NZ Shared Digital Health Record API
1.0.0 - 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 1.0.0 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: 1.0.0
Active as of 2025-11-18 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: Filtersdoco
.. Observation C 0..* Observation Measurements and simple assertions
Constraints: obs-6, obs-7
... meta Σ 1..1 Meta Metadata about the resource
.... source ΣC 1..1 uri Captures the source of the record - please see description for details
Constraints: hpi-location-url-format
.... profile Σ 1..1 canonical(StructureDefinition) Profiles this resource claims to conform to
.... tag Σ 0..* Coding Tag the resource with a code to indicate usability components of the resource
Binding: ValueSet for SDHR Resource Tags (preferred)
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... Slices for extension 0..* Extension Extension
Slice: Unordered, Open by value:url
.... extension:ClientLastUpdated 0..1 dateTime Client Last Updated
URL: https://fhir-ig.digital.health.nz/sdhr/StructureDefinition/hnz-sdhr-client-last-updated-extension
.... use ?!Σ 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 .
.... system Σ 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
.... value Σ 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
... status ?!Σ 1..1 code registered | preliminary | final | amended +
Binding: ObservationStatus (required): Codes providing the status of an observation.
... code Σ 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)
... subject Σ 1..1 Reference(Patient) Who and/or what the observation is about
.... reference ΣC 1..1 string Must be an absolute URL reference to the patient on the NHI system. See constraints for details.
Constraints: nhi-url-format
.... type Σ 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
... effective[x] Σ 1..1 Clinically relevant time/time-period for observation
.... effectiveDateTime dateTime
.... effectivePeriod Period
.... effectiveTiming Timing
.... effectiveInstant instant
... performer Σ 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

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.meta.tag Base preferred ValueSet for SDHR Resource Tags 📦1.0.0 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.

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()

