CH LAB-Order (R4)
3.0.0-ci-build - ci-build Switzerland flag

CH LAB-Order (R4), published by HL7 Switzerland. This guide is not an authorized publication; it is the continuous build for version 3.0.0-ci-build built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/hl7ch/ch-lab-order/ and changes regularly. See the Directory of published versions

Resource Profile: CH LAB-Order Observation Definition (R4 compatible)

Official URL: http://fhir.ch/ig/ch-lab-order/StructureDefinition/ch-lab-observationdefinition-r4 Version: 3.0.0-ci-build
Active as of 2025-10-28 Computable Name: ChLab_ObservationDefinitionR4

Copyright/Legal: CC0-1.0

Definition of a laboratory analyte or observation type for use in the CH Lab Order IG (FHIR R4).

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
.. ObservationDefinition 0..* ObservationDefinition Definition of an observation
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... code Σ 1..1 CodeableConcept Type of observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.
.... Slices for coding Σ 0..* Coding Code defined by a terminology system
Slice: Unordered, Open by value:system
..... coding:LOINC Σ 0..1 Coding Code defined by a terminology system
...... system Σ 1..1 uri Identity of the terminology system
Fixed Value: http://loinc.org
... multipleResultsAllowed S 0..1 boolean Multiple results allowed
Example General: true

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
ObservationDefinition.​code Base example LOINC Codes 📍4.0.1 FHIR Std.
ObservationDefinition.​permittedDataType Base required ObservationDataType 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
dom-2 error ObservationDefinition If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error ObservationDefinition 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 ObservationDefinition 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 ObservationDefinition If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice ObservationDefinition 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()

This structure is derived from ObservationDefinition

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. ObservationDefinition 0..* ObservationDefinition Definition of an observation
... code
.... Slices for coding 0..* Coding Code defined by a terminology system
Slice: Unordered, Open by value:system
..... coding:LOINC 0..1 Coding Code defined by a terminology system
...... system 1..1 uri Identity of the terminology system
Fixed Value: http://loinc.org
... permittedDataType S 0..* code Quantity | CodeableConcept | string | boolean | integer | Range | Ratio | SampledData | time | dateTime | Period
... multipleResultsAllowed S 0..1 boolean Multiple results allowed

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. ObservationDefinition 0..* ObservationDefinition Definition of an observation
... 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
... 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
... category Σ 0..* CodeableConcept Category of observation
Binding: ObservationCategoryCodes (example): Codes for high level observation categories.
... code Σ 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
.... Slices for coding Σ 0..* Coding Code defined by a terminology system
Slice: Unordered, Open by value:system
..... coding:LOINC Σ 0..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 Σ 1..1 uri Identity of the terminology system
Fixed Value: http://loinc.org
...... 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 If this coding was chosen directly by the user
.... text Σ 0..1 string Plain text representation of the concept
... identifier Σ 0..* Identifier Business identifier for this ObservationDefinition instance
... permittedDataType S 0..* code Quantity | CodeableConcept | string | boolean | integer | Range | Ratio | SampledData | time | dateTime | Period
Binding: ObservationDataType (required): Permitted data type for observation value.

Example General: CodeableConcept
... multipleResultsAllowed S 0..1 boolean Multiple results allowed
Example General: true
... method 0..1 CodeableConcept Method used to produce the observation
Binding: ObservationMethods (example): Methods for simple observations.
... preferredReportName 0..1 string Preferred report name
... quantitativeDetails 0..1 BackboneElement Characteristics of quantitative 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
.... customaryUnit 0..1 CodeableConcept Customary unit for quantitative results
Binding: UCUMCodes (extensible): Codes identifying units of measure.
.... unit 0..1 CodeableConcept SI unit for quantitative results
Binding: UCUMCodes (extensible): Codes identifying units of measure.
.... conversionFactor 0..1 decimal SI to Customary unit conversion factor
.... decimalPrecision 0..1 integer Decimal precision of observation quantitative results
... qualifiedInterval 0..* BackboneElement Qualified range for continuous and ordinal observation 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
.... category 0..1 code reference | critical | absolute
Binding: ObservationRangeCategory (required): Codes identifying the category of observation range.
Example General: critical
.... range 0..1 Range The interval itself, for continuous or ordinal observations
.... context 0..1 CodeableConcept Range context qualifier
Binding: ObservationReferenceRangeMeaningCodes (extensible): Code identifying the health context of a range.
.... appliesTo 0..* CodeableConcept Targetted population of the range
Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.
.... gender 0..1 code male | female | other | unknown
Binding: AdministrativeGender (required): The gender of a person used for administrative purposes.
Example General: female
.... age 0..1 Range Applicable age range, if relevant
.... gestationalAge 0..1 Range Applicable gestational age range, if relevant
.... condition 0..1 string Condition associated with the reference range
... validCodedValueSet 0..1 Reference(ValueSet) Value set of valid coded values for the observations conforming to this ObservationDefinition
... normalCodedValueSet 0..1 Reference(ValueSet) Value set of normal coded values for the observations conforming to this ObservationDefinition
... abnormalCodedValueSet 0..1 Reference(ValueSet) Value set of abnormal coded values for the observations conforming to this ObservationDefinition
... criticalCodedValueSet 0..1 Reference(ValueSet) Value set of critical coded values for the observations conforming to this ObservationDefinition

