Using CQL With FHIR
3.0.0-ballot - STU 3 Ballot International flag

This page is part of the Using CQL with FHIR Implementation Guide (v3.0.0-ballot: STU 3 Ballot) based on FHIR (HL7® FHIR® Standard) R4. This version is a pre-release. The current official version is 2.0.0. For a full list of available versions, see the Directory of published versions

Extension: CQL Selectivity

Official URL: http://hl7.org/fhir/uv/cql/StructureDefinition/cql-selectivity Version: 3.0.0-ballot
Standards status: Trial-use Maturity Level: 1 Computable Name: CQLSelectivity
Other Identifiers: OID:2.16.840.1.113883.4.642.40.37.42.21

Describes the selectivity of a set of data requirements with respect to a particular expression.

Context of Use

    This extension may be used on the following element(s)

Usage info

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

Description Differentials, Snapshots, and other representations.

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Expression selectivity
... Slices for extension Content/Rules for all slices
.... extension:expressionIdentifier 0..1 Extension What expression
..... extension 0..0 Extension
..... url 1..1 uri "expressionIdentifier"
..... value[x] 1..1 string Value of extension
.... extension:coverage 0..1 Extension How selective
..... extension 0..0 Extension
..... url 1..1 uri "coverage"
..... value[x] 1..1 code Value of extension
Binding: Selectivity Coverage Value Set (required)
.... extension:inclusivity 0..1 Extension Inclusion/exclusion
..... extension 0..0 Extension
..... url 1..1 uri "inclusivity"
..... value[x] 1..1 code Value of extension
Binding: Selectivity Inclusivity Value Set (required)
.... extension:form 0..1 Extension Conjunctive/disjunctive
..... extension 0..0 Extension
..... url 1..1 uri "form"
..... value[x] 1..1 code Value of extension
Binding: Selectivity Form Value Set (required)
.... extension:clause 1..* Extension A selectivity clause
..... Slices for extension Content/Rules for all slices
...... extension:term 1..* Extension A selectivity term
....... extension 0..0 Extension
....... url 1..1 uri "term"
....... value[x] 1..1 DataRequirement Value of extension
..... url 1..1 uri "clause"
..... value[x] 0..0 Value of extension
... url 1..1 uri "http://hl7.org/fhir/uv/cql/StructureDefinition/cql-selectivity"
... value[x] 0..0 Value of extension

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
Extension.extension:coverage.​value[x] Base required Selectivity Coverage Value Set 📦3.0.0-ballot This IG
Extension.extension:inclusivity.​value[x] Base required Selectivity Inclusivity Value Set 📦3.0.0-ballot This IG
Extension.extension:form.​value[x] Base required Selectivity Form Value Set 📦3.0.0-ballot This IG
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Expression selectivity
... id 0..1 string Unique id for inter-element referencing
... Slices for extension 1..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... extension:expressionIdentifier 0..1 Extension What expression
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "expressionIdentifier"
..... value[x] 1..1 string Value of extension
.... extension:coverage 0..1 Extension How selective
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "coverage"
..... value[x] 1..1 code Value of extension
Binding: Selectivity Coverage Value Set (required)
.... extension:inclusivity 0..1 Extension Inclusion/exclusion
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "inclusivity"
..... value[x] 1..1 code Value of extension
Binding: Selectivity Inclusivity Value Set (required)
.... extension:form 0..1 Extension Conjunctive/disjunctive
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "form"
..... value[x] 1..1 code Value of extension
Binding: Selectivity Form Value Set (required)
.... extension:clause 1..* Extension A selectivity clause
..... id 0..1 string Unique id for inter-element referencing
..... Slices for extension 1..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
..... Slices for extension Content/Rules for all slices
...... extension:term 1..* Extension A selectivity term
....... id 0..1 string Unique id for inter-element referencing
....... extension 0..0 Extension
Slice: Unordered, Open by value:url
....... url 1..1 uri "term"
....... value[x] 1..1 DataRequirement Value of extension
..... url 1..1 uri "clause"
... url 1..1 uri "http://hl7.org/fhir/uv/cql/StructureDefinition/cql-selectivity"

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Extension.extension:coverage.​value[x] Base required Selectivity Coverage Value Set 📦3.0.0-ballot This IG
Extension.extension:inclusivity.​value[x] Base required Selectivity Inclusivity Value Set 📦3.0.0-ballot This IG
Extension.extension:form.​value[x] Base required Selectivity Form Value Set 📦3.0.0-ballot This IG

Constraints

Id Grade Path(s) Description Expression
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()

Summary

Complex Extension: Describes the selectivity of a set of data requirements with respect to a particular expression.