This structure is derived from Observation

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation 0..* Observation Measurements and simple assertions
... meta 1..1 Meta Metadata about the resource
.... source C 1..1 uri Captures the source of the record - please see description for details
Constraints: hpi-location-url-format
.... profile 1..1 canonical(StructureDefinition) Profiles this resource claims to conform to
.... tag 0..* Coding Tag the resource with a code to indicate usability components of the resource
Binding: ValueSet for SDHR Resource Tags (preferred)
... contained 0..0 Contained, inline Resources
... Slices for extension 0..* Extension Extension
Slice: Unordered, Open by value:url
.... extension:ClientLastUpdated 0..1 dateTime Client Last Updated
URL: https://fhir-ig.digital.health.nz/sdhr/StructureDefinition/hnz-sdhr-client-last-updated-extension
... identifier 1..* Identifier A local identifier MUST be added to this section. If used, system MUST be specified.
.... use 0..1 code The local identifier use SHOULD be set to secondary, where the SDHR resource id is considered the primary 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
.... 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
... 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)
.... coding
..... userSelected 0..1 boolean Indicates that the value has been selected by a system user
... subject 1..1 Reference(Patient) Who and/or what the observation is about
.... 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
.... type 1..1 uri Type the reference refers to (e.g. "Patient")
Required Pattern: Patient
... effective[x] 1..1 dateTime, Period, Timing, instant Clinically relevant time/time-period for 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
... component
.... code 1..1 CodeableConcept Type of component observation (code / type)
Binding: LOINCCodes (preferred)
..... 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 📦1.0.0 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]$')
nhi-url-format error Observation.subject.reference Reference must be an NHI Patient URL with format https://api.hip.digital.health.nz/fhir/nhi/v1/Patient/ZZZ1111 or ZZZ11AA matches('^https://api.hip.digital.health.nz/fhir/nhi/v1/Patient/[A-Z]{3}([0-9]{4}|[0-9]{2}[A-Z]{2})$')
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* Observation Measurements and simple assertions
Constraints: obs-6, obs-7
... id Σ 0..1 id Logical id of this artifact
... meta Σ 1..1 Meta Metadata about the resource
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... versionId Σ 0..1 id Version specific identifier
.... lastUpdated Σ 0..1 instant When the resource version last changed
.... source ΣC 1..1 uri Captures the source of the record - please see description for details
Constraints: hpi-location-url-format
.... profile Σ 1..1 canonical(StructureDefinition) Profiles this resource claims to conform to
.... security Σ 0..* Coding Security Labels applied to this resource
Binding: All Security Labels (extensible): Security Labels from the Healthcare Privacy and Security Classification System.
.... tag Σ 0..* Coding Tag the resource with a code to indicate usability components of the resource
Binding: ValueSet for SDHR Resource Tags (preferred)
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... language 0..1 code Language of the resource content
Binding: CommonLanguages (preferred): A human language.
Additional BindingsPurpose
AllLanguages Max Binding
... 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
... Slices for extension 0..* Extension Extension
Slice: Unordered, Open by value:url
.... extension:ClientLastUpdated 0..1 dateTime Client Last Updated
URL: https://fhir-ig.digital.health.nz/sdhr/StructureDefinition/hnz-sdhr-client-last-updated-extension
... identifier Σ 1..* Identifier A local identifier MUST be added to this section. If used, system MUST be specified.
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... use ?!Σ 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 .
.... type Σ 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.
.... system Σ 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
.... value Σ 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
.... period Σ 0..1 Period Time period when id is/was valid for use
.... assigner Σ 0..1 Reference(Organization) Organization that issued id (may be just text)
... basedOn Σ 0..* Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) Fulfills plan, proposal or order
... partOf Σ 0..* Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) Part of referenced event
... status ?!Σ 1..1 code registered | preliminary | final | amended +
Binding: ObservationStatus (required): Codes providing the status of an observation.
... category 0..* CodeableConcept Classification of type of observation
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
... code Σ 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)
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... coding Σ 0..* Coding Code defined by a terminology system
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
..... system Σ 0..1 uri Identity of the terminology system
..... version Σ 0..1 string Version of the system - if relevant
..... code Σ 0..1 code Symbol in syntax defined by the system
..... display Σ 0..1 string Representation defined by the system
..... userSelected Σ 0..1 boolean Indicates that the value has been selected by a system user
.... text Σ 0..1 string Plain text representation of the concept
... subject Σ 1..1 Reference(Patient) Who and/or what the observation is about
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... reference ΣC 1..1 string Must be an absolute URL reference to the patient on the NHI system. See constraints for details.
Constraints: nhi-url-format
.... type Σ 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
.... identifier Σ 0..1 Identifier Logical reference, when literal reference is not known
.... display Σ 0..1 string Text alternative for the resource
... focus Σ 0..* Reference(Resource) What the observation is about, when it is not about the subject of record
... encounter Σ 0..1 Reference(Encounter) Healthcare event during which this observation is made
... effective[x] Σ 1..1 Clinically relevant time/time-period for observation
.... effectiveDateTime dateTime
.... effectivePeriod Period
.... effectiveTiming Timing
.... effectiveInstant instant
... issued Σ 0..1 instant Date/Time this version was made available
... performer Σ 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
... value[x] ΣC 0..1 Actual result
.... valueQuantity Quantity
.... valueCodeableConcept CodeableConcept
.... valueString string
.... valueBoolean boolean
.... valueInteger integer
.... valueRange Range
.... valueRatio Ratio
.... valueSampledData SampledData
.... valueTime time
.... valueDateTime dateTime
.... valuePeriod Period
... dataAbsentReason C 0..1 CodeableConcept Why the result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
... interpretation 0..* CodeableConcept High, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
... note 0..* Annotation Comments about the observation
... bodySite 0..1 CodeableConcept Observed body part
Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
... method 0..1 CodeableConcept How it was done
Binding: ObservationMethods (example): Methods for simple observations.
... specimen 0..1 Reference(Specimen) Specimen used for this observation
... device 0..1 Reference(Device | DeviceMetric) (Measurement) Device
... referenceRange C 0..* BackboneElement Provides guide for interpretation
Constraints: obs-3
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... low C 0..1 SimpleQuantity(4.0.1) Low Range, if relevant
.... high C 0..1 SimpleQuantity(4.0.1) High Range, if relevant
.... type 0..1 CodeableConcept Reference range qualifier
Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.
.... appliesTo 0..* CodeableConcept Reference range population
Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.
.... age 0..1 Range Applicable age range, if relevant
.... text 0..1 string Text based reference range in an observation
... hasMember Σ 0..* Reference(Observation | QuestionnaireResponse | MolecularSequence) Related resource that belongs to the Observation group
... derivedFrom Σ 0..* Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence) Related measurements the observation is made from
... component Σ 0..* BackboneElement Component results
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... code Σ 1..1 CodeableConcept Type of component observation (code / type)
Binding: LOINCCodes (preferred)
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
..... coding Σ 0..* Coding Code defined by a terminology system
...... id 0..1 string Unique id for inter-element referencing
...... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
...... system Σ 0..1 uri Identity of the terminology system
...... version Σ 0..1 string Version of the system - if relevant
...... code Σ 0..1 code Symbol in syntax defined by the system
...... display Σ 0..1 string Representation defined by the system
...... userSelected Σ 0..1 boolean Indicates that the value has been selected by a system user
..... text Σ 0..1 string Plain text representation of the concept
.... value[x] Σ 0..1 Actual component result
..... valueQuantity Quantity
..... valueCodeableConcept CodeableConcept
..... valueString string
..... valueBoolean boolean
..... valueInteger integer
..... valueRange Range
..... valueRatio Ratio
..... valueSampledData SampledData
..... valueTime time
..... valueDateTime dateTime
..... valuePeriod Period
.... dataAbsentReason C 0..1 CodeableConcept Why the component result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
.... interpretation 0..* CodeableConcept High, 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

