Quality Measure Implementation Guide
1.0.0 - STU 1

Quality Measure Implementation Guide - Downloaded Version null See the Directory of published versions

## Extension: CQM Applies To

Official URL: http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-appliesTo | Version: 1.0.0
Standards status: Trial-use | Maturity Level: 4 | Computable Name: CQMAppliesTo
Other Identifiers: OID:2.16.840.1.113883.4.642.40.61.42.2

Indicates the population that this stratifier should apply to. If no appliesTo extension is present, the stratifier is calculated based on the result of the population calculation (e.g. the calculated numerator for a proportion scoring).

Context of Use

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

- Element ID: `Measure.group.stratifier`

Usage info

Usages:

- Use this Extension: CQM Computable Measure
- Examples for this Extension: EXM55 and MeasureEXM

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.

- Differential Table
- Snapshot Table
- Statistics/References
- All

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 1..* | Extension | Which population does this stratifier apply to?
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-appliesTo"
value[x] |  | 0..1 | CodeableConcept | Value of extension Binding: MeasurePopulationType (extensible): Indicates the population
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 1..* | Extension | Which population does this stratifier apply to?
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/uv/cqm/StructureDefinition/cqm-appliesTo"
value[x] |  | 0..1 | CodeableConcept | Value of extension Binding: MeasurePopulationType (extensible): Indicates the population
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type CodeableConcept: Indicates the population that this stratifier should apply to. If no appliesTo extension is present, the stratifier is calculated based on the result of the population calculation (e.g. the calculated numerator for a proportion scoring).

Maturity: 4

Differential View

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 1..* | Extension | Which population does this stratifier apply to?
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-appliesTo"
value[x] |  | 0..1 | CodeableConcept | Value of extension Binding: MeasurePopulationType (extensible): Indicates the population
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 1..* | Extension | Which population does this stratifier apply to?
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/uv/cqm/StructureDefinition/cqm-appliesTo"
value[x] |  | 0..1 | CodeableConcept | Value of extension Binding: MeasurePopulationType (extensible): Indicates the population
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type CodeableConcept: Indicates the population that this stratifier should apply to. If no appliesTo extension is present, the stratifier is calculated based on the result of the population calculation (e.g. the calculated numerator for a proportion scoring).

Maturity: 4

Other representations of profile: CSV, Excel, Schematron

#### Terminology Bindings

Path | Conformance | ValueSet | URI
Extension.value[x] | extensible | MeasurePopulationType `http://terminology.hl7.org/ValueSet/measure-population`

#### 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() |