Quality Measure Implementation Guide (STU5)
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This page is part of the Quality Measure STU2 for FHIR R4 Implementation Guide (v5.0.0-ballot2: STU5 (v5.0.0) Ballot 2) based on FHIR (HL7® FHIR® Standard) R4. The current version which supersedes this version is 4.0.0. For a full list of available versions, see the Directory of published versions

Extension: CQFM Criteria Reference

Official URL: http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-criteriaReference Version: 2.0.0
Active as of 2024-04-09 Computable Name: CQFMCriteriaReference

Specifies which population criteria is the input to an observation definition, or the initial population for a ratio numerator or denominator.

For measure observations, the definition must be able to specify which criteria is the input to the measure observation. For ratio numerator and denominator, the definition must be able to specify which initial population to use.

Context of Use

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

  • Element ID Measure.group.population

Usage info

Usage:

Formal Views of Extension Content

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

This structure is derived from Extension

Summary

Simple Extension of type string: Specifies which population criteria is the input to an observation definition, or the initial population for a ratio numerator or denominator.

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1 Extension Which criteria
... url 1..1 uri "http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-criteriaReference"
... value[x] 0..1 string Value of extension

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1 Extension Which criteria
... id 0..1 string Unique id for inter-element referencing
... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
... url 1..1 uri "http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-criteriaReference"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension of type string: Specifies which population criteria is the input to an observation definition, or the initial population for a ratio numerator or denominator.

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1 Extension Which criteria
... url 1..1 uri "http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-criteriaReference"
... value[x] 0..1 string Value of extension

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1 Extension Which criteria
... id 0..1 string Unique id for inter-element referencing
... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
... url 1..1 uri "http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-criteriaReference"

doco Documentation for this format

 

Other representations of profile: CSV, Excel, Schematron

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()