Point-of-Care Device Implementation Guide
0.3.0 - STU 1 Ballot

This page is part of the Point-of-care Device FHIR IG (v0.3.0: STU 1 Ballot 3) based on FHIR R4. . For a full list of available versions, see the Directory of published versions

Resource Profile: Observation profile

Defining URL:http://hl7.org/fhir/uv/pocd/StructureDefinition/Observation
Version:0.3.0
Name:Observation
Title:Observation profile
Status:Draft as of 2020-08-03
Definition:

StructureDefinition for measurements and simple assertions made about a patient, device or other subject.

Publisher:HL7 International - Devices Work Group
Source Resource:XML / JSON / Turtle

The official URL for this profile is: 

http://hl7.org/fhir/uv/pocd/StructureDefinition/Observation

Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots and how the different presentations work.

This structure is derived from Observation

Summary

The profile defines the following rules:

  • This is an additional Observation Resource and not the same that has been used for the DeviceMetric.

This structure is derived from Observation

NameFlagsCard.TypeDescription & Constraintsdoco
.. Observation 0..*ObservationMeasurements and simple assertions
... category 0..*CodeableConceptClassification of type of observation
.... coding 0..*CodingCode defined by a terminology system
..... system 0..1uriIdentity of the terminology system
..... version 0..1stringVersion of the system - if relevant
..... code 0..1codeSymbol in syntax defined by the system
... code 1..1CodeableConceptType of observation (code / type)
.... coding 0..*CodingCode defined by a terminology system
..... system 0..1uriIdentity of the terminology system
..... version 0..1stringVersion of the system - if relevant
..... code 0..1codeSymbol in syntax defined by the system
... valueQuantity 0..1QuantityActual result
.... value 0..1decimalNumerical value (with implicit precision)
.... unit 0..1stringUnit representation
... note 0..*AnnotationComments about the observation
.... text 1..1markdownThe annotation - text content (as markdown)
... referenceRange 0..*BackboneElementProvides guide for interpretation
.... low 0..1SimpleQuantityLow Range, if relevant
.... high 0..1SimpleQuantityHigh Range, if relevant
.... type 0..1CodeableConceptReference range qualifier
..... coding 0..*CodingCode defined by a terminology system
...... system 0..1uriIdentity of the terminology system
...... version 0..1stringVersion of the system - if relevant
...... code 0..1codeSymbol in syntax defined by the system

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraintsdoco
.. Observation I0..*ObservationMeasurements and simple assertions
... id Σ0..1stringLogical id of this artifact
... meta Σ0..1MetaMetadata about the resource
... implicitRules ?!Σ0..1uriA set of rules under which this content was created
... language 0..1codeLanguage of the resource content
Binding: CommonLanguages (preferred)
Max Binding: AllLanguages: A human language.

... text 0..1NarrativeText summary of the resource, for human interpretation
... contained 0..*ResourceContained, inline Resources
... extension 0..*ExtensionAdditional content defined by implementations
... modifierExtension ?!0..*ExtensionExtensions that cannot be ignored
... identifier Σ0..*IdentifierBusiness Identifier for observation
... basedOn Σ0..*Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest)Fulfills plan, proposal or order
... partOf Σ0..*Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy)Part of referenced event
... status ?!Σ1..1coderegistered | preliminary | final | amended +
Binding: ObservationStatus (required): Codes providing the status of an observation.

... category 0..*CodeableConceptClassification of type of observation
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.


.... id 0..1stringUnique id for inter-element referencing
.... Slices for extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
.... coding Σ0..*CodingCode defined by a terminology system
..... id 0..1stringUnique id for inter-element referencing
..... Slices for extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
..... system Σ0..1uriIdentity of the terminology system
..... version Σ0..1stringVersion of the system - if relevant
..... code Σ0..1codeSymbol in syntax defined by the system
..... display Σ0..1stringRepresentation defined by the system
..... userSelected Σ0..1booleanIf this coding was chosen directly by the user
.... text Σ0..1stringPlain text representation of the concept
... code Σ1..1CodeableConceptType of observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.

