This page is part of the Quality Measure STU2 for FHIR R4 Implementation Guide (v4.0.0-ballot: STU 4 Ballot 1) based on FHIR R4. The current version which supercedes this version is 3.0.0. For a full list of available versions, see the Directory of published versions

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Extension: CQFM Criteria Reference

Official URL: http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-criteriaReference				Version: 2.0.0
Active as of 2019-02-13				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

Usage info

Usage:

• Use this Extension: CQFM Continuous Variable Measure, CQFM Ratio Measure
• Examples for this Extension: EXM55, EXM55, EXMRatioMeasure

Formal Views of Extension Content

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

 

Other representations of profile: CSV, Excel, Schematron

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()