Kenya Lab Order Implementation Guide
0.1.0 - ci-build

Kenya Lab Order Implementation Guide, published by IntelliSOFT Consulting. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/IntelliSOFT-Consulting/Kenya-LabOrder-IG/ and changes regularly. See the Directory of published versions

Resource Profile: Kenya Lab Result Observation

Official URL: http://example.org/StructureDefinition/kenya-lab-result-observation Version: 0.1.0
Draft as of 2025-12-18 Computable Name: KenyaLabResultObservation

Kenya lab result profile. Represents an atomic lab result used in DiagnosticReport.result.

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, kenya-labobs-value-or-absent
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... basedOn SΣ 0..* Reference(ServiceRequest) Fulfills plan, proposal or order
... code SΣ 1..1 CodeableConcept Type of observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.
.... coding SΣ 1..* Coding Code defined by a terminology system
..... system SΣ 1..1 uri Identity of the terminology system
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
.... text SΣ 0..1 string Plain text representation of the concept
... subject SΣ 1..1 Reference(Patient) Who and/or what the observation is about
... Slices for effective[x] SΣ 1..1 Clinically relevant time/time-period for observation
Slice: Unordered, Open by type:$this
.... effectiveDateTime dateTime
.... effectivePeriod Period
.... effectiveTiming Timing
.... effectiveInstant instant
.... effective[x]:effectiveDateTime SΣ 0..1 dateTime Clinically relevant time/time-period for observation
.... effective[x]:effectivePeriod SΣ 0..1 Period Clinically relevant time/time-period for observation
... value[x] SΣC 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 SC 0..1 CodeableConcept Why the result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
.... coding SΣ 1..* Coding Code defined by a terminology system
..... system SΣ 1..1 uri Identity of the terminology system
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
.... text SΣ 0..1 string Plain text representation of the concept
... interpretation S 0..* CodeableConcept High, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
.... coding SΣ 1..* Coding Code defined by a terminology system
..... system SΣ 1..1 uri Identity of the terminology system
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
.... text SΣ 0..1 string Plain text representation of the concept
... bodySite S 0..1 CodeableConcept Observed body part
Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
.... coding SΣ 1..* Coding Code defined by a terminology system
..... system SΣ 1..1 uri Identity of the terminology system
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
.... text SΣ 0..1 string Plain text representation of the concept
... method S 0..1 CodeableConcept How it was done
Binding: ObservationMethods (example): Methods for simple observations.
.... coding SΣ 1..* Coding Code defined by a terminology system
..... system SΣ 1..1 uri Identity of the terminology system
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
.... text SΣ 0..1 string Plain text representation of the concept
... specimen S 0..1 Reference(Kenya Lab Specimen) Specimen used for this observation
... referenceRange SC 0..* BackboneElement Provides guide for interpretation
Constraints: obs-3
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
... component SΣ 0..* BackboneElement Component results
.... 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 (example): Codes identifying names of simple observations.

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.status Base required ObservationStatus 📍4.0.1 FHIR Std.
Observation.code Base example LOINC Codes 📍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.component.​code Base example LOINC 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()
kenya-labobs-value-or-absent error Observation Observation must have value[x] or dataAbsentReason, but not both. (value.exists() and dataAbsentReason.empty()) or (value.empty() and dataAbsentReason.exists())
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

