ACT-NOW Implementation Guide
0.4.0 - ci-build New Zealand flag

ACT-NOW Implementation Guide, published by Te aho o te kahu - Cancer Control Agency. This guide is not an authorized publication; it is the continuous build for version 0.4.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/davidhay25/actnow/ and changes regularly. See the Directory of published versions

Resource Profile: Weight

Official URL: http://canshare.co.nz/fhir/StructureDefinition/an-weight Version: 0.4.0
Draft as of 2024-03-23 Computable Name: ObservationWeight

An observation that represents a weight measurement

Usage:

Formal Views of Profile Content

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

This structure is derived from Observation

NameFlagsCard.TypeDescription & Constraintsdoco
.. Observation C0..*ObservationMeasurements and simple assertions
an-weight-1: The weight must be between 20 and 400
... identifier 1..*IdentifierBusiness Identifier for observation
... status S1..1coderegistered | preliminary | final | amended +
... code S1..1CodeableConceptType of observation (code / type)
.... Slices for coding 1..*CodingCode defined by a terminology system
Slice: Unordered, Open by pattern:code
..... coding:snomedCode 1..1CodingCode defined by a terminology system
...... system 0..1uriIdentity of the terminology system
Required Pattern: http://snomed.info/sct
...... code 1..1codeSymbol in syntax defined by the system
Required Pattern: 27113001
..... coding:loincCode 0..1CodingCode defined by a terminology system
...... system 0..1uriIdentity of the terminology system
Required Pattern: http://loinc.org
...... code 1..1codeSymbol in syntax defined by the system
Required Pattern: 29463-7
... effective[x] 0..1dateTimeClinically relevant time/time-period for observation
... value[x] S1..1QuantityActual result
.... value 1..1decimalNumerical value (with implicit precision)
.... system 1..1uriSystem that defines coded unit form
Required Pattern: http://unitsofmeasure.org
.... code 1..1codeCoded form of the unit
Required Pattern: kg

doco Documentation for this format

Constraints

IdGradePath(s)DetailsRequirements
an-weight-1warningObservationThe weight must be between 20 and 400
: Observation.valueQuantity.value > 20 and Observation.valueQuantity.value < 400
NameFlagsCard.TypeDescription & Constraintsdoco
.. Observation C0..*ObservationMeasurements and simple assertions
obs-6: dataAbsentReason SHALL only be present if Observation.value[x] is not present
obs-7: If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present
an-weight-1: The weight must be between 20 and 400
... implicitRules ?!Σ0..1uriA set of rules under which this content was created
... modifierExtension ?!0..*ExtensionExtensions that cannot be ignored
... identifier Σ1..*IdentifierBusiness Identifier for observation
... code SΣ1..1CodeableConceptType of observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.

.... Slices for coding Σ1..*CodingCode defined by a terminology system
Slice: Unordered, Open by pattern:code
..... coding:snomedCode Σ1..1CodingCode defined by a terminology system
...... system Σ0..1uriIdentity of the terminology system
Required Pattern: http://snomed.info/sct
...... code Σ1..1codeSymbol in syntax defined by the system
Required Pattern: 27113001
..... coding:loincCode Σ0..1CodingCode defined by a terminology system
...... system Σ0..1uriIdentity of the terminology system
Required Pattern: http://loinc.org
...... code Σ1..1codeSymbol in syntax defined by the system
Required Pattern: 29463-7
... subject SΣ1..1Reference(Patient | Group | Device | Location)Who and/or what the observation is about
... effective[x] Σ0..1dateTimeClinically relevant time/time-period for observation
... value[x] SΣC1..1QuantityActual result
.... value Σ1..1decimalNumerical value (with implicit precision)
.... comparator ?!Σ0..1code< | <= | >= | > - how to understand the value
Binding: QuantityComparator (required): How the Quantity should be understood and represented.