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
ObservationDefinition.​language Base preferred Common Languages 📍4.0.1 FHIR Std.
ObservationDefinition.​category Base example Observation Category Codes 📍4.0.1 FHIR Std.
ObservationDefinition.​code Base example LOINC Codes 📍4.0.1 FHIR Std.
ObservationDefinition.​permittedDataType Base required ObservationDataType 📍4.0.1 FHIR Std.
ObservationDefinition.​method Base example Observation Methods 📍4.0.1 FHIR Std.
ObservationDefinition.​quantitativeDetails.​customaryUnit Base extensible UCUM Codes 📍4.0.1 FHIR Std.
ObservationDefinition.​quantitativeDetails.​unit Base extensible UCUM Codes 📍4.0.1 FHIR Std.
ObservationDefinition.​qualifiedInterval.category Base required ObservationRangeCategory 📍4.0.1 FHIR Std.
ObservationDefinition.​qualifiedInterval.context Base extensible Observation Reference Range Meaning Codes 📍4.0.1 FHIR Std.
ObservationDefinition.​qualifiedInterval.appliesTo Base example Observation Reference Range Applies To Codes 📍4.0.1 FHIR Std.
ObservationDefinition.​qualifiedInterval.gender Base required AdministrativeGender 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
dom-2 error ObservationDefinition If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error ObservationDefinition 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 ObservationDefinition 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 ObservationDefinition If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice ObservationDefinition 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()

This structure is derived from ObservationDefinition

Summary

Mandatory: 0 element(1 nested mandatory element)
Must-Support: 2 elements
Fixed: 1 element

Slices

This structure defines the following Slices:

  • The element 1 is sliced based on the value of ObservationDefinition.code.coding

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. ObservationDefinition 0..* ObservationDefinition Definition of an observation
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... code Σ 1..1 CodeableConcept Type of observation (code / type)
Binding: LOINCCodes (example): Codes identifying names of simple observations.
.... Slices for coding Σ 0..* Coding Code defined by a terminology system
Slice: Unordered, Open by value:system
..... coding:LOINC Σ 0..1 Coding Code defined by a terminology system
...... system Σ 1..1 uri Identity of the terminology system
Fixed Value: http://loinc.org
... multipleResultsAllowed S 0..1 boolean Multiple results allowed
Example General: true

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
ObservationDefinition.​code Base example LOINC Codes 📍4.0.1 FHIR Std.
ObservationDefinition.​permittedDataType Base required ObservationDataType 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
dom-2 error ObservationDefinition If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error ObservationDefinition 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 ObservationDefinition 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 ObservationDefinition If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice ObservationDefinition 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()

Differential View

This structure is derived from ObservationDefinition

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. ObservationDefinition 0..* ObservationDefinition Definition of an observation
... code
.... Slices for coding 0..* Coding Code defined by a terminology system
Slice: Unordered, Open by value:system
..... coding:LOINC 0..1 Coding Code defined by a terminology system
...... system 1..1 uri Identity of the terminology system
Fixed Value: http://loinc.org
... permittedDataType S 0..* code Quantity | CodeableConcept | string | boolean | integer | Range | Ratio | SampledData | time | dateTime | Period
... multipleResultsAllowed S 0..1 boolean Multiple results allowed

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. ObservationDefinition 0..* ObservationDefinition Definition of an observation
... 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
... 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
... category Σ 0..* CodeableConcept Category of observation
Binding: ObservationCategoryCodes (example): Codes for high level observation categories.
... code Σ 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
.... Slices for coding Σ 0..* Coding Code defined by a terminology system
Slice: Unordered, Open by value:system
..... coding:LOINC Σ 0..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 Σ 1..1 uri Identity of the terminology system
Fixed Value: http://loinc.org
...... 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 If this coding was chosen directly by the user
.... text Σ 0..1 string Plain text representation of the concept
... identifier Σ 0..* Identifier Business identifier for this ObservationDefinition instance
... permittedDataType S 0..* code Quantity | CodeableConcept | string | boolean | integer | Range | Ratio | SampledData | time | dateTime | Period
Binding: ObservationDataType (required): Permitted data type for observation value.

