NZ Shared Digital Health Record API
1.1.6 - release

NZ Shared Digital Health Record API, published by Health New Zealand. This guide is not an authorized publication; it is the continuous build for version 1.1.6 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/tewhatuora/fhir-sdhr/ and changes regularly. See the Directory of published versions

Resource Profile: SDHRObservation

Official URL: https://fhir-ig.digital.health.nz/sdhr/StructureDefinition/SDHRObservation Version: 1.1.6
Active as of 2026-10-20 Computable Name: SDHRObservation

A Shared Digital Health Record Observation.

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

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

NameFlagsCard.TypeDescription & Constraints    Filter: doco
Observation C 0..* Observation Measurements and simple assertions
Constraints: obs-6, obs-7, value-or-dataabsentreason-required
Observation.meta This element is included in summaries. 1..1 Meta Metadata about the resource
Observation.meta.source This element is included in summaries. C 1..1 uri Captures the source of the record - please see description for details
Constraints: hpi-location-url-format
Observation.meta.profile This element is included in summaries. 1..1 canonical(StructureDefinition) Profiles this resource claims to conform to
Observation.meta.tag This element is included in summaries. 0..* Coding Tag the resource with a code to indicate usability components of the resource
Binding: ValueSet for SDHR Resource Tags (preferred)
Observation.implicitRules This element is a modifier element. This element is included in summaries. 0..1 uri A set of rules under which this content was created
Observation.Slices for extension 1..* Extension Extension
Slice: Unordered, Open by value:url

Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Observation.Slices for extension.extension:ClientLastUpdated 1..1 dateTime Client Last Updated
URL: https://fhir-ig.digital.health.nz/sdhr/StructureDefinition/hnz-sdhr-client-last-updated-extension
Observation.identifier This element is included in summaries. 1..* Identifier A local identifier MUST be added to this section. If used, system MUST be specified.
Observation.identifier.use This element is a modifier element. This element is included in summaries. 0..1 code The local identifier use SHOULD be set to secondary, where the SDHR resource id is considered the primary identifier.
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
Observation.identifier.system This element is included in summaries. 1..1 uri System for the local identifier. This MUST be consistent per PMS/Health Application
Example General: http://www.acme.com/identifiers/patient
Example Local Identifier System: https://fhir.example.co.nz
Observation.identifier.value This element is included in summaries. 1..1 string The actual local identifier value, e.g. ec2d6cad-1e19-46ee-accf-dc460a680710
Example General: 123456
Example Local Identifier Value: ec2d6cad-1e19-46ee-accf-dc460a680710
Observation.status This element is a modifier element. This element is included in summaries. 1..1 code registered | preliminary | final | amended +
Binding: ObservationStatus (required): Codes providing the status of an observation.
Observation.code This element is included in summaries. 1..1 CodeableConcept Observation code. Note that when the observation is an individual observation (singular) LOINC should be used. If, however, the Observation is a grouping (e.g. vital-signs) the code can be from SNOMED CT e.g. `122869004`. See https://fhir-ig.digital.health.nz/sdhr/Observation-ObservationVitalSignsExample.html for example
Binding: LOINCCodes (preferred)
Observation.subject This element is included in summaries. 1..1 Reference(Patient) National Health Identifier for the health consumer
Observation.subject.reference This element is included in summaries. C 1..1 string Must be an absolute URL reference to the patient on the NHI system. See constraints for details.
Constraints: nhi-url-format
Observation.subject.type This element is included in summaries. 1..1 uri Type the reference refers to (e.g. "Patient")
Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
Required Pattern: Patient (extensions allowed)
Observation.effective[x] This element is included in summaries. 1..1 Date and time/time-period the measurement was obtained
Observation.effective[x].effectiveDateTime dateTime
Observation.effective[x].effectivePeriod Period
Observation.effective[x].effectiveTiming Timing
Observation.effective[x].effectiveInstant instant
Observation.performer This element is included in summaries. 0..* Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Preferred - an HPI Practitioner URL with format https://api.hip.digital.health.nz/fhir/hpi/v1/Practitioner/11AAAA
Observation.bodySite 0..1 CodeableConcept Code for the body site affected by the problem (if applicable)
Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.meta.tag Base preferred ValueSet for SDHR Resource Tags 📦1.1.6 This IG
Observation.identifier.​use Base required IdentifierUse 📍4.0.1 FHIR Std.
Observation.status Base required ObservationStatus 📍4.0.1 FHIR Std.
Observation.code Base preferred LOINC Codes 📦4.0.1 FHIR Std.
Observation.subject.​type Base extensible ResourceType 📍4.0.1 FHIR Std.
Observation.bodySite Base example SNOMED CT Body Structures 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
dom-2 error Observation If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Observation If 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-4 error Observation If 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-5 error Observation If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Observation A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()
hpi-location-url-format error Observation.meta.source Reference must be an HPI Location URL with format https://api.hip.digital.health.nz/fhir/hpi/v1/Location/FZZ111-A matches('^https://api.hip.digital.health.nz/fhir/hpi/v1/Location/F[A-Za-z0-9]{2}[0-9]{3}-[A-Za-z0-9]$')
nhi-url-format error Observation.subject.reference Reference must be an NHI Patient URL with format https://api.hip.digital.health.nz/fhir/nhi/v1/Patient/ZZZ1111 or ZZZ11AA matches('^https://api.hip.digital.health.nz/fhir/nhi/v1/Patient/[A-Z]{3}([0-9]{4}|[0-9]{2}[A-Z]{2})$')
obs-6 error Observation dataAbsentReason SHALL only be present if Observation.value[x] is not present dataAbsentReason.empty() or value.empty()
obs-7 error Observation If 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()
value-or-dataabsentreason-required error Observation Observations must have a root or component value[x], or a root or component dataAbsentReason. value.exists() or component.value.exists() or dataAbsentReason.exists() or component.dataAbsentReason.exists()