.... system ΣC1..1uriSystem that defines coded unit form
Required Pattern: http://unitsofmeasure.org
.... code Σ1..1codeCoded form of the unit
Required Pattern: kg

doco Documentation for this format

Terminology Bindings

PathConformanceValueSetURI
Observation.statusrequiredObservationStatus
http://hl7.org/fhir/ValueSet/observation-status|4.0.1
from the FHIR Standard
Observation.codeexampleLOINCCodes (a valid code from LOINC)
http://hl7.org/fhir/ValueSet/observation-codes
from the FHIR Standard
Observation.value[x].comparatorrequiredQuantityComparator
http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1
from the FHIR Standard

Constraints

IdGradePath(s)DetailsRequirements
an-weight-1warningObservationThe weight must be between 20 and 400
: Observation.valueQuantity.value > 20 and Observation.valueQuantity.value < 400
dom-2errorObservationIf the resource is contained in another resource, it SHALL NOT contain nested Resources
: contained.contained.empty()
dom-3errorObservationIf the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource
: contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4errorObservationIf a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated
: contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5errorObservationIf a resource is contained in another resource, it SHALL NOT have a security label
: contained.meta.security.empty()
dom-6best practiceObservationA resource should have narrative for robust management
: text.`div`.exists()
ele-1error**ALL** elementsAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1error**ALL** extensionsMust have either extensions or value[x], not both
: extension.exists() != value.exists()
obs-6errorObservationdataAbsentReason SHALL only be present if Observation.value[x] is not present
: dataAbsentReason.empty() or value.empty()
obs-7errorObservationIf Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present
: value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()
NameFlagsCard.TypeDescription & Constraintsdoco
.. Observation C0..*ObservationMeasurements and simple assertions
obs-6: dataAbsentReason SHALL only be present if Observation.value[x] is not present
obs-7: If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present
an-weight-1: The weight must be between 20 and 400
... id Σ0..1idLogical 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): A human language.

Additional BindingsPurpose
AllLanguagesMax Binding
... 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 Σ1..*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 ?!SΣ1..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.


... code SΣ1..1CodeableConceptType of observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.

.... id 0..1stringUnique id for inter-element referencing
.... extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
.... Slices for coding Σ1..*CodingCode defined by a terminology system
Slice: Unordered, Open by pattern:code
..... coding:snomedCode Σ1..1CodingCode defined by a terminology system
...... id 0..1stringUnique id for inter-element referencing
...... extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
...... system Σ0..1uriIdentity of the terminology system
Required Pattern: http://snomed.info/sct
...... version Σ0..1stringVersion of the system - if relevant
...... code Σ1..1codeSymbol in syntax defined by the system
Required Pattern: 27113001
...... display Σ0..1stringRepresentation defined by the system
...... userSelected Σ0..1booleanIf this coding was chosen directly by the user
..... coding:loincCode Σ0..1CodingCode defined by a terminology system
...... id 0..1stringUnique id for inter-element referencing
...... extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
...... system Σ0..1uriIdentity of the terminology system
Required Pattern: http://loinc.org
...... version Σ0..1stringVersion of the system - if relevant
...... code Σ1..1codeSymbol in syntax defined by the system
Required Pattern: 29463-7
...... 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 SΣ1..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..1dateTimeClinically relevant time/time-period for observation
... issued Σ0..1instantDate/Time this version was made available
... performer Σ0..*Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson)Who is responsible for the observation
... value[x] SΣC1..1QuantityActual result
.... id 0..1stringUnique id for inter-element referencing
.... extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
.... value Σ1..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 ΣC1..1uriSystem that defines coded unit form
Required Pattern: http://unitsofmeasure.org
.... code Σ1..1codeCoded form of the unit
Required Pattern: kg
... dataAbsentReason C0..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
... 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 C0..*BackboneElementProvides guide for interpretation
obs-3: Must have at least a low or a high or text
.... 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 C0..1SimpleQuantityLow Range, if relevant
.... high C0..1SimpleQuantityHigh Range, if relevant
.... type 0..1CodeableConceptReference range qualifier
Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.

.... 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 C0..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