Example General: CodeableConcept
... multipleResultsAllowed S 0..1 boolean Multiple results allowed
Example General: true
... method 0..1 CodeableConcept Method used to produce the observation
Binding: ObservationMethods (example): Methods for simple observations.
... preferredReportName 0..1 string Preferred report name
... quantitativeDetails 0..1 BackboneElement Characteristics of quantitative 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
.... customaryUnit 0..1 CodeableConcept Customary unit for quantitative results
Binding: UCUMCodes (extensible): Codes identifying units of measure.
.... unit 0..1 CodeableConcept SI unit for quantitative results
Binding: UCUMCodes (extensible): Codes identifying units of measure.
.... conversionFactor 0..1 decimal SI to Customary unit conversion factor
.... decimalPrecision 0..1 integer Decimal precision of observation quantitative results
... qualifiedInterval 0..* BackboneElement Qualified range for continuous and ordinal observation 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
.... category 0..1 code reference | critical | absolute
Binding: ObservationRangeCategory (required): Codes identifying the category of observation range.
Example General: critical
.... range 0..1 Range The interval itself, for continuous or ordinal observations
.... context 0..1 CodeableConcept Range context qualifier
Binding: ObservationReferenceRangeMeaningCodes (extensible): Code identifying the health context of a range.
.... appliesTo 0..* CodeableConcept Targetted population of the range
Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.
.... gender 0..1 code male | female | other | unknown
Binding: AdministrativeGender (required): The gender of a person used for administrative purposes.
Example General: female
.... age 0..1 Range Applicable age range, if relevant
.... gestationalAge 0..1 Range Applicable gestational age range, if relevant
.... condition 0..1 string Condition associated with the reference range
... validCodedValueSet 0..1 Reference(ValueSet) Value set of valid coded values for the observations conforming to this ObservationDefinition
... normalCodedValueSet 0..1 Reference(ValueSet) Value set of normal coded values for the observations conforming to this ObservationDefinition
... abnormalCodedValueSet 0..1 Reference(ValueSet) Value set of abnormal coded values for the observations conforming to this ObservationDefinition
... criticalCodedValueSet 0..1 Reference(ValueSet) Value set of critical coded values for the observations conforming to this ObservationDefinition

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
ObservationDefinition.​language Base preferred Common Languages 📍4.0.1 FHIR Std.
ObservationDefinition.​category Base example Observation Category Codes 📍4.0.1 FHIR Std.
ObservationDefinition.​code Base example LOINC Codes 📍4.0.1 FHIR Std.
ObservationDefinition.​permittedDataType Base required ObservationDataType 📍4.0.1 FHIR Std.
ObservationDefinition.​method Base example Observation Methods 📍4.0.1 FHIR Std.
ObservationDefinition.​quantitativeDetails.​customaryUnit Base extensible UCUM Codes 📍4.0.1 FHIR Std.
ObservationDefinition.​quantitativeDetails.​unit Base extensible UCUM Codes 📍4.0.1 FHIR Std.
ObservationDefinition.​qualifiedInterval.category Base required ObservationRangeCategory 📍4.0.1 FHIR Std.
ObservationDefinition.​qualifiedInterval.context Base extensible Observation Reference Range Meaning Codes 📍4.0.1 FHIR Std.
ObservationDefinition.​qualifiedInterval.appliesTo Base example Observation Reference Range Applies To Codes 📍4.0.1 FHIR Std.
ObservationDefinition.​qualifiedInterval.gender Base required AdministrativeGender 📍4.0.1 FHIR Std.

Constraints

Id Grade Path(s) Description Expression
dom-2 error ObservationDefinition If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error ObservationDefinition 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 ObservationDefinition 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 ObservationDefinition If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice ObservationDefinition 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()

This structure is derived from ObservationDefinition

Summary

Mandatory: 0 element(1 nested mandatory element)
Must-Support: 2 elements
Fixed: 1 element

Slices

This structure defines the following Slices:

  • The element 1 is sliced based on the value of ObservationDefinition.code.coding

 

Other representations of profile: CSV, Excel, Schematron