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* Observation Measurements and simple assertions
Constraints: kenya-labobs-value-or-absent
... basedOn S 0..* Reference(ServiceRequest) Fulfills plan, proposal or order
... status S 1..1 code registered | preliminary | final | amended +
... code S 1..1 CodeableConcept Type of observation (code / type)
.... coding S 1..* Coding Code defined by a terminology system
..... system S 1..1 uri Identity of the terminology system
..... code S 1..1 code Symbol in syntax defined by the system
..... display S 0..1 string Representation defined by the system
.... text S 0..1 string Plain text representation of the concept
... Slices for effective[x] S 1..1 dateTime, Period, Timing, instant Clinically relevant time/time-period for observation
Slice: Unordered, Open by type:$this
.... effective[x]:effectiveDateTime S 0..1 dateTime Clinically relevant time/time-period for observation
.... effective[x]:effectivePeriod S 0..1 Period Clinically relevant time/time-period for observation
... value[x] S 0..1 Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period Actual result
... dataAbsentReason S 0..1 CodeableConcept Why the result is missing
.... coding S 1..* Coding Code defined by a terminology system
..... system S 1..1 uri Identity of the terminology system
..... code S 1..1 code Symbol in syntax defined by the system
..... display S 0..1 string Representation defined by the system
.... text S 0..1 string Plain text representation of the concept
... interpretation S 0..* CodeableConcept High, low, normal, etc.
.... coding S 1..* Coding Code defined by a terminology system
..... system S 1..1 uri Identity of the terminology system
..... code S 1..1 code Symbol in syntax defined by the system
..... display S 0..1 string Representation defined by the system
.... text S 0..1 string Plain text representation of the concept
... bodySite S 0..1 CodeableConcept Observed body part
.... coding S 1..* Coding Code defined by a terminology system
..... system S 1..1 uri Identity of the terminology system
..... code S 1..1 code Symbol in syntax defined by the system
..... display S 0..1 string Representation defined by the system
.... text S 0..1 string Plain text representation of the concept
... method S 0..1 CodeableConcept How it was done
.... coding S 1..* Coding Code defined by a terminology system
..... system S 1..1 uri Identity of the terminology system
..... code S 1..1 code Symbol in syntax defined by the system
..... display S 0..1 string Representation defined by the system
.... text S 0..1 string Plain text representation of the concept
... specimen S 0..1 Reference(Kenya Lab Specimen) Specimen used for this observation
... referenceRange S 0..* BackboneElement Provides guide for interpretation
... component S 0..* BackboneElement Component results

doco Documentation for this format

Constraints

Id Grade Path(s) Description Expression
kenya-labobs-value-or-absent error Observation Observation must have value[x] or dataAbsentReason, but not both. (value.exists() and dataAbsentReason.empty()) or (value.empty() and dataAbsentReason.exists())
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* Observation Measurements and simple assertions
Constraints: obs-6, obs-7, kenya-labobs-value-or-absent
... id Σ 0..1 id Logical id of this artifact
... meta Σ 0..1 Meta Metadata about the resource
... 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
... contained 0..* Resource Contained, inline Resources
... extension 0..* Extension Additional content defined by implementations
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... identifier Σ 0..* Identifier Business Identifier for observation
... basedOn SΣ 0..* Reference(ServiceRequest) Fulfills plan, proposal or order
... partOf Σ 0..* Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) Part of referenced event
... status ?!SΣ 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 SΣ 1..1 CodeableConcept Type of observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.
.... 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 SΣ 1..* 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 SΣ 1..1 uri Identity of the terminology system
..... version Σ 0..1 string Version of the system - if relevant
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
..... userSelected Σ 0..1 boolean If this coding was chosen directly by the user
.... text SΣ 0..1 string Plain text representation of the concept
... subject SΣ 1..1 Reference(Patient) Who and/or what the observation is about
... 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
... Slices for effective[x] SΣ 1..1 Clinically relevant time/time-period for observation
Slice: Unordered, Open by type:$this
.... effectiveDateTime dateTime
.... effectivePeriod Period
.... effectiveTiming Timing
.... effectiveInstant instant
.... effective[x]:effectiveDateTime SΣ 0..1 dateTime Clinically relevant time/time-period for observation
.... effective[x]:effectivePeriod SΣ 0..1 Period Clinically relevant time/time-period for observation
... issued Σ 0..1 instant Date/Time this version was made available
... performer Σ 0..* Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Who is responsible for the observation
... value[x] SΣC 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 SC 0..1 CodeableConcept Why the result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
.... 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 SΣ 1..* 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 SΣ 1..1 uri Identity of the terminology system
..... version Σ 0..1 string Version of the system - if relevant
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
..... userSelected Σ 0..1 boolean If this coding was chosen directly by the user
.... text SΣ 0..1 string Plain text representation of the concept
... interpretation S 0..* CodeableConcept High, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
.... 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 SΣ 1..* 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 SΣ 1..1 uri Identity of the terminology system
..... version Σ 0..1 string Version of the system - if relevant
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
..... userSelected Σ 0..1 boolean If this coding was chosen directly by the user
.... text SΣ 0..1 string Plain text representation of the concept
... note 0..* Annotation Comments about the observation
... bodySite S 0..1 CodeableConcept Observed body part
Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
.... 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 SΣ 1..* 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 SΣ 1..1 uri Identity of the terminology system
..... version Σ 0..1 string Version of the system - if relevant
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
..... userSelected Σ 0..1 boolean If this coding was chosen directly by the user
.... text SΣ 0..1 string Plain text representation of the concept
... method S 0..1 CodeableConcept How it was done
Binding: ObservationMethods (example): Methods for simple observations.
.... 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 SΣ 1..* 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 SΣ 1..1 uri Identity of the terminology system
..... version Σ 0..1 string Version of the system - if relevant
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
..... userSelected Σ 0..1 boolean If this coding was chosen directly by the user
.... text SΣ 0..1 string Plain text representation of the concept
... specimen S 0..1 Reference(Kenya Lab Specimen) Specimen used for this observation
... device 0..1 Reference(Device | DeviceMetric) (Measurement) Device
... referenceRange SC 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 SΣ 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 (example): Codes identifying names of simple observations.
.... 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.language Base preferred Common Languages 📍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 example LOINC Codes 📍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 example 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()
kenya-labobs-value-or-absent error Observation Observation must have value[x] or dataAbsentReason, but not both. (value.exists() and dataAbsentReason.empty()) or (value.empty() and dataAbsentReason.exists())
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: 5 elements(12 nested mandatory elements)
Must-Support: 40 elements