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 📦1.0.0 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()

This structure is derived from Observation

Summary

Mandatory: 10 elements
Prohibited: 2 elements

Extensions

This structure refers to these extensions:

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* Observation Measurements and simple assertions
Constraints: obs-6, obs-7
... meta Σ 1..1 Meta Metadata about the resource
.... source ΣC 1..1 uri Captures the source of the record - please see description for details
Constraints: hpi-location-url-format
.... profile Σ 1..1 canonical(StructureDefinition) Profiles this resource claims to conform to
.... tag Σ 0..* Coding Tag the resource with a code to indicate usability components of the resource
Binding: ValueSet for SDHR Resource Tags (preferred)
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... Slices for extension 0..* Extension Extension
Slice: Unordered, Open by value:url
.... extension:ClientLastUpdated 0..1 dateTime Client Last Updated
URL: https://fhir-ig.digital.health.nz/sdhr/StructureDefinition/hnz-sdhr-client-last-updated-extension
.... use ?!Σ 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 .
.... system Σ 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
.... value Σ 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
... status ?!Σ 1..1 code registered | preliminary | final | amended +
Binding: ObservationStatus (required): Codes providing the status of an observation.
... code Σ 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)
... subject Σ 1..1 Reference(Patient) Who and/or what the observation is about
.... reference ΣC 1..1 string Must be an absolute URL reference to the patient on the NHI system. See constraints for details.
Constraints: nhi-url-format
.... type Σ 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
... effective[x] Σ 1..1 Clinically relevant time/time-period for observation
.... effectiveDateTime dateTime
.... effectivePeriod Period
.... effectiveTiming Timing
.... effectiveInstant instant
... performer Σ 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

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.meta.tag Base preferred ValueSet for SDHR Resource Tags 📦1.0.0 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.