.... id 0..1stringUnique id for inter-element referencing
.... Slices for extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
.... coding Σ0..*CodingCode defined by a terminology system
..... id 0..1stringUnique id for inter-element referencing
..... Slices for extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
..... system Σ0..1uriIdentity of the terminology system
..... version Σ0..1stringVersion of the system - if relevant
..... code Σ0..1codeSymbol in syntax defined by the system
..... display Σ0..1stringRepresentation defined by the system
..... userSelected Σ0..1booleanIf this coding was chosen directly by the user
.... text Σ0..1stringPlain text representation of the concept
... subject Σ0..1Reference(Patient | Group | Device | Location)Who and/or what the observation is about
... focus Σ0..*Reference(Resource)What the observation is about, when it is not about the subject of record
... encounter Σ0..1Reference(Encounter)Healthcare event during which this observation is made
... effective[x] Σ0..1Clinically relevant time/time-period for observation
.... effectiveDateTimedateTime
.... effectivePeriodPeriod
.... effectiveTimingTiming
.... effectiveInstantinstant
... issued Σ0..1instantDate/Time this version was made available
... performer Σ0..*Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson)Who is responsible for the observation
... Slices for value[x] ΣI0..1QuantityActual result
Slice: Unordered, Closed by type:$this
.... value[x]:valueQuantity ΣI0..1QuantityActual result
..... id 0..1stringUnique id for inter-element referencing
..... Slices for extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
..... value Σ0..1decimalNumerical value (with implicit precision)
..... comparator ?!Σ0..1code< | <= | >= | > - how to understand the value
Binding: QuantityComparator (required): How the Quantity should be understood and represented.

..... unit Σ0..1stringUnit representation
..... system ΣI0..1uriSystem that defines coded unit form
..... code Σ0..1codeCoded form of the unit
... dataAbsentReason I0..1CodeableConceptWhy the result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.

... interpretation 0..*CodeableConceptHigh, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.


... note 0..*AnnotationComments about the observation
.... id 0..1stringUnique id for inter-element referencing
.... Slices for extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
.... author[x] Σ0..1Individual responsible for the annotation
..... authorReferenceReference(Practitioner | Patient | RelatedPerson | Organization)
..... authorStringstring
.... time Σ0..1dateTimeWhen the annotation was made
.... text Σ1..1markdownThe annotation - text content (as markdown)
... bodySite 0..1CodeableConceptObserved body part
Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.

... method 0..1CodeableConceptHow it was done
Binding: ObservationMethods (example): Methods for simple observations.

... specimen 0..1Reference(Specimen)Specimen used for this observation
... device 0..1Reference(Device | DeviceMetric)(Measurement) Device
... referenceRange I0..*BackboneElementProvides guide for interpretation
.... id 0..1stringUnique id for inter-element referencing
.... extension 0..*ExtensionAdditional content defined by implementations
.... modifierExtension ?!Σ0..*ExtensionExtensions that cannot be ignored even if unrecognized
.... low I0..1SimpleQuantityLow Range, if relevant
.... high I0..1SimpleQuantityHigh Range, if relevant
.... type 0..1CodeableConceptReference range qualifier
Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.

..... id 0..1stringUnique id for inter-element referencing
..... Slices for extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
..... coding Σ0..*CodingCode defined by a terminology system
...... id 0..1stringUnique id for inter-element referencing
...... Slices for extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
...... system Σ0..1uriIdentity of the terminology system
...... version Σ0..1stringVersion of the system - if relevant
...... code Σ0..1codeSymbol in syntax defined by the system
...... display Σ0..1stringRepresentation defined by the system
...... userSelected Σ0..1booleanIf this coding was chosen directly by the user
..... text Σ0..1stringPlain text representation of the concept
.... appliesTo 0..*CodeableConceptReference range population
Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.


.... age 0..1RangeApplicable age range, if relevant
.... text 0..1stringText based reference range in an observation
... hasMember Σ0..*Reference(Observation | QuestionnaireResponse | MolecularSequence)Related resource that belongs to the Observation group
... derivedFrom Σ0..*Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence)Related measurements the observation is made from
... component Σ0..*BackboneElementComponent results
.... id 0..1stringUnique id for inter-element referencing
.... extension 0..*ExtensionAdditional content defined by implementations
.... modifierExtension ?!Σ0..*ExtensionExtensions that cannot be ignored even if unrecognized
.... code Σ1..1CodeableConceptType of component observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.

.... value[x] Σ0..1Actual component result
..... valueQuantityQuantity
..... valueCodeableConceptCodeableConcept
..... valueStringstring
..... valueBooleanboolean
..... valueIntegerinteger
..... valueRangeRange
..... valueRatioRatio
..... valueSampledDataSampledData
..... valueTimetime
..... valueDateTimedateTime
..... valuePeriodPeriod
.... dataAbsentReason I0..1CodeableConceptWhy the component result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.

.... interpretation 0..*CodeableConceptHigh, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.


.... referenceRange 0..*See referenceRange (Observation)Provides guide for interpretation of component result

doco Documentation for this format

This structure is derived from Observation

Summary

The profile defines the following rules:

  • This is an additional Observation Resource and not the same that has been used for the DeviceMetric.

