Quality Measure Implementation Guide (STU4)
4.0.0 - STU4 United States of America flag

This page is part of the Quality Measure STU2 for FHIR R4 Implementation Guide (v4.0.0: STU4 (v4.0.0)) based on FHIR R4. This is the current published version. For a full list of available versions, see the Directory of published versions

Extension: CQFM Direct Reference Code

Official URL: http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-directReferenceCode Version: 4.0.0
Active as of 2019-02-13 Computable Name: CQFMDirectReferenceCode

Defines a code directly referenced by measure logic, as opposed to a value set. Direct reference codes may be the target of data requirements.

A computable measure must specify terminology requirements. Direct reference codes SHALL be at least the set of all codes defined in the primary measure library and any referenced libraries, recursively, and SHOULD be limited to only those direct reference codes that are actually referenced in expressions used by the measure.

Context of Use

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

  • Element ID Library

Usage info

Usage:

Formal Views of Extension Content

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

This structure is derived from Extension

Summary

Simple Extension of type Coding: Defines a code directly referenced by measure logic, as opposed to a value set. Direct reference codes may be the target of data requirements.

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..*ExtensionA code directly referenced by the measure
... url 1..1uri"http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-directReferenceCode"
... value[x] 0..1CodingValue of extension

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..*ExtensionA code directly referenced by the measure
... id 0..1stringUnique id for inter-element referencing
... extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
... url 1..1uri"http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-directReferenceCode"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension of type Coding: Defines a code directly referenced by measure logic, as opposed to a value set. Direct reference codes may be the target of data requirements.

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..*ExtensionA code directly referenced by the measure
... url 1..1uri"http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-directReferenceCode"
... value[x] 0..1CodingValue of extension

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..*ExtensionA code directly referenced by the measure
... id 0..1stringUnique id for inter-element referencing
... extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
... url 1..1uri"http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-directReferenceCode"

doco Documentation for this format

 

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()