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()

Differential View

This structure is derived from Observation

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation 0..* Observation Measurements and simple assertions
... meta 1..1 Meta Metadata about the resource
.... source C 1..1 uri Captures the source of the record - please see description for details
Constraints: hpi-location-url-format
.... profile 1..1 canonical(StructureDefinition) Profiles this resource claims to conform to
.... tag 0..* Coding Tag the resource with a code to indicate usability components of the resource
Binding: ValueSet for SDHR Resource Tags (preferred)
... contained 0..0 Contained, inline Resources
... Slices for extension 0..* Extension Extension
Slice: Unordered, Open by value:url
.... extension:ClientLastUpdated 0..1 dateTime Client Last Updated
URL: https://fhir-ig.digital.health.nz/sdhr/StructureDefinition/hnz-sdhr-client-last-updated-extension
... identifier 1..* Identifier A local identifier MUST be added to this section. If used, system MUST be specified.
.... use 0..1 code The local identifier use SHOULD be set to secondary, where the SDHR resource id is considered the primary 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
.... 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
... 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)
.... coding
..... userSelected 0..1 boolean Indicates that the value has been selected by a system user
... subject 1..1 Reference(Patient) Who and/or what the observation is about
.... 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
.... type 1..1 uri Type the reference refers to (e.g. "Patient")
Required Pattern: Patient
... effective[x] 1..1 dateTime, Period, Timing, instant Clinically relevant time/time-period for 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
... component
.... code 1..1 CodeableConcept Type of component observation (code / type)
Binding: LOINCCodes (preferred)
..... 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 📦1.0.0 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]$')
nhi-url-format error Observation.subject.reference Reference must be an NHI Patient URL with format https://api.hip.digital.health.nz/fhir/nhi/v1/Patient/ZZZ1111 or ZZZ11AA matches('^https://api.hip.digital.health.nz/fhir/nhi/v1/Patient/[A-Z]{3}([0-9]{4}|[0-9]{2}[A-Z]{2})$')

