CH Core (R4), published by HL7 Switzerland. This guide is not an authorized publication; it is the continuous build for version 5.0.0-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-core/ and changes regularly. See the Directory of published versions

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Data Type Profile: CH EMED Ratio with EMED Units

A ratio with defined units

Usage:

• Use this DataType Constraint: CH Core Medication and CH Core MedicationAdministration

Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots and how the different presentations work.

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

This structure is derived from Ratio

Name	Flags	Card.	Type	Description & Constraints
Ratio			Ratio
numerator		1..1	CHCoreQuantityWithEmedUnits	A fixed quantity (no comparator)
denominator		1..1	CHCoreQuantityWithEmedUnits	A fixed quantity (no comparator)
Documentation for this format

Name	Flags	Card.	Type	Description & Constraints
Ratio	C	0..*	Ratio	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
numerator	C	1..1	CHCoreQuantityWithEmedUnits	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	CHCoreQuantityWithEmedUnits	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())
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()

Name	Flags	Card.	Type	Description & Constraints
Ratio	C	0..*	Ratio	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		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
numerator	C	1..1	CHCoreQuantityWithEmedUnits	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	CHCoreQuantityWithEmedUnits	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 Ratio

Summary

Mandatory: 2 elements

Structures

This structure refers to these other structures:

• CH Core Quantity with EMED Units (http://fhir.ch/ig/ch-core/StructureDefinition/ch-core-quantity-with-emed-units)

Differential View

This structure is derived from Ratio

Name	Flags	Card.	Type	Description & Constraints
Ratio			Ratio
numerator		1..1	CHCoreQuantityWithEmedUnits	A fixed quantity (no comparator)
denominator		1..1	CHCoreQuantityWithEmedUnits	A fixed quantity (no comparator)
Documentation for this format

Key Elements View

Name	Flags	Card.	Type	Description & Constraints
Ratio	C	0..*	Ratio	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
numerator	C	1..1	CHCoreQuantityWithEmedUnits	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	CHCoreQuantityWithEmedUnits	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())
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()

Snapshot View

Name	Flags	Card.	Type	Description & Constraints
Ratio	C	0..*	Ratio	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		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
numerator	C	1..1	CHCoreQuantityWithEmedUnits	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	CHCoreQuantityWithEmedUnits	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 Ratio

Summary

Mandatory: 2 elements

Structures

This structure refers to these other structures:

• CH Core Quantity with EMED Units (http://fhir.ch/ig/ch-core/StructureDefinition/ch-core-quantity-with-emed-units)

Other representations of profile: CSV, Excel, Schematron