This structure is derived from Observation

NameFlagsCard.TypeDescription & Constraints    Filter: doco
Observation C 0..* Observation Measurements and simple assertions
Constraints: value-or-dataabsentreason-required
Observation.meta 1..1 Meta Metadata about the resource
Observation.meta.source C 1..1 uri Captures the source of the record - please see description for details
Constraints: hpi-location-url-format
Observation.meta.profile 1..1 canonical(StructureDefinition) Profiles this resource claims to conform to
Observation.meta.tag 0..* Coding Tag the resource with a code to indicate usability components of the resource
Binding: ValueSet for SDHR Resource Tags (preferred)
Observation.contained 0..0 Contained, inline Resources
Observation.Slices for extension 1..* Extension Extension
Slice: Unordered, Open by value:url
Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Observation.Slices for extension.extension:ClientLastUpdated 1..1 dateTime Client Last Updated
URL: https://fhir-ig.digital.health.nz/sdhr/StructureDefinition/hnz-sdhr-client-last-updated-extension
Observation.identifier 1..* Identifier A local identifier MUST be added to this section. If used, system MUST be specified.
Observation.identifier.use 0..1 code The local identifier use SHOULD be set to secondary, where the SDHR resource id is considered the primary identifier.
Observation.identifier.system 1..1 uri System for the local identifier. This MUST be consistent per PMS/Health Application
Example Local Identifier System: https://fhir.example.co.nz
Observation.identifier.value 1..1 string The actual local identifier value, e.g. ec2d6cad-1e19-46ee-accf-dc460a680710
Example Local Identifier Value: ec2d6cad-1e19-46ee-accf-dc460a680710
Observation.code 1..1 CodeableConcept Observation code. Note that when the observation is an individual observation (singular) LOINC should be used. If, however, the Observation is a grouping (e.g. vital-signs) the code can be from SNOMED CT e.g. `122869004`. See https://fhir-ig.digital.health.nz/sdhr/Observation-ObservationVitalSignsExample.html for example
Binding: LOINCCodes (preferred)
Observation.code.coding
Observation.code.coding.userSelected 0..1 boolean Indicates that the value has been selected by a system user
Observation.subject 1..1 Reference(Patient) National Health Identifier for the health consumer
Observation.subject.reference C 1..1 string Must be an absolute URL reference to the patient on the NHI system. See constraints for details.
Constraints: nhi-url-format
Observation.subject.type 1..1 uri Type the reference refers to (e.g. "Patient")
Required Pattern: Patient (extensions allowed)
Observation.effective[x] 1..1 dateTime, Period, Timing, instant Date and time/time-period the measurement was obtained
Observation.performer 0..* Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Preferred - an HPI Practitioner URL with format https://api.hip.digital.health.nz/fhir/hpi/v1/Practitioner/11AAAA
Observation.bodySite 0..1 CodeableConcept Code for the body site affected by the problem (if applicable)
Observation.component
Observation.component.code 1..1 CodeableConcept Type of component observation (code / type)
Binding: LOINCCodes (preferred)
Observation.component.code.coding
Observation.component.code.coding.userSelected 0..1 boolean Indicates that the value has been selected by a system user

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
Observation.meta.tag Base preferred ValueSet for SDHR Resource Tags 📦1.1.6 This IG
Observation.code Base preferred LOINC Codes 📦4.0.1 FHIR Std.
Observation.component.​code Base preferred LOINC Codes 📦4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
hpi-location-url-format error Observation.meta.source Reference must be an HPI Location URL with format https://api.hip.digital.health.nz/fhir/hpi/v1/Location/FZZ111-A matches('^https://api.hip.digital.health.nz/fhir/hpi/v1/Location/F[A-Za-z0-9]{2}[0-9]{3}-[A-Za-z0-9]$')
nhi-url-format error Observation.subject.reference Reference must be an NHI Patient URL with format https://api.hip.digital.health.nz/fhir/nhi/v1/Patient/ZZZ1111 or ZZZ11AA matches('^https://api.hip.digital.health.nz/fhir/nhi/v1/Patient/[A-Z]{3}([0-9]{4}|[0-9]{2}[A-Z]{2})$')
value-or-dataabsentreason-required error Observation Observations must have a root or component value[x], or a root or component dataAbsentReason. value.exists() or component.value.exists() or dataAbsentReason.exists() or component.dataAbsentReason.exists()
NameFlagsCard.TypeDescription & Constraints    Filter: doco
Observation C 0..* Observation Measurements and simple assertions
Constraints: obs-6, obs-7, value-or-dataabsentreason-required
Observation.id This element is included in summaries. 0..1 id Logical id of this artifact
Observation.meta This element is included in summaries. 1..1 Meta Metadata about the resource
Observation.meta.id 0..1 string Unique id for inter-element referencing
Observation.meta.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Observation.meta.versionId This element is included in summaries. 0..1 id Version specific identifier
Observation.meta.lastUpdated This element is included in summaries. 0..1 instant When the resource version last changed
Observation.meta.source This element is included in summaries. C 1..1 uri Captures the source of the record - please see description for details
Constraints: hpi-location-url-format
Observation.meta.profile This element is included in summaries. 1..1 canonical(StructureDefinition) Profiles this resource claims to conform to
Observation.meta.security This element is included in summaries. 0..* Coding Security Labels applied to this resource
Binding: All Security Labels (extensible): Security Labels from the Healthcare Privacy and Security Classification System.
Observation.meta.tag This element is included in summaries. 0..* Coding Tag the resource with a code to indicate usability components of the resource
Binding: ValueSet for SDHR Resource Tags (preferred)
Observation.implicitRules This element is a modifier element. This element is included in summaries. 0..1 uri A set of rules under which this content was created
Observation.language 0..1 code Language of the resource content
Binding: CommonLanguages (preferred): A human language.
Additional BindingsPurpose
AllLanguages Max Binding
Observation.text 0..1 Narrative Text summary of the resource, for human interpretation
This profile does not constrain the narrative in regard to content, language, or traceability to data elements
Observation.Slices for extension 1..* Extension Extension
Slice: Unordered, Open by value:url

Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Observation.Slices for extension.extension:ClientLastUpdated 1..1 dateTime Client Last Updated
URL: https://fhir-ig.digital.health.nz/sdhr/StructureDefinition/hnz-sdhr-client-last-updated-extension
Observation.identifier This element is included in summaries. 1..* Identifier A local identifier MUST be added to this section. If used, system MUST be specified.
Observation.identifier.id 0..1 string Unique id for inter-element referencing
Observation.identifier.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Observation.identifier.use This element is a modifier element. This element is included in summaries. 0..1 code The local identifier use SHOULD be set to secondary, where the SDHR resource id is considered the primary identifier.
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
Observation.identifier.type This element is included in summaries. 0..1 CodeableConcept Description of identifier
Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
Observation.identifier.system This element is included in summaries. 1..1 uri System for the local identifier. This MUST be consistent per PMS/Health Application
Example General: http://www.acme.com/identifiers/patient
Example Local Identifier System: https://fhir.example.co.nz
Observation.identifier.value This element is included in summaries. 1..1 string The actual local identifier value, e.g. ec2d6cad-1e19-46ee-accf-dc460a680710
Example General: 123456
Example Local Identifier Value: ec2d6cad-1e19-46ee-accf-dc460a680710
Observation.identifier.period This element is included in summaries. 0..1 Period Time period when id is/was valid for use
Observation.identifier.assigner This element is included in summaries. 0..1 Reference(Organization) Organization that issued id (may be just text)
Observation.basedOn This element is included in summaries. 0..* Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) Fulfills plan, proposal or order
Observation.partOf This element is included in summaries. 0..* Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) Part of referenced event
Observation.status This element is a modifier element. This element is included in summaries. 1..1 code registered | preliminary | final | amended +
Binding: ObservationStatus (required): Codes providing the status of an observation.
Observation.category 0..* CodeableConcept Classification of type of observation
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
Observation.code This element is included in summaries. 1..1 CodeableConcept Observation code. Note that when the observation is an individual observation (singular) LOINC should be used. If, however, the Observation is a grouping (e.g. vital-signs) the code can be from SNOMED CT e.g. `122869004`. See https://fhir-ig.digital.health.nz/sdhr/Observation-ObservationVitalSignsExample.html for example
Binding: LOINCCodes (preferred)
Observation.code.id 0..1 string Unique id for inter-element referencing
Observation.code.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Observation.code.coding This element is included in summaries. 0..* Coding Code defined by a terminology system
Observation.code.coding.id 0..1 string Unique id for inter-element referencing
Observation.code.coding.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Observation.code.coding.system This element is included in summaries. 0..1 uri Identity of the terminology system
Observation.code.coding.version This element is included in summaries. 0..1 string Version of the system - if relevant
Observation.code.coding.code This element is included in summaries. 0..1 code Symbol in syntax defined by the system
Observation.code.coding.display This element is included in summaries. 0..1 string Representation defined by the system
Observation.code.coding.userSelected This element is included in summaries. 0..1 boolean Indicates that the value has been selected by a system user
Observation.code.text This element is included in summaries. 0..1 string Plain text representation of the concept
Observation.subject This element is included in summaries. 1..1 Reference(Patient) National Health Identifier for the health consumer
Observation.subject.id 0..1 string Unique id for inter-element referencing
Observation.subject.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Observation.subject.reference This element is included in summaries. C 1..1 string Must be an absolute URL reference to the patient on the NHI system. See constraints for details.
Constraints: nhi-url-format
Observation.subject.type This element is included in summaries. 1..1 uri Type the reference refers to (e.g. "Patient")
Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
Required Pattern: Patient (extensions allowed)
Observation.subject.identifier This element is included in summaries. 0..1 Identifier Logical reference, when literal reference is not known
Observation.subject.display This element is included in summaries. 0..1 string Text alternative for the resource
Observation.focus This element is included in summaries. 0..* Reference(Resource) What the observation is about, when it is not about the subject of record
Observation.encounter This element is included in summaries. 0..1 Reference(Encounter) Healthcare event during which this observation is made
Observation.effective[x] This element is included in summaries. 1..1 Date and time/time-period the measurement was obtained
Observation.effective[x].effectiveDateTime dateTime
Observation.effective[x].effectivePeriod Period
Observation.effective[x].effectiveTiming Timing
Observation.effective[x].effectiveInstant instant
Observation.issued This element is included in summaries. 0..1 instant Date/Time this version was made available
Observation.performer This element is included in summaries. 0..* Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Preferred - an HPI Practitioner URL with format https://api.hip.digital.health.nz/fhir/hpi/v1/Practitioner/11AAAA
Observation.value[x] This element is included in summaries. C 0..1 Actual result
Observation.value[x].valueQuantity Quantity
Observation.value[x].valueCodeableConcept CodeableConcept
Observation.value[x].valueString string
Observation.value[x].valueBoolean boolean
Observation.value[x].valueInteger integer
Observation.value[x].valueRange Range
Observation.value[x].valueRatio Ratio
Observation.value[x].valueSampledData SampledData
Observation.value[x].valueTime time
Observation.value[x].valueDateTime dateTime
Observation.value[x].valuePeriod Period
Observation.dataAbsentReason C 0..1 CodeableConcept Why the result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
Observation.interpretation 0..* CodeableConcept High, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
Observation.note 0..* Annotation Comments about the observation
Observation.bodySite 0..1 CodeableConcept Code for the body site affected by the problem (if applicable)
Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
Observation.method 0..1 CodeableConcept How it was done
Binding: ObservationMethods (example): Methods for simple observations.
Observation.specimen 0..1 Reference(Specimen) Specimen used for this observation
Observation.device 0..1 Reference(Device | DeviceMetric) (Measurement) Device
Observation.referenceRange C 0..* BackboneElement Provides guide for interpretation
Constraints: obs-3
Observation.referenceRange.id 0..1 string Unique id for inter-element referencing
Observation.referenceRange.extension 0..* Extension Additional content defined by implementations
Observation.referenceRange.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored even if unrecognized
Observation.referenceRange.low C 0..1 SimpleQuantity(4.0.1) Low Range, if relevant
Constraints: sqty-1
Observation.referenceRange.high C 0..1 SimpleQuantity(4.0.1) High Range, if relevant
Constraints: sqty-1
Observation.referenceRange.type 0..1 CodeableConcept Reference range qualifier
Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.
Observation.referenceRange.appliesTo 0..* CodeableConcept Reference range population
Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.
Observation.referenceRange.age 0..1 Range Applicable age range, if relevant
Observation.referenceRange.text 0..1 string Text based reference range in an observation
Observation.hasMember This element is included in summaries. 0..* Reference(Observation | QuestionnaireResponse | MolecularSequence) Related resource that belongs to the Observation group
Observation.derivedFrom This element is included in summaries. 0..* Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence) Related measurements the observation is made from
Observation.component This element is included in summaries. 0..* BackboneElement Component results
Observation.component.id 0..1 string Unique id for inter-element referencing
Observation.component.extension 0..* Extension Additional content defined by implementations
Observation.component.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored even if unrecognized
Observation.component.code This element is included in summaries. 1..1 CodeableConcept Type of component observation (code / type)
Binding: LOINCCodes (preferred)
Observation.component.code.id 0..1 string Unique id for inter-element referencing
Observation.component.code.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Observation.component.code.coding This element is included in summaries. 0..* Coding Code defined by a terminology system
Observation.component.code.coding.id 0..1 string Unique id for inter-element referencing
Observation.component.code.coding.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Observation.component.code.coding.system This element is included in summaries. 0..1 uri Identity of the terminology system
Observation.component.code.coding.version This element is included in summaries. 0..1 string Version of the system - if relevant
Observation.component.code.coding.code This element is included in summaries. 0..1 code Symbol in syntax defined by the system
Observation.component.code.coding.display This element is included in summaries. 0..1 string Representation defined by the system
Observation.component.code.coding.userSelected This element is included in summaries. 0..1 boolean Indicates that the value has been selected by a system user
Observation.component.code.text This element is included in summaries. 0..1 string Plain text representation of the concept
Observation.component.value[x] This element is included in summaries. 0..1 Actual component result
Observation.component.value[x].valueQuantity Quantity
Observation.component.value[x].valueCodeableConcept CodeableConcept
Observation.component.value[x].valueString string
Observation.component.value[x].valueBoolean boolean
Observation.component.value[x].valueInteger integer
Observation.component.value[x].valueRange Range
Observation.component.value[x].valueRatio Ratio
Observation.component.value[x].valueSampledData SampledData
Observation.component.value[x].valueTime time
Observation.component.value[x].valueDateTime dateTime
Observation.component.value[x].valuePeriod Period
Observation.component.dataAbsentReason C 0..1 CodeableConcept Why the component result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
Observation.component.interpretation 0..* CodeableConcept High, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
Observation.component.referenceRange 0..* See referenceRange (Observation) Provides guide for interpretation of component result