  • expressionIdentifier: string: The expression the selectivity is describing.
  • coverage: code: The coverage level of the selectivity with respect to the expression
  • inclusivity: code: The inclusivity of the selectivity (i.e. inclusion or exclusion)
  • form: code: The form of the selectivity, conjunctive or disjunctive.
  • term: DataRequirement: A term in a clause of the selectivity (e.g. A.status = 'active'). Terms in a clause are joined with the opposite connective, by definition of Conjunctive and Disjunctive Normal Form (i.e. terms in a conjunctive selectivity are joined with or, whereas terms in a disjunctive selectivity are joined with and)

Maturity: 1

Differential ViewDifferential View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Expression selectivity
... Slices for extension Content/Rules for all slices
.... extension:expressionIdentifier 0..1 Extension What expression
..... extension 0..0 Extension
..... url 1..1 uri "expressionIdentifier"
..... value[x] 1..1 string Value of extension
.... extension:coverage 0..1 Extension How selective
..... extension 0..0 Extension
..... url 1..1 uri "coverage"
..... value[x] 1..1 code Value of extension
Binding: Selectivity Coverage Value Set (required)
.... extension:inclusivity 0..1 Extension Inclusion/exclusion
..... extension 0..0 Extension
..... url 1..1 uri "inclusivity"
..... value[x] 1..1 code Value of extension
Binding: Selectivity Inclusivity Value Set (required)
.... extension:form 0..1 Extension Conjunctive/disjunctive
..... extension 0..0 Extension
..... url 1..1 uri "form"
..... value[x] 1..1 code Value of extension
Binding: Selectivity Form Value Set (required)
.... extension:clause 1..* Extension A selectivity clause
..... Slices for extension Content/Rules for all slices
...... extension:term 1..* Extension A selectivity term
....... extension 0..0 Extension
....... url 1..1 uri "term"
....... value[x] 1..1 DataRequirement Value of extension
..... url 1..1 uri "clause"
..... value[x] 0..0 Value of extension
... url 1..1 uri "http://hl7.org/fhir/uv/cql/StructureDefinition/cql-selectivity"
... value[x] 0..0 Value of extension

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
Extension.extension:coverage.​value[x] Base required Selectivity Coverage Value Set 📦3.0.0-ballot This IG
Extension.extension:inclusivity.​value[x] Base required Selectivity Inclusivity Value Set 📦3.0.0-ballot This IG
Extension.extension:form.​value[x] Base required Selectivity Form Value Set 📦3.0.0-ballot This IG

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Expression selectivity
... id 0..1 string Unique id for inter-element referencing
... Slices for extension 1..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... extension:expressionIdentifier 0..1 Extension What expression
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "expressionIdentifier"
..... value[x] 1..1 string Value of extension
.... extension:coverage 0..1 Extension How selective
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "coverage"
..... value[x] 1..1 code Value of extension
Binding: Selectivity Coverage Value Set (required)
.... extension:inclusivity 0..1 Extension Inclusion/exclusion
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "inclusivity"
..... value[x] 1..1 code Value of extension
Binding: Selectivity Inclusivity Value Set (required)
.... extension:form 0..1 Extension Conjunctive/disjunctive
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "form"
..... value[x] 1..1 code Value of extension
Binding: Selectivity Form Value Set (required)
.... extension:clause 1..* Extension A selectivity clause
..... id 0..1 string Unique id for inter-element referencing
..... Slices for extension 1..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
..... Slices for extension Content/Rules for all slices
...... extension:term 1..* Extension A selectivity term
....... id 0..1 string Unique id for inter-element referencing
....... extension 0..0 Extension
Slice: Unordered, Open by value:url
....... url 1..1 uri "term"
....... value[x] 1..1 DataRequirement Value of extension
..... url 1..1 uri "clause"
... url 1..1 uri "http://hl7.org/fhir/uv/cql/StructureDefinition/cql-selectivity"

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Extension.extension:coverage.​value[x] Base required Selectivity Coverage Value Set 📦3.0.0-ballot This IG
Extension.extension:inclusivity.​value[x] Base required Selectivity Inclusivity Value Set 📦3.0.0-ballot This IG
Extension.extension:form.​value[x] Base required Selectivity Form Value Set 📦3.0.0-ballot This IG

Constraints

Id Grade Path(s) Description Expression
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()

Summary

Complex Extension: Describes the selectivity of a set of data requirements with respect to a particular expression.

  • expressionIdentifier: string: The expression the selectivity is describing.
  • coverage: code: The coverage level of the selectivity with respect to the expression
  • inclusivity: code: The inclusivity of the selectivity (i.e. inclusion or exclusion)
  • form: code: The form of the selectivity, conjunctive or disjunctive.
  • term: DataRequirement: A term in a clause of the selectivity (e.g. A.status = 'active'). Terms in a clause are joined with the opposite connective, by definition of Conjunctive and Disjunctive Normal Form (i.e. terms in a conjunctive selectivity are joined with or, whereas terms in a disjunctive selectivity are joined with and)

Maturity: 1

 

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