Differential View

This structure is derived from Observation

NameFlagsCard.TypeDescription & Constraintsdoco
.. Observation 0..*ObservationMeasurements and simple assertions
... category 0..*CodeableConceptClassification of type of observation
.... coding 0..*CodingCode defined by a terminology system
..... system 0..1uriIdentity of the terminology system
..... version 0..1stringVersion of the system - if relevant
..... code 0..1codeSymbol in syntax defined by the system
... code 1..1CodeableConceptType of observation (code / type)
.... coding 0..*CodingCode defined by a terminology system
..... system 0..1uriIdentity of the terminology system
..... version 0..1stringVersion of the system - if relevant
..... code 0..1codeSymbol in syntax defined by the system
... valueQuantity 0..1QuantityActual result
.... value 0..1decimalNumerical value (with implicit precision)
.... unit 0..1stringUnit representation
... note 0..*AnnotationComments about the observation
.... text 1..1markdownThe annotation - text content (as markdown)
... referenceRange 0..*BackboneElementProvides guide for interpretation
.... low 0..1SimpleQuantityLow Range, if relevant
.... high 0..1SimpleQuantityHigh Range, if relevant
.... type 0..1CodeableConceptReference range qualifier
..... coding 0..*CodingCode defined by a terminology system
...... system 0..1uriIdentity of the terminology system
...... version 0..1stringVersion of the system - if relevant
...... code 0..1codeSymbol in syntax defined by the system

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraintsdoco
.. Observation I0..*ObservationMeasurements and simple assertions
... id Σ0..1stringLogical id of this artifact
... meta Σ0..1MetaMetadata about the resource
... implicitRules ?!Σ0..1uriA set of rules under which this content was created
... language 0..1codeLanguage of the resource content
Binding: CommonLanguages (preferred)
Max Binding: AllLanguages: A human language.

... text 0..1NarrativeText summary of the resource, for human interpretation
... contained 0..*ResourceContained, inline Resources
... extension 0..*ExtensionAdditional content defined by implementations
... modifierExtension ?!0..*ExtensionExtensions that cannot be ignored
... identifier Σ0..*IdentifierBusiness Identifier for observation
... basedOn Σ0..*Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest)Fulfills plan, proposal or order
... partOf Σ0..*Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy)Part of referenced event
... status ?!Σ1..1coderegistered | preliminary | final | amended +
Binding: ObservationStatus (required): Codes providing the status of an observation.

... category 0..*CodeableConceptClassification of type of observation
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.


.... id 0..1stringUnique id for inter-element referencing
.... Slices for extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
.... coding Σ0..*CodingCode defined by a terminology system
..... id 0..1stringUnique id for inter-element referencing
..... Slices for extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
..... system Σ0..1uriIdentity of the terminology system
..... version Σ0..1stringVersion of the system - if relevant
..... code Σ0..1codeSymbol in syntax defined by the system
..... display Σ0..1stringRepresentation defined by the system
..... userSelected Σ0..1booleanIf this coding was chosen directly by the user
.... text Σ0..1stringPlain text representation of the concept
... code Σ1..1CodeableConceptType of observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.

.... id 0..1stringUnique id for inter-element referencing
.... Slices for extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
.... coding Σ0..*CodingCode defined by a terminology system
..... id 0..1stringUnique id for inter-element referencing
..... Slices for extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
..... system Σ0..1uriIdentity of the terminology system
..... version Σ0..1stringVersion of the system - if relevant
..... code Σ0..1codeSymbol in syntax defined by the system
..... display Σ0..1stringRepresentation defined by the system
..... userSelected Σ0..1booleanIf this coding was chosen directly by the user
.... text Σ0..1stringPlain text representation of the concept
... subject Σ0..1Reference(Patient | Group | Device | Location)Who and/or what the observation is about
... focus Σ0..*Reference(Resource)What the observation is about, when it is not about the subject of record
... encounter Σ0..1Reference(Encounter)Healthcare event during which this observation is made
... effective[x] Σ0..1Clinically relevant time/time-period for observation
.... effectiveDateTimedateTime
.... effectivePeriodPeriod
.... effectiveTimingTiming
.... effectiveInstantinstant
... issued Σ0..1instantDate/Time this version was made available
... performer Σ0..*Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson)Who is responsible for the observation
... Slices for value[x] ΣI0..1QuantityActual result
Slice: Unordered, Closed by type:$this
.... value[x]:valueQuantity ΣI0..1QuantityActual result
..... id 0..1stringUnique id for inter-element referencing
..... Slices for extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
..... value Σ0..1decimalNumerical value (with implicit precision)
..... comparator ?!Σ0..1code< | <= | >= | > - how to understand the value
Binding: QuantityComparator (required): How the Quantity should be understood and represented.