Terminology Bindings

PathConformanceValueSetURI
Observation.languagepreferredCommonLanguages
Additional Bindings Purpose
AllLanguages Max Binding
http://hl7.org/fhir/ValueSet/languages
from the FHIR Standard
Observation.statusrequiredObservationStatus
http://hl7.org/fhir/ValueSet/observation-status|4.0.1
from the FHIR Standard
Observation.categorypreferredObservationCategoryCodes
http://hl7.org/fhir/ValueSet/observation-category
from the FHIR Standard
Observation.codeexampleLOINCCodes (a valid code from LOINC)
http://hl7.org/fhir/ValueSet/observation-codes
from the FHIR Standard
Observation.value[x].comparatorrequiredQuantityComparator
http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1
from the FHIR Standard
Observation.dataAbsentReasonextensibleDataAbsentReason
http://hl7.org/fhir/ValueSet/data-absent-reason
from the FHIR Standard
Observation.interpretationextensibleObservationInterpretationCodes
http://hl7.org/fhir/ValueSet/observation-interpretation
from the FHIR Standard
Observation.bodySiteexampleSNOMEDCTBodyStructures
http://hl7.org/fhir/ValueSet/body-site
from the FHIR Standard
Observation.methodexampleObservationMethods
http://hl7.org/fhir/ValueSet/observation-methods
from the FHIR Standard
Observation.referenceRange.typepreferredObservationReferenceRangeMeaningCodes
http://hl7.org/fhir/ValueSet/referencerange-meaning
from the FHIR Standard
Observation.referenceRange.appliesToexampleObservationReferenceRangeAppliesToCodes
http://hl7.org/fhir/ValueSet/referencerange-appliesto
from the FHIR Standard
Observation.component.codeexampleLOINCCodes (a valid code from LOINC)
http://hl7.org/fhir/ValueSet/observation-codes
from the FHIR Standard
Observation.component.dataAbsentReasonextensibleDataAbsentReason
http://hl7.org/fhir/ValueSet/data-absent-reason
from the FHIR Standard
Observation.component.interpretationextensibleObservationInterpretationCodes
http://hl7.org/fhir/ValueSet/observation-interpretation
from the FHIR Standard

Constraints

IdGradePath(s)DetailsRequirements
an-weight-1warningObservationThe weight must be between 20 and 400
: Observation.valueQuantity.value > 20 and Observation.valueQuantity.value < 400
dom-2errorObservationIf the resource is contained in another resource, it SHALL NOT contain nested Resources
: contained.contained.empty()
dom-3errorObservationIf the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource
: contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4errorObservationIf a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated
: contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5errorObservationIf a resource is contained in another resource, it SHALL NOT have a security label
: contained.meta.security.empty()
dom-6best practiceObservationA resource should have narrative for robust management
: text.`div`.exists()
ele-1error**ALL** elementsAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1error**ALL** extensionsMust have either extensions or value[x], not both
: extension.exists() != value.exists()
obs-3errorObservation.referenceRangeMust have at least a low or a high or text
: low.exists() or high.exists() or text.exists()
obs-6errorObservationdataAbsentReason SHALL only be present if Observation.value[x] is not present
: dataAbsentReason.empty() or value.empty()
obs-7errorObservationIf Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present
: value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()

This structure is derived from Observation

Summary

Mandatory: 9 elements (1 nested mandatory element)
Must-Support: 4 elements

Slices

This structure defines the following Slices:

  • The element Observation.code.coding is sliced based on the value of pattern:code

Differential View

This structure is derived from Observation

NameFlagsCard.TypeDescription & Constraintsdoco
.. Observation C0..*ObservationMeasurements and simple assertions
an-weight-1: The weight must be between 20 and 400
... identifier 1..*IdentifierBusiness Identifier for observation
... status S1..1coderegistered | preliminary | final | amended +
... code S1..1CodeableConceptType of observation (code / type)
.... Slices for coding 1..*CodingCode defined by a terminology system
Slice: Unordered, Open by pattern:code
..... coding:snomedCode 1..1CodingCode defined by a terminology system
...... system 0..1uriIdentity of the terminology system
Required Pattern: http://snomed.info/sct
...... code 1..1codeSymbol in syntax defined by the system
Required Pattern: 27113001
..... coding:loincCode 0..1CodingCode defined by a terminology system
...... system 0..1uriIdentity of the terminology system
Required Pattern: http://loinc.org
...... code 1..1codeSymbol in syntax defined by the system
Required Pattern: 29463-7
... effective[x] 0..1dateTimeClinically relevant time/time-period for observation
... value[x] S1..1QuantityActual result
.... value 1..1decimalNumerical value (with implicit precision)
.... system 1..1uriSystem that defines coded unit form
Required Pattern: http://unitsofmeasure.org
.... code 1..1codeCoded form of the unit
Required Pattern: kg

doco Documentation for this format

Constraints

IdGradePath(s)DetailsRequirements
an-weight-1warningObservationThe weight must be between 20 and 400
: Observation.valueQuantity.value > 20 and Observation.valueQuantity.value < 400

Key Elements View

NameFlagsCard.TypeDescription & Constraintsdoco
.. Observation C0..*ObservationMeasurements and simple assertions
obs-6: dataAbsentReason SHALL only be present if Observation.value[x] is not present
obs-7: If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present
an-weight-1: The weight must be between 20 and 400
... implicitRules ?!Σ0..1uriA set of rules under which this content was created
... modifierExtension ?!0..*ExtensionExtensions that cannot be ignored
... identifier Σ1..*IdentifierBusiness Identifier for observation
... code SΣ1..1CodeableConceptType of observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.