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.meta.security Base extensible SecurityLabels 📍4.0.1 FHIR Std.
Observation.meta.tag Base preferred ValueSet for SDHR Resource Tags 📦1.1.6 This IG
Observation.language Base preferred Common Languages 📍4.0.1 FHIR Std.
Observation.identifier.​use Base required IdentifierUse 📍4.0.1 FHIR Std.
Observation.identifier.​type Base extensible IdentifierType 📍4.0.1 FHIR Std.
Observation.status Base required ObservationStatus 📍4.0.1 FHIR Std.
Observation.category Base preferred Observation Category Codes 📍4.0.1 FHIR Std.
Observation.code Base preferred LOINC Codes 📦4.0.1 FHIR Std.
Observation.subject.​type Base extensible ResourceType 📍4.0.1 FHIR Std.
Observation.dataAbsentReason Base extensible DataAbsentReason 📍4.0.1 FHIR Std.
Observation.interpretation Base extensible Observation Interpretation Codes 📍4.0.1 FHIR Std.
Observation.bodySite Base example SNOMED CT Body Structures 📍4.0.1 FHIR Std.
Observation.method Base example Observation Methods 📍4.0.1 FHIR Std.
Observation.referenceRange.​type Base preferred Observation Reference Range Meaning Codes 📍4.0.1 FHIR Std.
Observation.referenceRange.​appliesTo Base example Observation Reference Range Applies To Codes 📍4.0.1 FHIR Std.
Observation.component.​code Base preferred LOINC Codes 📦4.0.1 FHIR Std.
Observation.component.​dataAbsentReason Base extensible DataAbsentReason 📍4.0.1 FHIR Std.
Observation.component.​interpretation Base extensible Observation Interpretation Codes 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
dom-2 error Observation If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Observation If 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-4 error Observation If 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-5 error Observation If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Observation A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()
hpi-location-url-format error Observation.meta.source Reference must be an HPI Location URL with format https://api.hip.digital.health.nz/fhir/hpi/v1/Location/FZZ111-A matches('^https://api.hip.digital.health.nz/fhir/hpi/v1/Location/F[A-Za-z0-9]{2}[0-9]{3}-[A-Za-z0-9]$')
nhi-url-format error Observation.subject.reference Reference must be an NHI Patient URL with format https://api.hip.digital.health.nz/fhir/nhi/v1/Patient/ZZZ1111 or ZZZ11AA matches('^https://api.hip.digital.health.nz/fhir/nhi/v1/Patient/[A-Z]{3}([0-9]{4}|[0-9]{2}[A-Z]{2})$')
obs-3 error Observation.referenceRange Must have at least a low or a high or text low.exists() or high.exists() or text.exists()
obs-6 error Observation dataAbsentReason SHALL only be present if Observation.value[x] is not present dataAbsentReason.empty() or value.empty()
obs-7 error Observation If 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()
sqty-1 error Observation.referenceRange.low, Observation.referenceRange.high The comparator is not used on a SimpleQuantity comparator.empty()
value-or-dataabsentreason-required error Observation Observations must have a root or component value[x], or a root or component dataAbsentReason. value.exists() or component.value.exists() or dataAbsentReason.exists() or component.dataAbsentReason.exists()

