This page is part of the FHIR eMedication exchange formats for the implementation effort of CARA within its EPR community (v2.0.0: STU2) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version. For a full list of available versions, see the Directory of published versions

• Content
• Detailed Descriptions
• Mappings
• XML
• JSON

Data Type Profile: Ratio (Amount / Amount)

A ratio of amount per amount

Usage:

• This DataType Constraint is not used by any profiles in this Implementation Guide

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..*	CHCoreRatioWithEmedUnits	A ratio of two Quantity values - a numerator and a denominator 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
id	D	0..1	string	✕ This element is not supported
extension	D	0..*	Extension	✕ This element is not supported Slice: Unordered, Open by value:url ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
numerator	C	1..1	CHEMEDEPRAmountQuantity	A fixed quantity (no comparator) ele-1: All FHIR elements must have a @value or children qty-3: If a code for the unit is present, the system SHALL also be present sqty-1: The comparator is not used on a SimpleQuantity
denominator	C	1..1	CHEMEDEPRAmountQuantity	A fixed quantity (no comparator) ele-1: All FHIR elements must have a @value or children qty-3: If a code for the unit is present, the system SHALL also be present sqty-1: The comparator is not used on a SimpleQuantity
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()
qty-3	error	Ratio.numerator, Ratio.denominator	If a code for the unit is present, the system SHALL also be present : code.empty() or system.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())
sqty-1	error	Ratio.numerator, Ratio.denominator	The comparator is not used on a SimpleQuantity : comparator.empty()

This structure is derived from CHCoreRatioWithEmedUnits

Name	Flags	Card.	Type	Description & Constraints
Ratio		0..*	CHCoreRatioWithEmedUnits	A ratio of two Quantity values - a numerator and a denominator
id	D	0..1	string	✕ This element is not supported
extension	D	0..*	Extension	✕ This element is not supported
numerator		1..1	CHEMEDEPRAmountQuantity	A fixed quantity (no comparator)
denominator		1..1	CHEMEDEPRAmountQuantity	A fixed quantity (no comparator)
Documentation for this format

Name	Flags	Card.	Type	Description & Constraints
Ratio	C	0..*	CHCoreRatioWithEmedUnits	A ratio of two Quantity values - a numerator and a denominator rat-1: Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present
id	D	0..1	string	✕ This element is not supported
extension	D	0..*	Extension	✕ This element is not supported Slice: Unordered, Open by value:url
numerator	C	1..1	CHEMEDEPRAmountQuantity	A fixed quantity (no comparator) qty-3: If a code for the unit is present, the system SHALL also be present sqty-1: The comparator is not used on a SimpleQuantity
denominator	C	1..1	CHEMEDEPRAmountQuantity	A fixed quantity (no comparator) qty-3: If a code for the unit is present, the system SHALL also be present sqty-1: The comparator is not used on a SimpleQuantity
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()
qty-3	error	Ratio.numerator, Ratio.denominator	If a code for the unit is present, the system SHALL also be present : code.empty() or system.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())
sqty-1	error	Ratio.numerator, Ratio.denominator	The comparator is not used on a SimpleQuantity : comparator.empty()

This structure is derived from CHCoreRatioWithEmedUnits

Summary

Structures

This structure refers to these other structures:

• Amount Quantity (http://fhir.ch/ig/ch-emed-epr/StructureDefinition/ch-emed-epr-amount-quantity)

Key Elements View

Name	Flags	Card.	Type	Description & Constraints
Ratio	C	0..*	CHCoreRatioWithEmedUnits	A ratio of two Quantity values - a numerator and a denominator 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
id	D	0..1	string	✕ This element is not supported
extension	D	0..*	Extension	✕ This element is not supported Slice: Unordered, Open by value:url ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
numerator	C	1..1	CHEMEDEPRAmountQuantity	A fixed quantity (no comparator) ele-1: All FHIR elements must have a @value or children qty-3: If a code for the unit is present, the system SHALL also be present sqty-1: The comparator is not used on a SimpleQuantity
denominator	C	1..1	CHEMEDEPRAmountQuantity	A fixed quantity (no comparator) ele-1: All FHIR elements must have a @value or children qty-3: If a code for the unit is present, the system SHALL also be present sqty-1: The comparator is not used on a SimpleQuantity
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()
qty-3	error	Ratio.numerator, Ratio.denominator	If a code for the unit is present, the system SHALL also be present : code.empty() or system.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())
sqty-1	error	Ratio.numerator, Ratio.denominator	The comparator is not used on a SimpleQuantity : comparator.empty()

Differential View

This structure is derived from CHCoreRatioWithEmedUnits

Name	Flags	Card.	Type	Description & Constraints
Ratio		0..*	CHCoreRatioWithEmedUnits	A ratio of two Quantity values - a numerator and a denominator
id	D	0..1	string	✕ This element is not supported
extension	D	0..*	Extension	✕ This element is not supported
numerator		1..1	CHEMEDEPRAmountQuantity	A fixed quantity (no comparator)
denominator		1..1	CHEMEDEPRAmountQuantity	A fixed quantity (no comparator)
Documentation for this format

Snapshot View

Name	Flags	Card.	Type	Description & Constraints
Ratio	C	0..*	CHCoreRatioWithEmedUnits	A ratio of two Quantity values - a numerator and a denominator rat-1: Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present
id	D	0..1	string	✕ This element is not supported
extension	D	0..*	Extension	✕ This element is not supported Slice: Unordered, Open by value:url
numerator	C	1..1	CHEMEDEPRAmountQuantity	A fixed quantity (no comparator) qty-3: If a code for the unit is present, the system SHALL also be present sqty-1: The comparator is not used on a SimpleQuantity
denominator	C	1..1	CHEMEDEPRAmountQuantity	A fixed quantity (no comparator) qty-3: If a code for the unit is present, the system SHALL also be present sqty-1: The comparator is not used on a SimpleQuantity
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()
qty-3	error	Ratio.numerator, Ratio.denominator	If a code for the unit is present, the system SHALL also be present : code.empty() or system.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())
sqty-1	error	Ratio.numerator, Ratio.denominator	The comparator is not used on a SimpleQuantity : comparator.empty()

This structure is derived from CHCoreRatioWithEmedUnits

Summary

Structures

This structure refers to these other structures:

• Amount Quantity (http://fhir.ch/ig/ch-emed-epr/StructureDefinition/ch-emed-epr-amount-quantity)

Other representations of profile: CSV, Excel, Schematron