Quality Measure Implementation Guide (STU4)
4.0.0 - STU4
Quality Measure Implementation Guide (STU4)
4.0.0 - STU4
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 in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions 
| Active as of 2019-02-13 |
XML representation of the cqfm-directReferenceCode extension.
<StructureDefinition xmlns="http://hl7.org/fhir">
<id value="cqfm-directReferenceCode"/>
<text>
<status value="extensions"/>
<div xmlns="http://www.w3.org/1999/xhtml">Placeholder</div>
</text>
<url
value="http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-directReferenceCode"/>
<version value="4.0.0"/>
<name value="CQFMDirectReferenceCode"/>
<title value="CQFM Direct Reference Code"/>
<status value="active"/>
<experimental value="false"/>
<date value="2019-02-13"/>
<publisher value="Clinical Quality Information WG"/>
<contact>
<telecom>
<system value="url"/>
<value value="http://www.hl7.org/Special/committees/cqi"/>
</telecom>
</contact>
<description
value="Defines a code directly referenced by measure logic, as opposed to a value set. Direct reference codes may be the target of data requirements."/>
<jurisdiction>
<coding>
<system value="urn:iso:std:iso:3166"/>
<code value="US"/>
</coding>
</jurisdiction>
<purpose
value="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."/>
<fhirVersion value="4.0.1"/>
<mapping>
<identity value="rim"/>
<uri value="http://hl7.org/v3"/>
<name value="RIM Mapping"/>
</mapping>
<kind value="complex-type"/>
<abstract value="false"/>
<context>
<type value="element"/>
<expression value="Library"/>
</context>
<type value="Extension"/>
<baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension"/>
<derivation value="constraint"/>
<snapshot>
<element id="Extension">
<path value="Extension"/>
<short value="A code directly referenced by the measure"/>
<definition
value="Defines a code directly referenced by measure logic, as opposed to a value set. Direct reference codes may be the target of data requirements."/>
<min value="0"/>
<max value="*"/>
<base>
<path value="Extension"/>
<min value="0"/>
<max value="*"/>
</base>
<condition value="ele-1"/>
<constraint>
<key value="ele-1"/>
<severity value="error"/>
<human value="All FHIR elements must have a @value or children"/>
<expression
value="hasValue() or (children().count() > id.count())"/>
<xpath value="@value|f:*|h:div"/>
<source value="http://hl7.org/fhir/StructureDefinition/Element"/>
</constraint>
<constraint>
<key value="ext-1"/>
<severity value="error"/>
<human value="Must have either extensions or value[x], not both"/>
<expression value="extension.exists() != value.exists()"/>
<xpath
value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/>
<source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
</constraint>
<isModifier value="false"/>
</element>
<element id="Extension.id">
<path value="Extension.id"/>
<representation value="xmlAttr"/>
<short value="Unique id for inter-element referencing"/>
<definition
value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="Element.id"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
<valueUrl value="string"/>
</extension>
<code value="http://hl7.org/fhirpath/System.String"/>
</type>
<isModifier value="false"/>
<isSummary value="false"/>
<mapping>
<identity value="rim"/>
<map value="n/a"/>
</mapping>
</element>
<element id="Extension.extension">
<path value="Extension.extension"/>
<slicing>
<discriminator>
<type value="value"/>
<path value="url"/>
</discriminator>
<description value="Extensions are always sliced by (at least) url"/>
<rules value="open"/>
</slicing>
<short value="Additional content defined by implementations"/>
<definition
value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
<comment
value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
<alias value="extensions"/>
<alias value="user content"/>
<min value="0"/>
<max value="*"/>
<base>
<path value="Element.extension"/>
<min value="0"/>
<max value="*"/>
</base>
<type>
<code value="Extension"/>
</type>
<constraint>
<key value="ele-1"/>
<severity value="error"/>
<human value="All FHIR elements must have a @value or children"/>
<expression
value="hasValue() or (children().count() > id.count())"/>
<xpath value="@value|f:*|h:div"/>
<source value="http://hl7.org/fhir/StructureDefinition/Element"/>
</constraint>
<constraint>
<key value="ext-1"/>
<severity value="error"/>
<human value="Must have either extensions or value[x], not both"/>
<expression value="extension.exists() != value.exists()"/>
<xpath
value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])"/>
<source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
<mapping>
<identity value="rim"/>
<map value="n/a"/>
</mapping>
</element>
<element id="Extension.url">
<path value="Extension.url"/>
<representation value="xmlAttr"/>
<short value="identifies the meaning of the extension"/>
<definition
value="Source of the definition for the extension code - a logical name or a URL."/>
<comment
value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension."/>
<min value="1"/>
<max value="1"/>
<base>
<path value="Extension.url"/>
<min value="1"/>
<max value="1"/>
</base>
<type>
<code value="uri"/>
</type>
<fixedUri
value="http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-directReferenceCode"/>
<isModifier value="false"/>
<isSummary value="false"/>
<mapping>
<identity value="rim"/>
<map value="N/A"/>
</mapping>
</element>
<element id="Extension.value[x]">
<path value="Extension.value[x]"/>
<short value="Value of extension"/>
<definition
value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="Extension.value[x]"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code value="Coding"/>
</type>
<constraint>
<key value="ele-1"/>
<severity value="error"/>
<human value="All FHIR elements must have a @value or children"/>
<expression
value="hasValue() or (children().count() > id.count())"/>
<xpath value="@value|f:*|h:div"/>
<source value="http://hl7.org/fhir/StructureDefinition/Element"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
<mapping>
<identity value="rim"/>
<map value="N/A"/>
</mapping>
</element>
</snapshot>
<differential>
<element id="Extension">
<path value="Extension"/>
<short value="A code directly referenced by the measure"/>
<definition
value="Defines a code directly referenced by measure logic, as opposed to a value set. Direct reference codes may be the target of data requirements."/>
<min value="0"/>
<max value="*"/>
</element>
<element id="Extension.url">
<path value="Extension.url"/>
<type>
<code value="uri"/>
</type>
<fixedUri
value="http://hl7.org/fhir/us/cqfmeasures/StructureDefinition/cqfm-directReferenceCode"/>
</element>
<element id="Extension.value[x]">
<path value="Extension.value[x]"/>
<type>
<code value="Coding"/>
</type>
</element>
</differential>
</StructureDefinition>
IG © 2019+ Clinical Quality Information WG. Package hl7.fhir.us.cqfmeasures#4.0.0 based on FHIR 4.0.1. Generated 2023-08-28
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