Data Exchange For Quality Measures Implementation Guide
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## Extension: DEQM Calculated Date Extension

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

This extension applies to the date the metric was actually calculated. If your measure calculation draws on stored calculations and there are multiple calculation dates, this extension would not apply, as in the example of a composite measure where the individual measures were calculated on different dates. This would only cover the case where there is only one calculation date.

Context of Use

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

- Element ID: `MeasureReport.group`

### Mandatory Data Elements and Terminology

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

Each Must Have:

1. url: identifies the meaning of the extension

Usage info

Usages:

- Use this Extension: DEQM Individual MeasureReport Profile, DEQM Subject List MeasureReport and DEQM Summary MeasureReport Profile
- Examples for this Extension: MeasureReport/FHIRPath-example, MeasureReport/indv-measurereport-patient-level-linear, MeasureReport/indv-measurereport-weighted-composite and MeasureReport/indv-measurereport01

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 | The date the score was calculated
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/deqm/StructureDefinition/deqm-calculatedDate"
value[x] |  | 0..1 | dateTime | The date the score was calculated.
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..1 | Extension | The date the score was calculated
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-calculatedDate"
value[x] |  | 0..1 | dateTime | The date the score was calculated.
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: This extension applies to the date the metric was actually calculated. If your measure calculation draws on stored calculations and there are multiple calculation dates, this extension would not apply, as in the example of a composite measure where the individual measures were calculated on different dates. This would only cover the case where there is only one calculation date.

Maturity: 4

Differential ViewDifferential View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..1 | Extension | The date the score was calculated
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/deqm/StructureDefinition/deqm-calculatedDate"
value[x] |  | 0..1 | dateTime | The date the score was calculated.
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..1 | Extension | The date the score was calculated
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-calculatedDate"
value[x] |  | 0..1 | dateTime | The date the score was calculated.
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: This extension applies to the date the metric was actually calculated. If your measure calculation draws on stored calculations and there are multiple calculation dates, this extension would not apply, as in the example of a composite measure where the individual measures were calculated on different dates. This would only cover the case where there is only one calculation date.

Maturity: 4

Other representations of profile: CSV, Excel, Schematron