..... unit Σ0..1stringUnit representation
..... system ΣI0..1uriSystem that defines coded unit form
..... code Σ0..1codeCoded form of the unit
... dataAbsentReason I0..1CodeableConceptWhy the result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.

... interpretation 0..*CodeableConceptHigh, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.


... note 0..*AnnotationComments about the observation
.... id 0..1stringUnique id for inter-element referencing
.... Slices for extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
.... author[x] Σ0..1Individual responsible for the annotation
..... authorReferenceReference(Practitioner | Patient | RelatedPerson | Organization)
..... authorStringstring
.... time Σ0..1dateTimeWhen the annotation was made
.... text Σ1..1markdownThe annotation - text content (as markdown)
... bodySite 0..1CodeableConceptObserved body part
Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.

... method 0..1CodeableConceptHow it was done
Binding: ObservationMethods (example): Methods for simple observations.

... specimen 0..1Reference(Specimen)Specimen used for this observation
... device 0..1Reference(Device | DeviceMetric)(Measurement) Device
... referenceRange I0..*BackboneElementProvides guide for interpretation
.... id 0..1stringUnique id for inter-element referencing
.... extension 0..*ExtensionAdditional content defined by implementations
.... modifierExtension ?!Σ0..*ExtensionExtensions that cannot be ignored even if unrecognized
.... low I0..1SimpleQuantityLow Range, if relevant
.... high I0..1SimpleQuantityHigh Range, if relevant
.... type 0..1CodeableConceptReference range qualifier
Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.

..... id 0..1stringUnique id for inter-element referencing
..... Slices for extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
..... coding Σ0..*CodingCode defined by a terminology system
...... id 0..1stringUnique id for inter-element referencing
...... Slices for extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
...... system Σ0..1uriIdentity of the terminology system
...... version Σ0..1stringVersion of the system - if relevant
...... code Σ0..1codeSymbol in syntax defined by the system
...... display Σ0..1stringRepresentation defined by the system
...... userSelected Σ0..1booleanIf this coding was chosen directly by the user
..... text Σ0..1stringPlain text representation of the concept
.... appliesTo 0..*CodeableConceptReference range population
Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.


.... age 0..1RangeApplicable age range, if relevant
.... text 0..1stringText based reference range in an observation
... hasMember Σ0..*Reference(Observation | QuestionnaireResponse | MolecularSequence)Related resource that belongs to the Observation group
... derivedFrom Σ0..*Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence)Related measurements the observation is made from
... component Σ0..*BackboneElementComponent results
.... id 0..1stringUnique id for inter-element referencing
.... extension 0..*ExtensionAdditional content defined by implementations
.... modifierExtension ?!Σ0..*ExtensionExtensions that cannot be ignored even if unrecognized
.... code Σ1..1CodeableConceptType of component observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.

.... value[x] Σ0..1Actual component result
..... valueQuantityQuantity
..... valueCodeableConceptCodeableConcept
..... valueStringstring
..... valueBooleanboolean
..... valueIntegerinteger
..... valueRangeRange
..... valueRatioRatio
..... valueSampledDataSampledData
..... valueTimetime
..... valueDateTimedateTime
..... valuePeriodPeriod
.... dataAbsentReason I0..1CodeableConceptWhy the component result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.

.... interpretation 0..*CodeableConceptHigh, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.


.... referenceRange 0..*See referenceRange (Observation)Provides guide for interpretation of component result

doco Documentation for this format

 

Other representations of profile: CSV, Excel, Schematron

Terminology Bindings

PathConformanceValueSet
Observation.languagepreferredCommonLanguages
Max Binding: AllLanguages
Observation.statusrequiredObservationStatus
Observation.categorypreferredObservationCategoryCodes
Observation.codeexampleLOINCCodes
Observation.value[x]:valueQuantity.comparatorrequiredQuantityComparator
Observation.dataAbsentReasonextensibleDataAbsentReason
Observation.interpretationextensibleObservationInterpretationCodes
Observation.bodySiteexampleSNOMEDCTBodyStructures
Observation.methodexampleObservationMethods
Observation.referenceRange.typepreferredObservationReferenceRangeMeaningCodes
Observation.referenceRange.appliesToexampleObservationReferenceRangeAppliesToCodes
Observation.component.codeexampleLOINCCodes
Observation.component.dataAbsentReasonextensibleDataAbsentReason
Observation.component.interpretationextensibleObservationInterpretationCodes