Quality Measure Implementation Guide
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Quality Measure Implementation Guide, published by HL7 International / Clinical Quality Information. This guide is not an authorized publication; it is the continuous build for version 5.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/cqf-measures/ and changes regularly. See the Directory of published versions

Extension: CQFM Effective Period Anchor

Official URL: http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-effectivePeriodAnchor Version: 2.0.0
Active as of 2025-08-26 Computable Name: CQFMEffectivePeriodAnchor

Specifies the anchor date for the effective period as defined by a starting date and a range.

Quality measures often specify their effective period in terms of a "reporting period", together with a date of first effective use of that measure.

Context of Use

Usage info

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

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

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..1 Extension Date of first effective use
... url 1..1 uri "http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-effectivePeriodAnchor"
... value[x] 0..1 dateTime Value of extension

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..1 Extension Date of first effective use
... 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-effectivePeriodAnchor"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type dateTime: Specifies the anchor date for the effective period as defined by a starting date and a range.

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..1 Extension Date of first effective use
... url 1..1 uri "http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-effectivePeriodAnchor"
... value[x] 0..1 dateTime Value of extension

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..1 Extension Date of first effective use
... 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-effectivePeriodAnchor"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type dateTime: Specifies the anchor date for the effective period as defined by a starting date and a range.

 

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()