This structure is derived from Observation

Summary

Mandatory: 12 elements
Prohibited: 2 elements

Extensions

This structure refers to these extensions:

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: doco
Observation C 0..* Observation Measurements and simple assertions
Constraints: obs-6, obs-7, value-or-dataabsentreason-required
Observation.meta This element is included in summaries. 1..1 Meta Metadata about the resource
Observation.meta.source This element is included in summaries. C 1..1 uri Captures the source of the record - please see description for details
Constraints: hpi-location-url-format
Observation.meta.profile This element is included in summaries. 1..1 canonical(StructureDefinition) Profiles this resource claims to conform to
Observation.meta.tag This element is included in summaries. 0..* Coding Tag the resource with a code to indicate usability components of the resource
Binding: ValueSet for SDHR Resource Tags (preferred)
Observation.implicitRules This element is a modifier element. This element is included in summaries. 0..1 uri A set of rules under which this content was created
Observation.Slices for extension 1..* Extension Extension
Slice: Unordered, Open by value:url

Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Observation.Slices for extension.extension:ClientLastUpdated 1..1 dateTime Client Last Updated
URL: https://fhir-ig.digital.health.nz/sdhr/StructureDefinition/hnz-sdhr-client-last-updated-extension
Observation.identifier This element is included in summaries. 1..* Identifier A local identifier MUST be added to this section. If used, system MUST be specified.
Observation.identifier.use This element is a modifier element. This element is included in summaries. 0..1 code The local identifier use SHOULD be set to secondary, where the SDHR resource id is considered the primary identifier.
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
Observation.identifier.system This element is included in summaries. 1..1 uri System for the local identifier. This MUST be consistent per PMS/Health Application
Example General: http://www.acme.com/identifiers/patient
Example Local Identifier System: https://fhir.example.co.nz
Observation.identifier.value This element is included in summaries. 1..1 string The actual local identifier value, e.g. ec2d6cad-1e19-46ee-accf-dc460a680710
Example General: 123456
Example Local Identifier Value: ec2d6cad-1e19-46ee-accf-dc460a680710
Observation.status This element is a modifier element. This element is included in summaries. 1..1 code registered | preliminary | final | amended +
Binding: ObservationStatus (required): Codes providing the status of an observation.
Observation.code This element is included in summaries. 1..1 CodeableConcept Observation code. Note that when the observation is an individual observation (singular) LOINC should be used. If, however, the Observation is a grouping (e.g. vital-signs) the code can be from SNOMED CT e.g. `122869004`. See https://fhir-ig.digital.health.nz/sdhr/Observation-ObservationVitalSignsExample.html for example
Binding: LOINCCodes (preferred)
Observation.subject This element is included in summaries. 1..1 Reference(Patient) National Health Identifier for the health consumer
Observation.subject.reference This element is included in summaries. C 1..1 string Must be an absolute URL reference to the patient on the NHI system. See constraints for details.
Constraints: nhi-url-format
Observation.subject.type This element is included in summaries. 1..1 uri Type the reference refers to (e.g. "Patient")
Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
Required Pattern: Patient (extensions allowed)
Observation.effective[x] This element is included in summaries. 1..1 Date and time/time-period the measurement was obtained
Observation.effective[x].effectiveDateTime dateTime
Observation.effective[x].effectivePeriod Period
Observation.effective[x].effectiveTiming Timing
Observation.effective[x].effectiveInstant instant
Observation.performer This element is included in summaries. 0..* Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Preferred - an HPI Practitioner URL with format https://api.hip.digital.health.nz/fhir/hpi/v1/Practitioner/11AAAA
Observation.bodySite 0..1 CodeableConcept Code for the body site affected by the problem (if applicable)
Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.meta.tag Base preferred ValueSet for SDHR Resource Tags 📦1.1.6 This IG
Observation.identifier.​use Base required IdentifierUse 📍4.0.1 FHIR Std.
Observation.status Base required ObservationStatus 📍4.0.1 FHIR Std.
Observation.code Base preferred LOINC Codes 📦4.0.1 FHIR Std.
Observation.subject.​type Base extensible ResourceType 📍4.0.1 FHIR Std.
Observation.bodySite Base example SNOMED CT Body Structures 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
dom-2 error Observation If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Observation If 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-4 error Observation If 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-5 error Observation If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Observation A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()
hpi-location-url-format error Observation.meta.source Reference must be an HPI Location URL with format https://api.hip.digital.health.nz/fhir/hpi/v1/Location/FZZ111-A matches('^https://api.hip.digital.health.nz/fhir/hpi/v1/Location/F[A-Za-z0-9]{2}[0-9]{3}-[A-Za-z0-9]$')
nhi-url-format error Observation.subject.reference Reference must be an NHI Patient URL with format https://api.hip.digital.health.nz/fhir/nhi/v1/Patient/ZZZ1111 or ZZZ11AA matches('^https://api.hip.digital.health.nz/fhir/nhi/v1/Patient/[A-Z]{3}([0-9]{4}|[0-9]{2}[A-Z]{2})$')
obs-6 error Observation dataAbsentReason SHALL only be present if Observation.value[x] is not present dataAbsentReason.empty() or value.empty()
obs-7 error Observation If 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()
value-or-dataabsentreason-required error Observation Observations must have a root or component value[x], or a root or component dataAbsentReason. value.exists() or component.value.exists() or dataAbsentReason.exists() or component.dataAbsentReason.exists()

