HL7 Europe Laboratory Report, published by HL7 Europe. This guide is not an authorized publication; it is the continuous build for version 0.2.0-ci built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/hl7-eu/laboratory/ and changes regularly. See the Directory of published versions

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Data Type Profile: Ratio (Eu Lab)

This profile constrains the Ratio data type to use UCUM as the code system for units and optionally share measurement uncertainty

This profile of the Ratio data type imposes the usage of the UCUM as the code system for units and allows expressing uncertainty of measurement

Usage:

• Use this DataType Constraint: Observation Results: laboratory

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
Ratio	C	0..*	RatioIPS	A measured ratio using UCUM ele-1: All FHIR elements must have a @value or children rat-1: Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present
Slices for extension				Content/Rules for all slices
extension:uncertainty		0..1	decimal	Standard Deviation (same units as the quantity) URL: http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
extension:uncertaintyType		0..1	code	Probability Distribution Type for uncertainty URL: http://hl7.org/fhir/StructureDefinition/iso21090-uncertaintyType Binding: ProbabilityDistributionType (required) ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
numerator	SΣ	0..1	QuantityIPS	Numerator value ele-1: All FHIR elements must have a @value or children
denominator	SΣ	0..1	QuantityIPS	Denominator value ele-1: All FHIR elements must have a @value or children
Documentation for this format

Constraints

Id	Grade	Path(s)	Details	Requirements
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()
rat-1	error	Ratio	Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present : (numerator.empty() xor denominator.exists()) and (numerator.exists() or extension.exists())

This structure is derived from RatioIPS

Name	Flags	Card.	Type	Description & Constraints
Ratio		0..*	RatioIPS	A measured ratio using UCUM
Slices for extension				Content/Rules for all slices
extension:uncertainty		0..1	decimal	Standard Deviation (same units as the quantity) URL: http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty
extension:uncertaintyType		0..1	code	Probability Distribution Type for uncertainty URL: http://hl7.org/fhir/StructureDefinition/iso21090-uncertaintyType Binding: ProbabilityDistributionType (required)
Documentation for this format

Name	Flags	Card.	Type	Description & Constraints
Ratio	C	0..*	RatioIPS	A measured ratio using UCUM rat-1: Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
extension:uncertainty		0..1	decimal	Standard Deviation (same units as the quantity) URL: http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty
extension:uncertaintyType		0..1	code	Probability Distribution Type for uncertainty URL: http://hl7.org/fhir/StructureDefinition/iso21090-uncertaintyType Binding: ProbabilityDistributionType (required)
numerator	SΣ	0..1	QuantityIPS	Numerator value
denominator	SΣ	0..1	QuantityIPS	Denominator value
Documentation for this format

Constraints

Id	Grade	Path(s)	Details	Requirements
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()
rat-1	error	Ratio	Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present : (numerator.empty() xor denominator.exists()) and (numerator.exists() or extension.exists())

This structure is derived from RatioIPS

Summary

Extensions

This structure refers to these extensions:

• http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty
• http://hl7.org/fhir/StructureDefinition/iso21090-uncertaintyType

Key Elements View

Name	Flags	Card.	Type	Description & Constraints
Ratio	C	0..*	RatioIPS	A measured ratio using UCUM ele-1: All FHIR elements must have a @value or children rat-1: Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present
Slices for extension				Content/Rules for all slices
extension:uncertainty		0..1	decimal	Standard Deviation (same units as the quantity) URL: http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
extension:uncertaintyType		0..1	code	Probability Distribution Type for uncertainty URL: http://hl7.org/fhir/StructureDefinition/iso21090-uncertaintyType Binding: ProbabilityDistributionType (required) ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
numerator	SΣ	0..1	QuantityIPS	Numerator value ele-1: All FHIR elements must have a @value or children
denominator	SΣ	0..1	QuantityIPS	Denominator value ele-1: All FHIR elements must have a @value or children
Documentation for this format

Constraints

Id	Grade	Path(s)	Details	Requirements
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()
rat-1	error	Ratio	Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present : (numerator.empty() xor denominator.exists()) and (numerator.exists() or extension.exists())

Differential View

This structure is derived from RatioIPS

Name	Flags	Card.	Type	Description & Constraints
Ratio		0..*	RatioIPS	A measured ratio using UCUM
Slices for extension				Content/Rules for all slices
extension:uncertainty		0..1	decimal	Standard Deviation (same units as the quantity) URL: http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty
extension:uncertaintyType		0..1	code	Probability Distribution Type for uncertainty URL: http://hl7.org/fhir/StructureDefinition/iso21090-uncertaintyType Binding: ProbabilityDistributionType (required)
Documentation for this format

Snapshot View

Name	Flags	Card.	Type	Description & Constraints
Ratio	C	0..*	RatioIPS	A measured ratio using UCUM rat-1: Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present
id		0..1	string	Unique id for inter-element referencing
Slices for extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
extension:uncertainty		0..1	decimal	Standard Deviation (same units as the quantity) URL: http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty
extension:uncertaintyType		0..1	code	Probability Distribution Type for uncertainty URL: http://hl7.org/fhir/StructureDefinition/iso21090-uncertaintyType Binding: ProbabilityDistributionType (required)
numerator	SΣ	0..1	QuantityIPS	Numerator value
denominator	SΣ	0..1	QuantityIPS	Denominator value
Documentation for this format

Constraints

Id	Grade	Path(s)	Details	Requirements
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()
rat-1	error	Ratio	Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present : (numerator.empty() xor denominator.exists()) and (numerator.exists() or extension.exists())

This structure is derived from RatioIPS

Summary

Extensions

This structure refers to these extensions:

• http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty
• http://hl7.org/fhir/StructureDefinition/iso21090-uncertaintyType

Other representations of profile: CSV, Excel, Schematron