.... Slices for coding Σ1..*CodingCode defined by a terminology system
Slice: Unordered, Open by pattern:code
..... coding:snomedCode Σ1..1CodingCode defined by a terminology system
...... system Σ0..1uriIdentity of the terminology system
Required Pattern: http://snomed.info/sct
...... code Σ1..1codeSymbol in syntax defined by the system
Required Pattern: 27113001
..... coding:loincCode Σ0..1CodingCode defined by a terminology system
...... system Σ0..1uriIdentity of the terminology system
Required Pattern: http://loinc.org
...... code Σ1..1codeSymbol in syntax defined by the system
Required Pattern: 29463-7
... subject SΣ1..1Reference(Patient | Group | Device | Location)Who and/or what the observation is about
... effective[x] Σ0..1dateTimeClinically relevant time/time-period for observation
... value[x] SΣC1..1QuantityActual result
.... value Σ1..1decimalNumerical value (with implicit precision)
.... comparator ?!Σ0..1code< | <= | >= | > - how to understand the value
Binding: QuantityComparator (required): How the Quantity should be understood and represented.

.... system ΣC1..1uriSystem that defines coded unit form
Required Pattern: http://unitsofmeasure.org
.... code Σ1..1codeCoded form of the unit
Required Pattern: kg

doco Documentation for this format

Terminology Bindings

PathConformanceValueSetURI
Observation.statusrequiredObservationStatus
http://hl7.org/fhir/ValueSet/observation-status|4.0.1
from the FHIR Standard
Observation.codeexampleLOINCCodes (a valid code from LOINC)
http://hl7.org/fhir/ValueSet/observation-codes
from the FHIR Standard
Observation.value[x].comparatorrequiredQuantityComparator
http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1
from the FHIR Standard

Constraints

IdGradePath(s)DetailsRequirements
an-weight-1warningObservationThe weight must be between 20 and 400
: Observation.valueQuantity.value > 20 and Observation.valueQuantity.value < 400
dom-2errorObservationIf the resource is contained in another resource, it SHALL NOT contain nested Resources
: contained.contained.empty()
dom-3errorObservationIf the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource
: contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4errorObservationIf a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated
: contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5errorObservationIf a resource is contained in another resource, it SHALL NOT have a security label
: contained.meta.security.empty()
dom-6best practiceObservationA resource should have narrative for robust management
: text.`div`.exists()
ele-1error**ALL** elementsAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1error**ALL** extensionsMust have either extensions or value[x], not both
: extension.exists() != value.exists()
obs-6errorObservationdataAbsentReason SHALL only be present if Observation.value[x] is not present
: dataAbsentReason.empty() or value.empty()
obs-7errorObservationIf Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present
: value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()

Snapshot View

NameFlagsCard.TypeDescription & Constraintsdoco
.. Observation C0..*ObservationMeasurements and simple assertions
obs-6: dataAbsentReason SHALL only be present if Observation.value[x] is not present
obs-7: If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present
an-weight-1: The weight must be between 20 and 400
... id Σ0..1idLogical 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): A human language.

Additional BindingsPurpose
AllLanguagesMax Binding
... 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 Σ1..*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 ?!SΣ1..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.


... code SΣ1..1CodeableConceptType of observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.

.... id 0..1stringUnique id for inter-element referencing
.... extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
.... Slices for coding Σ1..*CodingCode defined by a terminology system
Slice: Unordered, Open by pattern:code
..... coding:snomedCode Σ1..1CodingCode defined by a terminology system
...... id 0..1stringUnique id for inter-element referencing
...... extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
...... system Σ0..1uriIdentity of the terminology system
Required Pattern: http://snomed.info/sct
...... version Σ0..1stringVersion of the system - if relevant
...... code Σ1..1codeSymbol in syntax defined by the system
Required Pattern: 27113001
...... display Σ0..1stringRepresentation defined by the system
...... userSelected Σ0..1booleanIf this coding was chosen directly by the user
..... coding:loincCode Σ0..1CodingCode defined by a terminology system
...... id 0..1stringUnique id for inter-element referencing
...... extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
...... system Σ0..1uriIdentity of the terminology system
Required Pattern: http://loinc.org
...... version Σ0..1stringVersion of the system - if relevant
...... code Σ1..1codeSymbol in syntax defined by the system
Required Pattern: 29463-7
...... 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 SΣ1..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..1dateTimeClinically relevant time/time-period for observation
... issued Σ0..1instantDate/Time this version was made available
... performer Σ0..*Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson)Who is responsible for the observation
... value[x] SΣC1..1QuantityActual result
.... id 0..1stringUnique id for inter-element referencing
.... extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
.... value Σ1..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 ΣC1..1uriSystem that defines coded unit form
Required Pattern: http://unitsofmeasure.org
.... code Σ1..1codeCoded form of the unit
Required Pattern: kg
... dataAbsentReason C0..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
... 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 C0..*BackboneElementProvides guide for interpretation
obs-3: Must have at least a low or a high or text
.... 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 C0..1SimpleQuantityLow Range, if relevant
.... high C0..1SimpleQuantityHigh Range, if relevant
.... type 0..1CodeableConceptReference range qualifier
Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.