Differential View

This structure is derived from Observation

NameFlagsCard.TypeDescription & Constraints    Filter: doco
Observation C 0..* Observation Measurements and simple assertions
Constraints: value-or-dataabsentreason-required
Observation.meta 1..1 Meta Metadata about the resource
Observation.meta.source C 1..1 uri Captures the source of the record - please see description for details
Constraints: hpi-location-url-format
Observation.meta.profile 1..1 canonical(StructureDefinition) Profiles this resource claims to conform to
Observation.meta.tag 0..* Coding Tag the resource with a code to indicate usability components of the resource
Binding: ValueSet for SDHR Resource Tags (preferred)
Observation.contained 0..0 Contained, inline Resources
Observation.Slices for extension 1..* Extension Extension
Slice: Unordered, Open by value:url
Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Observation.Slices for extension.extension:ClientLastUpdated 1..1 dateTime Client Last Updated
URL: https://fhir-ig.digital.health.nz/sdhr/StructureDefinition/hnz-sdhr-client-last-updated-extension
Observation.modifierExtension 0..0 Extension
Observation.identifier 1..* Identifier A local identifier MUST be added to this section. If used, system MUST be specified.
Observation.identifier.use 0..1 code The local identifier use SHOULD be set to secondary, where the SDHR resource id is considered the primary identifier.
Observation.identifier.system 1..1 uri System for the local identifier. This MUST be consistent per PMS/Health Application
Example Local Identifier System: https://fhir.example.co.nz
Observation.identifier.value 1..1 string The actual local identifier value, e.g. ec2d6cad-1e19-46ee-accf-dc460a680710
Example Local Identifier Value: ec2d6cad-1e19-46ee-accf-dc460a680710
Observation.code 1..1 CodeableConcept Observation code. Note that when the observation is an individual observation (singular) LOINC should be used. If, however, the Observation is a grouping (e.g. vital-signs) the code can be from SNOMED CT e.g. `122869004`. See https://fhir-ig.digital.health.nz/sdhr/Observation-ObservationVitalSignsExample.html for example
Binding: LOINCCodes (preferred)
Observation.code.coding
Observation.code.coding.userSelected 0..1 boolean Indicates that the value has been selected by a system user
Observation.subject 1..1 Reference(Patient) National Health Identifier for the health consumer
Observation.subject.reference C 1..1 string Must be an absolute URL reference to the patient on the NHI system. See constraints for details.
Constraints: nhi-url-format
Observation.subject.type 1..1 uri Type the reference refers to (e.g. "Patient")
Required Pattern: Patient (extensions allowed)
Observation.effective[x] 1..1 dateTime, Period, Timing, instant Date and time/time-period the measurement was obtained
Observation.performer 0..* Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Preferred - an HPI Practitioner URL with format https://api.hip.digital.health.nz/fhir/hpi/v1/Practitioner/11AAAA
Observation.bodySite 0..1 CodeableConcept Code for the body site affected by the problem (if applicable)
Observation.component
Observation.component.code 1..1 CodeableConcept Type of component observation (code / type)
Binding: LOINCCodes (preferred)
Observation.component.code.coding
Observation.component.code.coding.userSelected 0..1 boolean Indicates that the value has been selected by a system user

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
Observation.meta.tag Base preferred ValueSet for SDHR Resource Tags 📦1.1.6 This IG
Observation.code Base preferred LOINC Codes 📦4.0.1 FHIR Std.
Observation.component.​code Base preferred LOINC Codes 📦4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
hpi-location-url-format error Observation.meta.source Reference must be an HPI Location URL with format https://api.hip.digital.health.nz/fhir/hpi/v1/Location/FZZ111-A matches('^https://api.hip.digital.health.nz/fhir/hpi/v1/Location/F[A-Za-z0-9]{2}[0-9]{3}-[A-Za-z0-9]$')
nhi-url-format error Observation.subject.reference Reference must be an NHI Patient URL with format https://api.hip.digital.health.nz/fhir/nhi/v1/Patient/ZZZ1111 or ZZZ11AA matches('^https://api.hip.digital.health.nz/fhir/nhi/v1/Patient/[A-Z]{3}([0-9]{4}|[0-9]{2}[A-Z]{2})$')
value-or-dataabsentreason-required error Observation Observations must have a root or component value[x], or a root or component dataAbsentReason. value.exists() or component.value.exists() or dataAbsentReason.exists() or component.dataAbsentReason.exists()

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: doco
Observation C 0..* Observation Measurements and simple assertions
Constraints: obs-6, obs-7, value-or-dataabsentreason-required
Observation.id This element is included in summaries. 0..1 id Logical id of this artifact
Observation.meta This element is included in summaries. 1..1 Meta Metadata about the resource
Observation.meta.id 0..1 string Unique id for inter-element referencing
Observation.meta.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Observation.meta.versionId This element is included in summaries. 0..1 id Version specific identifier
Observation.meta.lastUpdated This element is included in summaries. 0..1 instant When the resource version last changed
Observation.meta.source This element is included in summaries. C 1..1 uri Captures the source of the record - please see description for details
Constraints: hpi-location-url-format
Observation.meta.profile This element is included in summaries. 1..1 canonical(StructureDefinition) Profiles this resource claims to conform to
Observation.meta.security This element is included in summaries. 0..* Coding Security Labels applied to this resource
Binding: All Security Labels (extensible): Security Labels from the Healthcare Privacy and Security Classification System.
Observation.meta.tag This element is included in summaries. 0..* Coding Tag the resource with a code to indicate usability components of the resource
Binding: ValueSet for SDHR Resource Tags (preferred)
Observation.implicitRules This element is a modifier element. This element is included in summaries. 0..1 uri A set of rules under which this content was created
Observation.language 0..1 code Language of the resource content
Binding: CommonLanguages (preferred): A human language.
Additional BindingsPurpose
AllLanguages Max Binding
Observation.text 0..1 Narrative Text summary of the resource, for human interpretation
This profile does not constrain the narrative in regard to content, language, or traceability to data elements
Observation.Slices for extension 1..* Extension Extension
Slice: Unordered, Open by value:url

Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Observation.Slices for extension.extension:ClientLastUpdated 1..1 dateTime Client Last Updated
URL: https://fhir-ig.digital.health.nz/sdhr/StructureDefinition/hnz-sdhr-client-last-updated-extension
Observation.identifier This element is included in summaries. 1..* Identifier A local identifier MUST be added to this section. If used, system MUST be specified.
Observation.identifier.id 0..1 string Unique id for inter-element referencing
Observation.identifier.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Observation.identifier.use This element is a modifier element. This element is included in summaries. 0..1 code The local identifier use SHOULD be set to secondary, where the SDHR resource id is considered the primary identifier.
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
Observation.identifier.type This element is included in summaries. 0..1 CodeableConcept Description of identifier
Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
Observation.identifier.system This element is included in summaries. 1..1 uri System for the local identifier. This MUST be consistent per PMS/Health Application
Example General: http://www.acme.com/identifiers/patient
Example Local Identifier System: https://fhir.example.co.nz
Observation.identifier.value This element is included in summaries. 1..1 string The actual local identifier value, e.g. ec2d6cad-1e19-46ee-accf-dc460a680710
Example General: 123456
Example Local Identifier Value: ec2d6cad-1e19-46ee-accf-dc460a680710
Observation.identifier.period This element is included in summaries. 0..1 Period Time period when id is/was valid for use
Observation.identifier.assigner This element is included in summaries. 0..1 Reference(Organization) Organization that issued id (may be just text)
Observation.basedOn This element is included in summaries. 0..* Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) Fulfills plan, proposal or order
Observation.partOf This element is included in summaries. 0..* Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) Part of referenced event
Observation.status This element is a modifier element. This element is included in summaries. 1..1 code registered | preliminary | final | amended +
Binding: ObservationStatus (required): Codes providing the status of an observation.
Observation.category 0..* CodeableConcept Classification of type of observation
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
Observation.code This element is included in summaries. 1..1 CodeableConcept Observation code. Note that when the observation is an individual observation (singular) LOINC should be used. If, however, the Observation is a grouping (e.g. vital-signs) the code can be from SNOMED CT e.g. `122869004`. See https://fhir-ig.digital.health.nz/sdhr/Observation-ObservationVitalSignsExample.html for example
Binding: LOINCCodes (preferred)
Observation.code.id 0..1 string Unique id for inter-element referencing
Observation.code.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Observation.code.coding This element is included in summaries. 0..* Coding Code defined by a terminology system
Observation.code.coding.id 0..1 string Unique id for inter-element referencing
Observation.code.coding.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Observation.code.coding.system This element is included in summaries. 0..1 uri Identity of the terminology system
Observation.code.coding.version This element is included in summaries. 0..1 string Version of the system - if relevant
Observation.code.coding.code This element is included in summaries. 0..1 code Symbol in syntax defined by the system
Observation.code.coding.display This element is included in summaries. 0..1 string Representation defined by the system
Observation.code.coding.userSelected This element is included in summaries. 0..1 boolean Indicates that the value has been selected by a system user
Observation.code.text This element is included in summaries. 0..1 string Plain text representation of the concept
Observation.subject This element is included in summaries. 1..1 Reference(Patient) National Health Identifier for the health consumer
Observation.subject.id 0..1 string Unique id for inter-element referencing
Observation.subject.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Observation.subject.reference This element is included in summaries. C 1..1 string Must be an absolute URL reference to the patient on the NHI system. See constraints for details.
Constraints: nhi-url-format
Observation.subject.type This element is included in summaries. 1..1 uri Type the reference refers to (e.g. "Patient")
Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
Required Pattern: Patient (extensions allowed)
Observation.subject.identifier This element is included in summaries. 0..1 Identifier Logical reference, when literal reference is not known
Observation.subject.display This element is included in summaries. 0..1 string Text alternative for the resource
Observation.focus This element is included in summaries. 0..* Reference(Resource) What the observation is about, when it is not about the subject of record
Observation.encounter This element is included in summaries. 0..1 Reference(Encounter) Healthcare event during which this observation is made
Observation.effective[x] This element is included in summaries. 1..1 Date and time/time-period the measurement was obtained
Observation.effective[x].effectiveDateTime dateTime
Observation.effective[x].effectivePeriod Period
Observation.effective[x].effectiveTiming Timing
Observation.effective[x].effectiveInstant instant
Observation.issued This element is included in summaries. 0..1 instant Date/Time this version was made available
Observation.performer This element is included in summaries. 0..* Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Preferred - an HPI Practitioner URL with format https://api.hip.digital.health.nz/fhir/hpi/v1/Practitioner/11AAAA
Observation.value[x] This element is included in summaries. C 0..1 Actual result
Observation.value[x].valueQuantity Quantity
Observation.value[x].valueCodeableConcept CodeableConcept
Observation.value[x].valueString string
Observation.value[x].valueBoolean boolean
Observation.value[x].valueInteger integer
Observation.value[x].valueRange Range
Observation.value[x].valueRatio Ratio
Observation.value[x].valueSampledData SampledData
Observation.value[x].valueTime time
Observation.value[x].valueDateTime dateTime
Observation.value[x].valuePeriod Period
Observation.dataAbsentReason C 0..1 CodeableConcept Why the result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
Observation.interpretation 0..* CodeableConcept High, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
Observation.note 0..* Annotation Comments about the observation
Observation.bodySite 0..1 CodeableConcept Code for the body site affected by the problem (if applicable)
Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
Observation.method 0..1 CodeableConcept How it was done
Binding: ObservationMethods (example): Methods for simple observations.
Observation.specimen 0..1 Reference(Specimen) Specimen used for this observation
Observation.device 0..1 Reference(Device | DeviceMetric) (Measurement) Device
Observation.referenceRange C 0..* BackboneElement Provides guide for interpretation
Constraints: obs-3
Observation.referenceRange.id 0..1 string Unique id for inter-element referencing
Observation.referenceRange.extension 0..* Extension Additional content defined by implementations
Observation.referenceRange.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored even if unrecognized
Observation.referenceRange.low C 0..1 SimpleQuantity(4.0.1) Low Range, if relevant
Constraints: sqty-1
Observation.referenceRange.high C 0..1 SimpleQuantity(4.0.1) High Range, if relevant
Constraints: sqty-1
Observation.referenceRange.type 0..1 CodeableConcept Reference range qualifier
Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.
Observation.referenceRange.appliesTo 0..* CodeableConcept Reference range population
Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.
Observation.referenceRange.age 0..1 Range Applicable age range, if relevant
Observation.referenceRange.text 0..1 string Text based reference range in an observation
Observation.hasMember This element is included in summaries. 0..* Reference(Observation | QuestionnaireResponse | MolecularSequence) Related resource that belongs to the Observation group
Observation.derivedFrom This element is included in summaries. 0..* Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence) Related measurements the observation is made from
Observation.component This element is included in summaries. 0..* BackboneElement Component results
Observation.component.id 0..1 string Unique id for inter-element referencing
Observation.component.extension 0..* Extension Additional content defined by implementations
Observation.component.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored even if unrecognized
Observation.component.code This element is included in summaries. 1..1 CodeableConcept Type of component observation (code / type)
Binding: LOINCCodes (preferred)
Observation.component.code.id 0..1 string Unique id for inter-element referencing
Observation.component.code.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Observation.component.code.coding This element is included in summaries. 0..* Coding Code defined by a terminology system
Observation.component.code.coding.id 0..1 string Unique id for inter-element referencing
Observation.component.code.coding.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Observation.component.code.coding.system This element is included in summaries. 0..1 uri Identity of the terminology system
Observation.component.code.coding.version This element is included in summaries. 0..1 string Version of the system - if relevant
Observation.component.code.coding.code This element is included in summaries. 0..1 code Symbol in syntax defined by the system
Observation.component.code.coding.display This element is included in summaries. 0..1 string Representation defined by the system
Observation.component.code.coding.userSelected This element is included in summaries. 0..1 boolean Indicates that the value has been selected by a system user
Observation.component.code.text This element is included in summaries. 0..1 string Plain text representation of the concept
Observation.component.value[x] This element is included in summaries. 0..1 Actual component result
Observation.component.value[x].valueQuantity Quantity
Observation.component.value[x].valueCodeableConcept CodeableConcept
Observation.component.value[x].valueString string
Observation.component.value[x].valueBoolean boolean
Observation.component.value[x].valueInteger integer
Observation.component.value[x].valueRange Range
Observation.component.value[x].valueRatio Ratio
Observation.component.value[x].valueSampledData SampledData
Observation.component.value[x].valueTime time
Observation.component.value[x].valueDateTime dateTime
Observation.component.value[x].valuePeriod Period
Observation.component.dataAbsentReason C 0..1 CodeableConcept Why the component result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
Observation.component.interpretation 0..* CodeableConcept High, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
Observation.component.referenceRange 0..* See referenceRange (Observation) Provides guide for interpretation of component result