Structures

This structure refers to these other structures:

Slices

This structure defines the following Slices:

  • The element 1 is sliced based on the value of Observation.effective[x]

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* Observation Measurements and simple assertions
Constraints: obs-6, obs-7, kenya-labobs-value-or-absent
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... basedOn SΣ 0..* Reference(ServiceRequest) Fulfills plan, proposal or order
... code SΣ 1..1 CodeableConcept Type of observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.
.... coding SΣ 1..* Coding Code defined by a terminology system
..... system SΣ 1..1 uri Identity of the terminology system
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
.... text SΣ 0..1 string Plain text representation of the concept
... subject SΣ 1..1 Reference(Patient) Who and/or what the observation is about
... Slices for effective[x] SΣ 1..1 Clinically relevant time/time-period for observation
Slice: Unordered, Open by type:$this
.... effectiveDateTime dateTime
.... effectivePeriod Period
.... effectiveTiming Timing
.... effectiveInstant instant
.... effective[x]:effectiveDateTime SΣ 0..1 dateTime Clinically relevant time/time-period for observation
.... effective[x]:effectivePeriod SΣ 0..1 Period Clinically relevant time/time-period for observation
... value[x] SΣC 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 SC 0..1 CodeableConcept Why the result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
.... coding SΣ 1..* Coding Code defined by a terminology system
..... system SΣ 1..1 uri Identity of the terminology system
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
.... text SΣ 0..1 string Plain text representation of the concept
... interpretation S 0..* CodeableConcept High, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
.... coding SΣ 1..* Coding Code defined by a terminology system
..... system SΣ 1..1 uri Identity of the terminology system
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
.... text SΣ 0..1 string Plain text representation of the concept
... bodySite S 0..1 CodeableConcept Observed body part
Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
.... coding SΣ 1..* Coding Code defined by a terminology system
..... system SΣ 1..1 uri Identity of the terminology system
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
.... text SΣ 0..1 string Plain text representation of the concept
... method S 0..1 CodeableConcept How it was done
Binding: ObservationMethods (example): Methods for simple observations.
.... coding SΣ 1..* Coding Code defined by a terminology system
..... system SΣ 1..1 uri Identity of the terminology system
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
.... text SΣ 0..1 string Plain text representation of the concept
... specimen S 0..1 Reference(Kenya Lab Specimen) Specimen used for this observation
... referenceRange SC 0..* BackboneElement Provides guide for interpretation
Constraints: obs-3
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
... component SΣ 0..* BackboneElement Component results
.... 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 (example): Codes identifying names of simple observations.

