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

• Content
• Detailed Descriptions
• Mappings
• XML
• JSON

Data Type Profile: CH Core Quantity with EMED Units

A quantity with defined units

Usage:

• Use this DataType Constraint: CH Core Dosage, CH Core MedicationAdministration, CH Core Range with EMED Units and CH EMED Ratio with EMED Units

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 SimpleQuantity

Name	Flags	Card.	Type	Description & Constraints
Quantity			SimpleQuantity
value		1..1	decimal	Numerical value (with implicit precision)
unit		1..1	string	Unit representation
system		1..1	uri	System that defines coded unit form
code		1..1	code	Coded form of the unit Binding: UnitCode (preferred)
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Quantity.code	preferred	UnitCode http://fhir.ch/ig/ch-term/ValueSet/UnitCode

Name	Flags	Card.	Type	Description & Constraints
Quantity	C	0..*	SimpleQuantity	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
value	Σ	1..1	decimal	Numerical value (with implicit precision)
unit	Σ	1..1	string	Unit representation
system	ΣC	1..1	uri	System that defines coded unit form
code	Σ	1..1	code	Coded form of the unit Binding: UnitCode (preferred)
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Quantity.code	preferred	UnitCode http://fhir.ch/ig/ch-term/ValueSet/UnitCode

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	Quantity	If a code for the unit is present, the system SHALL also be present : code.empty() or system.exists()
sqty-1	error	Quantity	The comparator is not used on a SimpleQuantity : comparator.empty()

Name	Flags	Card.	Type	Description & Constraints
Quantity	C	0..*	SimpleQuantity	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
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
value	Σ	1..1	decimal	Numerical value (with implicit precision)
unit	Σ	1..1	string	Unit representation
system	ΣC	1..1	uri	System that defines coded unit form
code	Σ	1..1	code	Coded form of the unit Binding: UnitCode (preferred)
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Quantity.code	preferred	UnitCode http://fhir.ch/ig/ch-term/ValueSet/UnitCode

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	Quantity	If a code for the unit is present, the system SHALL also be present : code.empty() or system.exists()
sqty-1	error	Quantity	The comparator is not used on a SimpleQuantity : comparator.empty()

This structure is derived from SimpleQuantity

Summary

Mandatory: 4 elements

Differential View

This structure is derived from SimpleQuantity

Name	Flags	Card.	Type	Description & Constraints
Quantity			SimpleQuantity
value		1..1	decimal	Numerical value (with implicit precision)
unit		1..1	string	Unit representation
system		1..1	uri	System that defines coded unit form
code		1..1	code	Coded form of the unit Binding: UnitCode (preferred)
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Quantity.code	preferred	UnitCode http://fhir.ch/ig/ch-term/ValueSet/UnitCode

Key Elements View

Name	Flags	Card.	Type	Description & Constraints
Quantity	C	0..*	SimpleQuantity	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
value	Σ	1..1	decimal	Numerical value (with implicit precision)
unit	Σ	1..1	string	Unit representation
system	ΣC	1..1	uri	System that defines coded unit form
code	Σ	1..1	code	Coded form of the unit Binding: UnitCode (preferred)
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Quantity.code	preferred	UnitCode http://fhir.ch/ig/ch-term/ValueSet/UnitCode

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	Quantity	If a code for the unit is present, the system SHALL also be present : code.empty() or system.exists()
sqty-1	error	Quantity	The comparator is not used on a SimpleQuantity : comparator.empty()

Snapshot View

Name	Flags	Card.	Type	Description & Constraints
Quantity	C	0..*	SimpleQuantity	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
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
value	Σ	1..1	decimal	Numerical value (with implicit precision)
unit	Σ	1..1	string	Unit representation
system	ΣC	1..1	uri	System that defines coded unit form
code	Σ	1..1	code	Coded form of the unit Binding: UnitCode (preferred)
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Quantity.code	preferred	UnitCode http://fhir.ch/ig/ch-term/ValueSet/UnitCode

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	Quantity	If a code for the unit is present, the system SHALL also be present : code.empty() or system.exists()
sqty-1	error	Quantity	The comparator is not used on a SimpleQuantity : comparator.empty()

This structure is derived from SimpleQuantity

Summary

Mandatory: 4 elements

Other representations of profile: CSV, Excel, Schematron