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* Observation Measurements and simple assertions
Constraints: obs-6, obs-7
... id Σ 0..1 id Logical id of this artifact
... meta Σ 1..1 Meta Metadata about the resource
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... versionId Σ 0..1 id Version specific identifier
.... lastUpdated Σ 0..1 instant When the resource version last changed
.... source ΣC 1..1 uri Captures the source of the record - please see description for details
Constraints: hpi-location-url-format
.... profile Σ 1..1 canonical(StructureDefinition) Profiles this resource claims to conform to
.... security Σ 0..* Coding Security Labels applied to this resource
Binding: All Security Labels (extensible): Security Labels from the Healthcare Privacy and Security Classification System.
.... tag Σ 0..* Coding Tag the resource with a code to indicate usability components of the resource
Binding: ValueSet for SDHR Resource Tags (preferred)
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... language 0..1 code Language of the resource content
Binding: CommonLanguages (preferred): A human language.
Additional BindingsPurpose
AllLanguages Max Binding
... 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
... Slices for extension 0..* Extension Extension
Slice: Unordered, Open by value:url
.... extension:ClientLastUpdated 0..1 dateTime Client Last Updated
URL: https://fhir-ig.digital.health.nz/sdhr/StructureDefinition/hnz-sdhr-client-last-updated-extension
... identifier Σ 1..* Identifier A local identifier MUST be added to this section. If used, system MUST be specified.
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... use ?!Σ 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 .
.... type Σ 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.
.... system Σ 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
.... value Σ 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
.... period Σ 0..1 Period Time period when id is/was valid for use
.... assigner Σ 0..1 Reference(Organization) Organization that issued id (may be just text)
... basedOn Σ 0..* Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) Fulfills plan, proposal or order
... partOf Σ 0..* Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) Part of referenced event
... status ?!Σ 1..1 code registered | preliminary | final | amended +
Binding: ObservationStatus (required): Codes providing the status of an observation.
... category 0..* CodeableConcept Classification of type of observation
Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
... code Σ 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)
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... coding Σ 0..* Coding Code defined by a terminology system
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
..... system Σ 0..1 uri Identity of the terminology system
..... version Σ 0..1 string Version of the system - if relevant
..... code Σ 0..1 code Symbol in syntax defined by the system
..... display Σ 0..1 string Representation defined by the system
..... userSelected Σ 0..1 boolean Indicates that the value has been selected by a system user
.... text Σ 0..1 string Plain text representation of the concept
... subject Σ 1..1 Reference(Patient) Who and/or what the observation is about
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... reference ΣC 1..1 string Must be an absolute URL reference to the patient on the NHI system. See constraints for details.
Constraints: nhi-url-format
.... type Σ 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
.... identifier Σ 0..1 Identifier Logical reference, when literal reference is not known
.... display Σ 0..1 string Text alternative for the resource
... focus Σ 0..* Reference(Resource) What the observation is about, when it is not about the subject of record
... encounter Σ 0..1 Reference(Encounter) Healthcare event during which this observation is made
... effective[x] Σ 1..1 Clinically relevant time/time-period for observation
.... effectiveDateTime dateTime
.... effectivePeriod Period
.... effectiveTiming Timing
.... effectiveInstant instant
... issued Σ 0..1 instant Date/Time this version was made available
... performer Σ 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
... value[x] ΣC 0..1 Actual result
.... valueQuantity Quantity
.... valueCodeableConcept CodeableConcept
.... valueString string
.... valueBoolean boolean
.... valueInteger integer
.... valueRange Range
.... valueRatio Ratio
.... valueSampledData SampledData
.... valueTime time
.... valueDateTime dateTime
.... valuePeriod Period
... dataAbsentReason C 0..1 CodeableConcept Why the result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
... interpretation 0..* CodeableConcept High, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
... note 0..* Annotation Comments about the observation
... bodySite 0..1 CodeableConcept Observed body part
Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
... method 0..1 CodeableConcept How it was done
Binding: ObservationMethods (example): Methods for simple observations.
... specimen 0..1 Reference(Specimen) Specimen used for this observation
... device 0..1 Reference(Device | DeviceMetric) (Measurement) Device
... referenceRange C 0..* BackboneElement Provides guide for interpretation
Constraints: obs-3
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... low C 0..1 SimpleQuantity(4.0.1) Low Range, if relevant
.... high C 0..1 SimpleQuantity(4.0.1) High Range, if relevant
.... type 0..1 CodeableConcept Reference range qualifier
Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.
.... appliesTo 0..* CodeableConcept Reference range population
Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.
.... age 0..1 Range Applicable age range, if relevant
.... text 0..1 string Text based reference range in an observation
... hasMember Σ 0..* Reference(Observation | QuestionnaireResponse | MolecularSequence) Related resource that belongs to the Observation group
... derivedFrom Σ 0..* Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence) Related measurements the observation is made from
... component Σ 0..* BackboneElement Component results
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... code Σ 1..1 CodeableConcept Type of component observation (code / type)
Binding: LOINCCodes (preferred)
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
..... coding Σ 0..* Coding Code defined by a terminology system
...... id 0..1 string Unique id for inter-element referencing
...... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
...... system Σ 0..1 uri Identity of the terminology system
...... version Σ 0..1 string Version of the system - if relevant
...... code Σ 0..1 code Symbol in syntax defined by the system
...... display Σ 0..1 string Representation defined by the system
...... userSelected Σ 0..1 boolean Indicates that the value has been selected by a system user
..... text Σ 0..1 string Plain text representation of the concept
.... value[x] Σ 0..1 Actual component result
..... valueQuantity Quantity
..... valueCodeableConcept CodeableConcept
..... valueString string
..... valueBoolean boolean
..... valueInteger integer
..... valueRange Range
..... valueRatio Ratio
..... valueSampledData SampledData
..... valueTime time
..... valueDateTime dateTime
..... valuePeriod Period
.... dataAbsentReason C 0..1 CodeableConcept Why the component result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
.... interpretation 0..* CodeableConcept High, 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

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 📦1.0.0 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()

This structure is derived from Observation

Summary

Mandatory: 10 elements
Prohibited: 2 elements

Extensions

This structure refers to these extensions:

 

Other representations of profile: CSV, Excel, Schematron