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Observation.status Base required ObservationStatus 📍4.0.1 FHIR Std.
Observation.code Base example LOINC Codes 📍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.component.​code Base example LOINC 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()
kenya-labobs-value-or-absent error Observation Observation must have value[x] or dataAbsentReason, but not both. (value.exists() and dataAbsentReason.empty()) or (value.empty() and dataAbsentReason.exists())
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()

Differential View

This structure is derived from Observation

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* Observation Measurements and simple assertions
Constraints: kenya-labobs-value-or-absent
... basedOn S 0..* Reference(ServiceRequest) Fulfills plan, proposal or order
... status S 1..1 code registered | preliminary | final | amended +
... code S 1..1 CodeableConcept Type of observation (code / type)
.... coding S 1..* Coding Code defined by a terminology system
..... system S 1..1 uri Identity of the terminology system
..... code S 1..1 code Symbol in syntax defined by the system
..... display S 0..1 string Representation defined by the system
.... text S 0..1 string Plain text representation of the concept
... Slices for effective[x] S 1..1 dateTime, Period, Timing, instant Clinically relevant time/time-period for observation
Slice: Unordered, Open by type:$this
.... effective[x]:effectiveDateTime S 0..1 dateTime Clinically relevant time/time-period for observation
.... effective[x]:effectivePeriod S 0..1 Period Clinically relevant time/time-period for observation
... value[x] S 0..1 Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period Actual result
... dataAbsentReason S 0..1 CodeableConcept Why the result is missing
.... coding S 1..* Coding Code defined by a terminology system
..... system S 1..1 uri Identity of the terminology system
..... code S 1..1 code Symbol in syntax defined by the system
..... display S 0..1 string Representation defined by the system
.... text S 0..1 string Plain text representation of the concept
... interpretation S 0..* CodeableConcept High, low, normal, etc.
.... coding S 1..* Coding Code defined by a terminology system
..... system S 1..1 uri Identity of the terminology system
..... code S 1..1 code Symbol in syntax defined by the system
..... display S 0..1 string Representation defined by the system
.... text S 0..1 string Plain text representation of the concept
... bodySite S 0..1 CodeableConcept Observed body part
.... coding S 1..* Coding Code defined by a terminology system
..... system S 1..1 uri Identity of the terminology system
..... code S 1..1 code Symbol in syntax defined by the system
..... display S 0..1 string Representation defined by the system
.... text S 0..1 string Plain text representation of the concept
... method S 0..1 CodeableConcept How it was done
.... coding S 1..* Coding Code defined by a terminology system
..... system S 1..1 uri Identity of the terminology system
..... code S 1..1 code Symbol in syntax defined by the system
..... display S 0..1 string Representation defined by the system
.... text S 0..1 string Plain text representation of the concept
... specimen S 0..1 Reference(Kenya Lab Specimen) Specimen used for this observation
... referenceRange S 0..* BackboneElement Provides guide for interpretation
... component S 0..* BackboneElement Component results

doco Documentation for this format

Constraints

Id Grade Path(s) Description Expression
kenya-labobs-value-or-absent error Observation Observation must have value[x] or dataAbsentReason, but not both. (value.exists() and dataAbsentReason.empty()) or (value.empty() and dataAbsentReason.exists())