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.meta.security Base extensible SecurityLabels 📍4.0.1 FHIR Std.
Observation.meta.tag Base preferred ValueSet for SDHR Resource Tags 📦1.1.6 This IG
Observation.language Base preferred Common Languages 📍4.0.1 FHIR Std.
Observation.identifier.​use Base required IdentifierUse 📍4.0.1 FHIR Std.
Observation.identifier.​type Base extensible IdentifierType 📍4.0.1 FHIR Std.
Observation.status Base required ObservationStatus 📍4.0.1 FHIR Std.
Observation.category Base preferred Observation Category Codes 📍4.0.1 FHIR Std.
Observation.code Base preferred LOINC Codes 📦4.0.1 FHIR Std.
Observation.subject.​type Base extensible ResourceType 📍4.0.1 FHIR Std.
Observation.dataAbsentReason Base extensible DataAbsentReason 📍4.0.1 FHIR Std.
Observation.interpretation Base extensible Observation Interpretation Codes 📍4.0.1 FHIR Std.
Observation.bodySite Base example SNOMED CT Body Structures 📍4.0.1 FHIR Std.
Observation.method Base example Observation Methods 📍4.0.1 FHIR Std.
Observation.referenceRange.​type Base preferred Observation Reference Range Meaning Codes 📍4.0.1 FHIR Std.
Observation.referenceRange.​appliesTo Base example Observation Reference Range Applies To Codes 📍4.0.1 FHIR Std.
Observation.component.​code Base preferred LOINC Codes 📦4.0.1 FHIR Std.
Observation.component.​dataAbsentReason Base extensible DataAbsentReason 📍4.0.1 FHIR Std.
Observation.component.​interpretation Base extensible Observation Interpretation Codes 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
dom-2 error Observation If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Observation If 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-4 error Observation If 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-5 error Observation If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Observation A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()
hpi-location-url-format error Observation.meta.source Reference must be an HPI Location URL with format https://api.hip.digital.health.nz/fhir/hpi/v1/Location/FZZ111-A matches('^https://api.hip.digital.health.nz/fhir/hpi/v1/Location/F[A-Za-z0-9]{2}[0-9]{3}-[A-Za-z0-9]$')
nhi-url-format error Observation.subject.reference Reference must be an NHI Patient URL with format https://api.hip.digital.health.nz/fhir/nhi/v1/Patient/ZZZ1111 or ZZZ11AA matches('^https://api.hip.digital.health.nz/fhir/nhi/v1/Patient/[A-Z]{3}([0-9]{4}|[0-9]{2}[A-Z]{2})$')
obs-3 error Observation.referenceRange Must have at least a low or a high or text low.exists() or high.exists() or text.exists()
obs-6 error Observation dataAbsentReason SHALL only be present if Observation.value[x] is not present dataAbsentReason.empty() or value.empty()
obs-7 error Observation If 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()
sqty-1 error Observation.referenceRange.low, Observation.referenceRange.high The comparator is not used on a SimpleQuantity comparator.empty()
value-or-dataabsentreason-required error Observation Observations must have a root or component value[x], or a root or component dataAbsentReason. value.exists() or component.value.exists() or dataAbsentReason.exists() or component.dataAbsentReason.exists()

This structure is derived from Observation

Summary

Mandatory: 12 elements
Prohibited: 2 elements

Extensions

This structure refers to these extensions:

 

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