This page is part of the FHIR Specification (v0.5.0: DSTU 2 Ballot 2). The current version which supercedes this version is 5.0.0.  For a full list of available versions, see the Directory of published versions 

The official URL for this profile is:
http://hl7.org/fhir/StructureDefinition/observation-device-metric-devicemetricobservation
This profile describes the direct or derived, qualitative or quantitative physiological measurement, setting, or calculation data produced by a medical device or a device component.
This profile was published on Mon, Nov 17, 2014 00:00+1100 as a draft by Health Level Seven, Inc. - Health Care Devices (DEV) WG.

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.
This structure is derived from Observation.
This structure is derived from Observation.
| Name | Flags | Card. | Type | Description & Constraints  | 
|---|---|---|---|---|
|   Observation | 1..1 | Observation | ||
|    code | S | 1..1 | CodeableConcept | |
|    value[x] | S | 0..* | Quantity, CodeableConcept, string, Range, Ratio, SampledData, Attachment, time, dateTime, Period | |
|    dataAbsentReason | 0..0 | CodeableConcept | ||
|    interpretation | 0..1 | CodeableConcept | ||
|    comments | 0..1 | string | ||
|    appliesDateTime | S | 1..1 | dateTime | |
|    issued | 0..0 | instant | ||
|    status | S | 1..1 | code | |
|    reliability | S | 1..1 | code | |
|    bodySite[x] | S | 0..1 | CodeableConcept | |
|    method | S | 0..1 | CodeableConcept | |
|    identifier | S | 0..* | Identifier | |
|    subject | S | 1..1 | Patient, Device | |
|    specimen | 0..0 | Specimen | ||
|    device | S | 1..1 | Device, DeviceMetric | |
|    encounter | 0..0 | Encounter | ||
|    referenceRange | S | 0..1 | ||
|    related | S | 0..1 | ||
|     type | S | 0..1 | code | |
|     target | S | 0..1 | Observation | 
| Name | Flags | Card. | Type | Description & Constraints  | 
|---|---|---|---|---|
|   Observation | I | 1..1 | Observation | Measurements and simple assertions obs-6: Shall only be present if Observation.value[x] is not present | 
|    meta | 0..1 | Meta | Metadata about the resource | |
|    implicitRules | ?! | 0..1 | uri | A set of rules under which this content was created | 
|    language | 0..1 | code | Language of the resource content Binding: Language (required) | |
|    text | I | 0..1 | Narrative | Text summary of the resource, for human interpretation | 
|    contained | 0..* | Resource | Contained, inline Resources | |
|    extension | 0..* | Extension | Additional Content defined by implementations | |
|    modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored | 
|    code | S Σ | 1..1 | CodeableConcept | Type of observation (code / type) Binding: ObservationType (example) | 
|    value[x] | S Σ | 0..* | Quantity, CodeableConcept, string, Range, Ratio, SampledData, Attachment, time, dateTime, Period | Actual result Binding: ObservationValue (example) | 
|    interpretation | 0..1 | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretation (extensible) | |
|    comments | 0..1 | string | Comments about result | |
|    appliesDateTime | S Σ | 1..1 | dateTime | Physiologically Relevant time/time-period for observation | 
|    status | ?! SΣ | 1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required) | 
|    reliability | ?! S | 1..1 | code | ok | ongoing | early | questionable | calibrating | error + Binding: ObservationReliability (required) | 
|    bodySiteCodeableConcept | S | 0..1 | CodeableConcept | Observed body part Binding: BodySite (example) | 
|    method | S | 0..1 | CodeableConcept | How it was done Binding: ObservationMethod (example) | 
|    identifier | S | 0..* | Identifier | Unique Id for this particular observation | 
|    subject | S Σ | 1..1 | Patient, Device | Who and/or what this is about | 
|    performer | Σ | 0..* | Practitioner, Organization, Patient, RelatedPerson | Who did the observation | 
|    device | S | 1..1 | Device, DeviceMetric | (Measurement) Device | 
|    referenceRange | S I | 0..1 | Provides guide for interpretation obs-3: Must have at least a low or a high or text | |
|     extension | 0..* | Extension | Additional Content defined by implementations | |
|     modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored | 
|     low | I | 0..1 | Quantity | Low Range, if relevant obs-4: Low range comparators can only be '>' or '>=' or empty | 
|     high | I | 0..1 | Quantity | High Range, if relevant obs-5: High range comparators can only be '<' or '<=' or empty | 
|     meaning | 0..1 | CodeableConcept | Indicates the meaning/use of this range of this range Binding: ObservationRangeMeaning (example) | |
|     age | 0..1 | Range | Applicable age range, if relevant | |
|     text | 0..1 | string | Text based reference range in an observation | |
|    related | S Σ | 0..1 | Observations related to this observation | |
|     extension | 0..* | Extension | Additional Content defined by implementations | |
|     modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored | 
|     type | S | 0..1 | code | has-component | has-member | derived-from | sequel-to | replaces | qualified-by | interfered-by Binding: ObservationRelationshipType (required) | 
|     target | S | 0..1 | Observation | Observation that is related to this one | 
todo
This structure is derived from Observation.
Differential View
This structure is derived from Observation.
| Name | Flags | Card. | Type | Description & Constraints  | 
|---|---|---|---|---|
|   Observation | 1..1 | Observation | ||
|    code | S | 1..1 | CodeableConcept | |
|    value[x] | S | 0..* | Quantity, CodeableConcept, string, Range, Ratio, SampledData, Attachment, time, dateTime, Period | |
|    dataAbsentReason | 0..0 | CodeableConcept | ||
|    interpretation | 0..1 | CodeableConcept | ||
|    comments | 0..1 | string | ||
|    appliesDateTime | S | 1..1 | dateTime | |
|    issued | 0..0 | instant | ||
|    status | S | 1..1 | code | |
|    reliability | S | 1..1 | code | |
|    bodySite[x] | S | 0..1 | CodeableConcept | |
|    method | S | 0..1 | CodeableConcept | |
|    identifier | S | 0..* | Identifier | |
|    subject | S | 1..1 | Patient, Device | |
|    specimen | 0..0 | Specimen | ||
|    device | S | 1..1 | Device, DeviceMetric | |
|    encounter | 0..0 | Encounter | ||
|    referenceRange | S | 0..1 | ||
|    related | S | 0..1 | ||
|     type | S | 0..1 | code | |
|     target | S | 0..1 | Observation | 
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints  | 
|---|---|---|---|---|
|   Observation | I | 1..1 | Observation | Measurements and simple assertions obs-6: Shall only be present if Observation.value[x] is not present | 
|    meta | 0..1 | Meta | Metadata about the resource | |
|    implicitRules | ?! | 0..1 | uri | A set of rules under which this content was created | 
|    language | 0..1 | code | Language of the resource content Binding: Language (required) | |
|    text | I | 0..1 | Narrative | Text summary of the resource, for human interpretation | 
|    contained | 0..* | Resource | Contained, inline Resources | |
|    extension | 0..* | Extension | Additional Content defined by implementations | |
|    modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored | 
|    code | S Σ | 1..1 | CodeableConcept | Type of observation (code / type) Binding: ObservationType (example) | 
|    value[x] | S Σ | 0..* | Quantity, CodeableConcept, string, Range, Ratio, SampledData, Attachment, time, dateTime, Period | Actual result Binding: ObservationValue (example) | 
|    interpretation | 0..1 | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretation (extensible) | |
|    comments | 0..1 | string | Comments about result | |
|    appliesDateTime | S Σ | 1..1 | dateTime | Physiologically Relevant time/time-period for observation | 
|    status | ?! SΣ | 1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required) | 
|    reliability | ?! S | 1..1 | code | ok | ongoing | early | questionable | calibrating | error + Binding: ObservationReliability (required) | 
|    bodySiteCodeableConcept | S | 0..1 | CodeableConcept | Observed body part Binding: BodySite (example) | 
|    method | S | 0..1 | CodeableConcept | How it was done Binding: ObservationMethod (example) | 
|    identifier | S | 0..* | Identifier | Unique Id for this particular observation | 
|    subject | S Σ | 1..1 | Patient, Device | Who and/or what this is about | 
|    performer | Σ | 0..* | Practitioner, Organization, Patient, RelatedPerson | Who did the observation | 
|    device | S | 1..1 | Device, DeviceMetric | (Measurement) Device | 
|    referenceRange | S I | 0..1 | Provides guide for interpretation obs-3: Must have at least a low or a high or text | |
|     extension | 0..* | Extension | Additional Content defined by implementations | |
|     modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored | 
|     low | I | 0..1 | Quantity | Low Range, if relevant obs-4: Low range comparators can only be '>' or '>=' or empty | 
|     high | I | 0..1 | Quantity | High Range, if relevant obs-5: High range comparators can only be '<' or '<=' or empty | 
|     meaning | 0..1 | CodeableConcept | Indicates the meaning/use of this range of this range Binding: ObservationRangeMeaning (example) | |
|     age | 0..1 | Range | Applicable age range, if relevant | |
|     text | 0..1 | string | Text based reference range in an observation | |
|    related | S Σ | 0..1 | Observations related to this observation | |
|     extension | 0..* | Extension | Additional Content defined by implementations | |
|     modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored | 
|     type | S | 0..1 | code | has-component | has-member | derived-from | sequel-to | replaces | qualified-by | interfered-by Binding: ObservationRelationshipType (required) | 
|     target | S | 0..1 | Observation | Observation that is related to this one | 
XML Template
JSON Template
todo
Other representations of profile: (todo)