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Observation C 0..* Observation Measurements and simple assertions
Constraints: obs-6, obs-7, kenya-labobs-value-or-absent
... id Σ 0..1 id Logical id of this artifact
... meta Σ 0..1 Meta Metadata about the resource
... 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
... contained 0..* Resource Contained, inline Resources
... extension 0..* Extension Additional content defined by implementations
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... identifier Σ 0..* Identifier Business Identifier for observation
... basedOn SΣ 0..* Reference(ServiceRequest) Fulfills plan, proposal or order
... partOf Σ 0..* Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) Part of referenced event
... status ?!SΣ 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 SΣ 1..1 CodeableConcept Type of observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.
.... 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 SΣ 1..* 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 SΣ 1..1 uri Identity of the terminology system
..... version Σ 0..1 string Version of the system - if relevant
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
..... userSelected Σ 0..1 boolean If this coding was chosen directly by the user
.... text SΣ 0..1 string Plain text representation of the concept
... subject SΣ 1..1 Reference(Patient) Who and/or what the observation is about
... 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
... Slices for effective[x] SΣ 1..1 Clinically relevant time/time-period for observation
Slice: Unordered, Open by type:$this
.... effectiveDateTime dateTime
.... effectivePeriod Period
.... effectiveTiming Timing
.... effectiveInstant instant
.... effective[x]:effectiveDateTime SΣ 0..1 dateTime Clinically relevant time/time-period for observation
.... effective[x]:effectivePeriod SΣ 0..1 Period Clinically relevant time/time-period for observation
... issued Σ 0..1 instant Date/Time this version was made available
... performer Σ 0..* Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Who is responsible for the observation
... value[x] SΣC 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 SC 0..1 CodeableConcept Why the result is missing
Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
.... 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 SΣ 1..* 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 SΣ 1..1 uri Identity of the terminology system
..... version Σ 0..1 string Version of the system - if relevant
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
..... userSelected Σ 0..1 boolean If this coding was chosen directly by the user
.... text SΣ 0..1 string Plain text representation of the concept
... interpretation S 0..* CodeableConcept High, low, normal, etc.
Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
.... 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 SΣ 1..* 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 SΣ 1..1 uri Identity of the terminology system
..... version Σ 0..1 string Version of the system - if relevant
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
..... userSelected Σ 0..1 boolean If this coding was chosen directly by the user
.... text SΣ 0..1 string Plain text representation of the concept
... note 0..* Annotation Comments about the observation
... bodySite S 0..1 CodeableConcept Observed body part
Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
.... 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 SΣ 1..* 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 SΣ 1..1 uri Identity of the terminology system
..... version Σ 0..1 string Version of the system - if relevant
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
..... userSelected Σ 0..1 boolean If this coding was chosen directly by the user
.... text SΣ 0..1 string Plain text representation of the concept
... method S 0..1 CodeableConcept How it was done
Binding: ObservationMethods (example): Methods for simple observations.
.... 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 SΣ 1..* 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 SΣ 1..1 uri Identity of the terminology system
..... version Σ 0..1 string Version of the system - if relevant
..... code SΣ 1..1 code Symbol in syntax defined by the system
..... display SΣ 0..1 string Representation defined by the system
..... userSelected Σ 0..1 boolean If this coding was chosen directly by the user
.... text SΣ 0..1 string Plain text representation of the concept
... specimen S 0..1 Reference(Kenya Lab Specimen) Specimen used for this observation
... device 0..1 Reference(Device | DeviceMetric) (Measurement) Device
... referenceRange SC 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 SΣ 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 (example): Codes identifying names of simple observations.
.... 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.language Base preferred Common Languages 📍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 example LOINC Codes 📍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 example 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()
kenya-labobs-value-or-absent error Observation Observation must have value[x] or dataAbsentReason, but not both. (value.exists() and dataAbsentReason.empty()) or (value.empty() and dataAbsentReason.exists())
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: 5 elements(12 nested mandatory elements)
Must-Support: 40 elements

Structures

This structure refers to these other structures:

Slices

This structure defines the following Slices:

  • The element 1 is sliced based on the value of Observation.effective[x]

 

Other representations of profile: CSV, Excel, Schematron