "150021",
                        "display": "MDC_PRESS_BLD_NONINV_SYS"
                    }
                ]
            },
            "valueQuantity": {
                "value": 120,
                "unit": "mmHg",
                "system": "http://unitsofmeasure.org",
                "code": "mm[Hg]"
            }
        },
        {
            "code": {
                "coding":  [
                    {
                        "system": "http://loinc.org",
                        "code": "8462-4",
                        "display": "Diastolic blood pressure"
                    },
                    {
                        "system": "urn:iso:std:iso:11073:10101",
                        "code": "150022",
                        "display": "MDC_PRESS_BLD_NONINV_DIA"
                    }
                ]
            },
            "valueQuantity": {
                "value": 80,
                "unit": "mmHg",
                "system": "http://unitsofmeasure.org",
                "code": "mm[Hg]"
            }
        },
        {
            "code": {
                "coding":  [
                    {
                        "system": "http://loinc.org",
                        "code": "8478-0",
                        "display": "Mean blood pressure"
                    },
                    {
                        "system": "urn:iso:std:iso:11073:10101",
                        "code": "150023",
                        "display": "MDC_PRESS_BLD_NONINV_MEAN"
                    }
                ]
            },
            "valueQuantity": {
                "value": 90,
                "unit": "mmHg",
                "system": "http://unitsofmeasure.org",
                "code": "mm[Hg]"
            }
        }
    ]
}