PROTECT-CHILD Pediatric Transplant Data Implementation Guide, published by Protect Child. This guide is not an authorized publication; it is the continuous build for version 0.1.0-ci-build built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/hl7-eu/protect-child/ and changes regularly. See the Directory of published versions

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Resource Profile: Lab Test

Definition of a laboratory test (catalogue entry), aligned with the lab_test table. Systems SHALL use LOINC codes from LabTestNameVS as the primary code. Local codes from LabTestLocalCS SHALL only be used for calculated values without a single unambiguous LOINC code.

Usages:

• Examples for this Profile: ObservationDefinition/LabTestExample1

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.

• Key Elements Table
• Differential Table
• Snapshot Table
• Statistics/References
• All

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
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	SΣ	1..1	CodeableConcept	name — laboratory test name (LOINC code preferred) Binding: Lab Test Name ValueSet (required)
identifier	SΣ	1..1	Identifier	lab_test_id — laboratory test catalogue identifier
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
system	Σ	1..1	uri	The namespace for the identifier value Fixed Value: https://hl7.eu/fhir/ig/hl7.eu.fhir.protect-child/NamingSystem/lab-test-id
value	Σ	1..1	string	The value that is unique Example General: 123456
quantitativeDetails	S	0..1	BackboneElement	Characteristics of quantitative results
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
unit	S	0..1	CodeableConcept	unit_id — UCUM unit for the test result Binding: UCUMCodes (extensible): Codes identifying units of measure.
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
ObservationDefinition.​code	Base	required	Lab Test Name ValueSet	📦0.1.0-ci-build	This IG
ObservationDefinition.​identifier.use	Base	required	IdentifierUse	📍4.0.1	FHIR Std.
ObservationDefinition.​quantitativeDetails.​unit	Base	extensible	UCUM Codes	📍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

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
ObservationDefinition		0..*	ObservationDefinition	Definition of an observation
code	S	1..1	CodeableConcept	name — laboratory test name (LOINC code preferred) Binding: Lab Test Name ValueSet (required)
identifier	S	1..1	Identifier	lab_test_id — laboratory test catalogue identifier
system		1..1	uri	The namespace for the identifier value Fixed Value: https://hl7.eu/fhir/ig/hl7.eu.fhir.protect-child/NamingSystem/lab-test-id
value		1..1	string	The value that is unique
quantitativeDetails	S	0..1	BackboneElement	Characteristics of quantitative results
unit	S	0..1	CodeableConcept	unit_id — UCUM unit for the test result
Documentation for this format

Terminology Bindings (Differential)

Path	Status	Usage	ValueSet	Version	Source
ObservationDefinition.​code	Base	required	Lab Test Name ValueSet	📦0.1.0-ci-build	This IG

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
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
language		0..1	code	Language of the resource content Binding: CommonLanguages (preferred): A human language. Additional Bindings Purpose 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
category	Σ	0..*	CodeableConcept	Category of observation Binding: ObservationCategoryCodes (example): Codes for high level observation categories.
code	SΣ	1..1	CodeableConcept	name — laboratory test name (LOINC code preferred) Binding: Lab Test Name ValueSet (required)
identifier	SΣ	1..1	Identifier	lab_test_id — laboratory test catalogue identifier
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	usual | official | temp | secondary | old (If known) 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	The namespace for the identifier value Fixed Value: https://hl7.eu/fhir/ig/hl7.eu.fhir.protect-child/NamingSystem/lab-test-id
value	Σ	1..1	string	The value that is unique Example General: 123456
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)
permittedDataType		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		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	S	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	S	0..1	CodeableConcept	unit_id — UCUM unit for the test result 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
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	required	Lab Test Name ValueSet	📦0.1.0-ci-build	This IG
ObservationDefinition.​identifier.use	Base	required	IdentifierUse	📍4.0.1	FHIR Std.
ObservationDefinition.​identifier.type	Base	extensible	IdentifierType	📍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: 3 elements
Must-Support: 4 elements
Fixed: 1 element

Key Elements View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
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	SΣ	1..1	CodeableConcept	name — laboratory test name (LOINC code preferred) Binding: Lab Test Name ValueSet (required)
identifier	SΣ	1..1	Identifier	lab_test_id — laboratory test catalogue identifier
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
system	Σ	1..1	uri	The namespace for the identifier value Fixed Value: https://hl7.eu/fhir/ig/hl7.eu.fhir.protect-child/NamingSystem/lab-test-id
value	Σ	1..1	string	The value that is unique Example General: 123456
quantitativeDetails	S	0..1	BackboneElement	Characteristics of quantitative results
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
unit	S	0..1	CodeableConcept	unit_id — UCUM unit for the test result Binding: UCUMCodes (extensible): Codes identifying units of measure.
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
ObservationDefinition.​code	Base	required	Lab Test Name ValueSet	📦0.1.0-ci-build	This IG
ObservationDefinition.​identifier.use	Base	required	IdentifierUse	📍4.0.1	FHIR Std.
ObservationDefinition.​quantitativeDetails.​unit	Base	extensible	UCUM Codes	📍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

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
ObservationDefinition		0..*	ObservationDefinition	Definition of an observation
code	S	1..1	CodeableConcept	name — laboratory test name (LOINC code preferred) Binding: Lab Test Name ValueSet (required)
identifier	S	1..1	Identifier	lab_test_id — laboratory test catalogue identifier
system		1..1	uri	The namespace for the identifier value Fixed Value: https://hl7.eu/fhir/ig/hl7.eu.fhir.protect-child/NamingSystem/lab-test-id
value		1..1	string	The value that is unique
quantitativeDetails	S	0..1	BackboneElement	Characteristics of quantitative results
unit	S	0..1	CodeableConcept	unit_id — UCUM unit for the test result
Documentation for this format

Terminology Bindings (Differential)

Path	Status	Usage	ValueSet	Version	Source
ObservationDefinition.​code	Base	required	Lab Test Name ValueSet	📦0.1.0-ci-build	This IG

Snapshot View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
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
language		0..1	code	Language of the resource content Binding: CommonLanguages (preferred): A human language. Additional Bindings Purpose 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
category	Σ	0..*	CodeableConcept	Category of observation Binding: ObservationCategoryCodes (example): Codes for high level observation categories.
code	SΣ	1..1	CodeableConcept	name — laboratory test name (LOINC code preferred) Binding: Lab Test Name ValueSet (required)
identifier	SΣ	1..1	Identifier	lab_test_id — laboratory test catalogue identifier
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	usual | official | temp | secondary | old (If known) 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	The namespace for the identifier value Fixed Value: https://hl7.eu/fhir/ig/hl7.eu.fhir.protect-child/NamingSystem/lab-test-id
value	Σ	1..1	string	The value that is unique Example General: 123456
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)
permittedDataType		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		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	S	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	S	0..1	CodeableConcept	unit_id — UCUM unit for the test result 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
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	required	Lab Test Name ValueSet	📦0.1.0-ci-build	This IG
ObservationDefinition.​identifier.use	Base	required	IdentifierUse	📍4.0.1	FHIR Std.
ObservationDefinition.​identifier.type	Base	extensible	IdentifierType	📍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: 3 elements
Must-Support: 4 elements
Fixed: 1 element

Other representations of profile: CSV, Excel, Schematron