CH ELM (R4)
1.12.0 - ci-build Switzerland flag

CH ELM (R4), published by Federal Office of Public Health FOPH. This guide is not an authorized publication; it is the continuous build for version 1.12.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/ahdis/ch-elm/ and changes regularly. See the Directory of published versions

Data Type Profile: CH ELM Quantity arb'U

Official URL: http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-quantity-arbu Version: 1.12.0
Active as of 2025-09-19 Computable Name: ChElmQuantityArbU

Copyright/Legal: CC0-1.0

Quantity with unit arb'U and system http://unitsofmeasure.org

Usages:

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.

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Quantity C 0..* QuantityEuLab A measured amount using UCUM
Constraints: qty-3
... 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)
... value Σ 1..1 decimal Numerical value (with implicit precision)
... comparator ?!Σ 0..1 code < | <= | >= | > - how to understand the value
Binding: QuantityComparator (required): How the Quantity should be understood and represented.
... system SΣC 1..1 uri UCUM system for units
Fixed Value: http://unitsofmeasure.org
... code SΣ 1..1 code Coded form of the unit
Required Pattern: [arb'U]

doco Documentation for this format

Terminology Bindings

PathConformanceValueSetURI
Quantity.comparatorrequiredQuantityComparator
http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1
From the FHIR Standard

Constraints

IdGradePath(s)DetailsRequirements
ele-1error**ALL** elementsAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1error**ALL** extensionsMust have either extensions or value[x], not both
: extension.exists() != value.exists()
qty-3errorQuantityIf a code for the unit is present, the system SHALL also be present
: code.empty() or system.exists()

This structure is derived from QuantityEuLab

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Quantity QuantityEuLab
... value 1..1 decimal Numerical value (with implicit precision)
... unit 0..1 string Unit representation
Required Pattern: [arb'U]
... code 1..1 code Coded form of the unit
Required Pattern: [arb'U]

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Quantity C 0..* QuantityEuLab A measured amount using UCUM
Constraints: qty-3
... 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)
... value Σ 1..1 decimal Numerical value (with implicit precision)
... unit Σ 0..1 string Unit representation
Required Pattern: [arb'U]
... system SΣC 1..1 uri UCUM system for units
Fixed Value: http://unitsofmeasure.org
... code SΣ 1..1 code Coded form of the unit
Required Pattern: [arb'U]

doco Documentation for this format

Terminology Bindings

PathConformanceValueSetURI
Quantity.comparatorrequiredQuantityComparator
http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1
From the FHIR Standard

Constraints

IdGradePath(s)DetailsRequirements
ele-1error**ALL** elementsAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1error**ALL** extensionsMust have either extensions or value[x], not both
: extension.exists() != value.exists()
qty-3errorQuantityIf a code for the unit is present, the system SHALL also be present
: code.empty() or system.exists()

This structure is derived from QuantityEuLab

Summary

Mandatory: 1 element

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Quantity C 0..* QuantityEuLab A measured amount using UCUM
Constraints: qty-3
... 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)
... value Σ 1..1 decimal Numerical value (with implicit precision)
... comparator ?!Σ 0..1 code < | <= | >= | > - how to understand the value
Binding: QuantityComparator (required): How the Quantity should be understood and represented.
... system SΣC 1..1 uri UCUM system for units
Fixed Value: http://unitsofmeasure.org
... code SΣ 1..1 code Coded form of the unit
Required Pattern: [arb'U]

doco Documentation for this format

Terminology Bindings

PathConformanceValueSetURI
Quantity.comparatorrequiredQuantityComparator
http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1
From the FHIR Standard

Constraints

IdGradePath(s)DetailsRequirements
ele-1error**ALL** elementsAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1error**ALL** extensionsMust have either extensions or value[x], not both
: extension.exists() != value.exists()
qty-3errorQuantityIf a code for the unit is present, the system SHALL also be present
: code.empty() or system.exists()

Differential View

This structure is derived from QuantityEuLab

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Quantity QuantityEuLab
... value 1..1 decimal Numerical value (with implicit precision)
... unit 0..1 string Unit representation
Required Pattern: [arb'U]
... code 1..1 code Coded form of the unit
Required Pattern: [arb'U]

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Quantity C 0..* QuantityEuLab A measured amount using UCUM
Constraints: qty-3
... 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)
... value Σ 1..1 decimal Numerical value (with implicit precision)
... unit Σ 0..1 string Unit representation
Required Pattern: [arb'U]
... system SΣC 1..1 uri UCUM system for units
Fixed Value: http://unitsofmeasure.org
... code SΣ 1..1 code Coded form of the unit
Required Pattern: [arb'U]

doco Documentation for this format

Terminology Bindings

PathConformanceValueSetURI
Quantity.comparatorrequiredQuantityComparator
http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1
From the FHIR Standard

Constraints

IdGradePath(s)DetailsRequirements
ele-1error**ALL** elementsAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1error**ALL** extensionsMust have either extensions or value[x], not both
: extension.exists() != value.exists()
qty-3errorQuantityIf a code for the unit is present, the system SHALL also be present
: code.empty() or system.exists()

This structure is derived from QuantityEuLab

Summary

Mandatory: 1 element

 

Other representations of profile: CSV, Excel, Schematron