.... 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 C0..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

Terminology Bindings

PathConformanceValueSetURI
Observation.languagepreferredCommonLanguages
Additional Bindings Purpose
AllLanguages Max Binding
http://hl7.org/fhir/ValueSet/languages
from the FHIR Standard
Observation.statusrequiredObservationStatus
http://hl7.org/fhir/ValueSet/observation-status|4.0.1
from the FHIR Standard
Observation.categorypreferredObservationCategoryCodes
http://hl7.org/fhir/ValueSet/observation-category
from the FHIR Standard
Observation.codeexampleLOINCCodes (a valid code from LOINC)
http://hl7.org/fhir/ValueSet/observation-codes
from the FHIR Standard
Observation.value[x].comparatorrequiredQuantityComparator
http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1
from the FHIR Standard
Observation.dataAbsentReasonextensibleDataAbsentReason
http://hl7.org/fhir/ValueSet/data-absent-reason
from the FHIR Standard
Observation.interpretationextensibleObservationInterpretationCodes
http://hl7.org/fhir/ValueSet/observation-interpretation
from the FHIR Standard
Observation.bodySiteexampleSNOMEDCTBodyStructures
http://hl7.org/fhir/ValueSet/body-site
from the FHIR Standard
Observation.methodexampleObservationMethods
http://hl7.org/fhir/ValueSet/observation-methods
from the FHIR Standard
Observation.referenceRange.typepreferredObservationReferenceRangeMeaningCodes
http://hl7.org/fhir/ValueSet/referencerange-meaning
from the FHIR Standard
Observation.referenceRange.appliesToexampleObservationReferenceRangeAppliesToCodes
http://hl7.org/fhir/ValueSet/referencerange-appliesto
from the FHIR Standard
Observation.component.codeexampleLOINCCodes (a valid code from LOINC)
http://hl7.org/fhir/ValueSet/observation-codes
from the FHIR Standard
Observation.component.dataAbsentReasonextensibleDataAbsentReason
http://hl7.org/fhir/ValueSet/data-absent-reason
from the FHIR Standard
Observation.component.interpretationextensibleObservationInterpretationCodes
http://hl7.org/fhir/ValueSet/observation-interpretation
from the FHIR Standard

Constraints

IdGradePath(s)DetailsRequirements
an-weight-1warningObservationThe weight must be between 20 and 400
: Observation.valueQuantity.value > 20 and Observation.valueQuantity.value < 400
dom-2errorObservationIf the resource is contained in another resource, it SHALL NOT contain nested Resources
: contained.contained.empty()
dom-3errorObservationIf the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource
: contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4errorObservationIf a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated
: contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5errorObservationIf a resource is contained in another resource, it SHALL NOT have a security label
: contained.meta.security.empty()
dom-6best practiceObservationA resource should have narrative for robust management
: text.`div`.exists()
ele-1error**ALL** elementsAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1error**ALL** extensionsMust have either extensions or value[x], not both
: extension.exists() != value.exists()
obs-3errorObservation.referenceRangeMust have at least a low or a high or text
: low.exists() or high.exists() or text.exists()
obs-6errorObservationdataAbsentReason SHALL only be present if Observation.value[x] is not present
: dataAbsentReason.empty() or value.empty()
obs-7errorObservationIf Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present
: value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()

This structure is derived from Observation

Summary

Mandatory: 9 elements (1 nested mandatory element)
Must-Support: 4 elements

Slices

This structure defines the following Slices:

  • The element Observation.code.coding is sliced based on the value of pattern:code

 

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