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 Aggregate Method

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

Specifies which method to be used to aggregate the measure observation values.

For continuous variable measures, the measure observation definition needs to be able to specify how the observations should be aggregated.

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 code: Specifies which method to be used to aggregate the measure observation values.

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1 Extension Aggregate with
... url 1..1 uri "http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-aggregateMethod"
... value[x] 0..1 code Value of extension
Binding: Measure Aggregate Method (preferred): Aggregation method for a measure (e.g. sum, average, median, minimum, maximum, count)


doco Documentation for this format
NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1 Extension Aggregate with
... 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-aggregateMethod"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension of type code: Specifies which method to be used to aggregate the measure observation values.

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1 Extension Aggregate with
... url 1..1 uri "http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-aggregateMethod"
... value[x] 0..1 code Value of extension
Binding: Measure Aggregate Method (preferred): Aggregation method for a measure (e.g. sum, average, median, minimum, maximum, count)


doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1 Extension Aggregate with
... 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-aggregateMethod"

doco Documentation for this format

 

Other representations of profile: CSV, Excel, Schematron

Terminology Bindings

PathConformanceValueSetURI
Extension.value[x]preferredMeasureAggregateMethod
http://terminology.hl7.org/ValueSet/measure-aggregate-method

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()