Data Exchange For Quality Measures Implementation Guide
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## Extension: DEQM Alternate Score Type Extension

Official URL: http://hl7.org/fhir/uv/deqm/StructureDefinition/deqm-alternateScoreType | Version: 1.0.0-ballot | Highlight text changes?
Standards status: Trial-use Active as of 2018-06-19 | Maturity Level: 4 | Computable Name: DEQMAlternateScoreTypeExtension

Possible value types for the measureScore elements in addition to the standard Quantity type. For continuous variable measures, the alternate type is determined by the Quality Measure Aggregate Method extension used on the Measure. The reported type of the measureScore for continuous variable measures is determined by the result type of the aggregate method operation. This extension corresponds to the measureScore types in the FHIR R5 version of MeasureReport.

Context of Use

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

- Element ID: `MeasureReport.group.measureScore`
- Element ID: `MeasureReport.group.stratifier.stratum.measureScore`

### Mandatory Data Elements and Terminology

The following data-elements are mandatory (i.e data MUST be present).

Each Extension Must Have:

1. url: identifies the meaning of the extension

Example can be found in Summary MeasureReport Date of Last Power Outage

Usage info

Usages:

- Use this Extension: DEQM Individual MeasureReport Profile, DEQM Subject List MeasureReport and DEQM Summary MeasureReport Profile
- Examples for this Extension: MeasureReport/attestation-boolean-example and MeasureReport/date-of-last-power-outage

You can also check for usages in the FHIR IG Statistics

### Formal Views of Extension Content

Description Differentials, Snapshots, and other representations.

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

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..1 | Extension | Possible additional measureScore value types
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/deqm/StructureDefinition/deqm-alternateScoreType"
value[x] |  | 0..1 |  | Value of extension
valueDateTime |  |  | dateTime |
valueCodeableConcept |  |  | CodeableConcept |
valuePeriod |  |  | Period |
valueRange |  |  | Range |
valueDuration |  |  | Duration |
valueBoolean |  |  | boolean |
valueRatio |  |  | Ratio |
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..1 | Extension | Possible additional measureScore value types
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/deqm/StructureDefinition/deqm-alternateScoreType"
value[x] |  | 0..1 |  | Value of extension
valueDateTime |  |  | dateTime |
valueCodeableConcept |  |  | CodeableConcept |
valuePeriod |  |  | Period |
valueRange |  |  | Range |
valueDuration |  |  | Duration |
valueBoolean |  |  | boolean |
valueRatio |  |  | Ratio |
Documentation for this format

#### Constraints

Id | Grade | Path(s) | Description | Expression
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()`

Summary

Simple Extension with the type dateTime, CodeableConcept, Period, Range, Duration, boolean, Ratio: Possible value types for the measureScore elements in addition to the standard Quantity type. For continuous variable measures, the alternate type is determined by the Quality Measure Aggregate Method extension used on the Measure. The reported type of the measureScore for continuous variable measures is determined by the result type of the aggregate method operation. This extension corresponds to the measureScore types in the FHIR R5 version of MeasureReport.

Maturity: 4

Differential ViewDifferential View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..1 | Extension | Possible additional measureScore value types
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/deqm/StructureDefinition/deqm-alternateScoreType"
value[x] |  | 0..1 |  | Value of extension
valueDateTime |  |  | dateTime |
valueCodeableConcept |  |  | CodeableConcept |
valuePeriod |  |  | Period |
valueRange |  |  | Range |
valueDuration |  |  | Duration |
valueBoolean |  |  | boolean |
valueRatio |  |  | Ratio |
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..1 | Extension | Possible additional measureScore value types
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/deqm/StructureDefinition/deqm-alternateScoreType"
value[x] |  | 0..1 |  | Value of extension
valueDateTime |  |  | dateTime |
valueCodeableConcept |  |  | CodeableConcept |
valuePeriod |  |  | Period |
valueRange |  |  | Range |
valueDuration |  |  | Duration |
valueBoolean |  |  | boolean |
valueRatio |  |  | Ratio |
Documentation for this format

#### Constraints

Id | Grade | Path(s) | Description | Expression
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()`

Summary

Simple Extension with the type dateTime, CodeableConcept, Period, Range, Duration, boolean, Ratio: Possible value types for the measureScore elements in addition to the standard Quantity type. For continuous variable measures, the alternate type is determined by the Quality Measure Aggregate Method extension used on the Measure. The reported type of the measureScore for continuous variable measures is determined by the result type of the aggregate method operation. This extension corresponds to the measureScore types in the FHIR R5 version of MeasureReport.

Maturity: 4

Other representations of profile: CSV, Excel, Schematron