| Path | Name | Conformance | ValueSet | 
| Observation.language | Language | required | http://tools.ietf.org/html/bcp47 | 
| Observation.code | ObservationType | example | LOINC Codes | 
| Observation.value[x] | ObservationValue | example | SNOMED CT Codes | 
| Observation.interpretation | ObservationInterpretation | extensible | Observation Interpretation Codes | 
| Observation.status | ObservationStatus | required | ObservationStatus | 
| Observation.reliability | ObservationReliability | required | ObservationReliability | 
| Observation.bodySiteCodeableConcept | BodySite | example | SNOMED CT Body Structures | 
| Observation.method | ObservationMethod | example | Observation Methods | 
| Observation.referenceRange.meaning | ObservationRangeMeaning | example | Observation Reference Range Meaning Codes | 
| Observation.related.type | ObservationRelationshipType | required | ObservationRelationshipType | 

| Id | Path | Name | Details | 
| obs-6 | Observation | data absent reason | Shall only be present if Observation.value[x] is not present XPath: not(exists(f:dataAbsentReason)) or (not(exists(*[starts-with(local-name(.), 'value')]))) | 
| obs-3 | Observation.referenceRange | reference range | Must have at least a low or a high or text XPath: (exists(f:low) or exists(f:high)or exists(f:text)) | 
| obs-4 | Observation.referenceRange.low | low range comparators | Low range comparators can only be '>' or '>=' or empty XPath: not(exists(f:comparator)) or boolean(f:comparator/@value = '<') or boolean(f:comparator/@value = '<=') | 
| obs-5 | Observation.referenceRange.high | high range comparators | High range comparators can only be '<' or '<=' or empty XPath: not(exists(f:comparator)) or boolean(f:comparator/@value = '>') or boolean(f:comparator/@value = '>=') |