# CQM Proportion Measure - Quality Measure Implementation Guide v2.0.0-ballot

## Resource Profile: CQM Proportion Measure 

 
The CQM Proportion Measure Profile describes a proportion scoring measure. For more information on the usage of this profile, refer to the Profiles and Packaging pages in this implementation guide. 

**Usages:**

* Examples for this Profile: [BCSComponent](Measure-BCSComponent.md), [CCSComponent](Measure-CCSComponent.md), [EXM108](Measure-EXM108-FHIR.md), [EXM124](Measure-EXM124-FHIR.md)... Show 6 more, [EXM125](Measure-EXM125-FHIR.md), [EXM130](Measure-EXM130-FHIR.md), [EXM146](Measure-EXM146-FHIR.md), [HBPComponent](Measure-HBPComponent.md), [PVSComponent](Measure-PVSComponent.md) and [TSCComponent](Measure-TSCComponent.md)
* CapabilityStatements using this Profile: [CQF Measures Shareable Measure Repository Capability Statement](CapabilityStatement-shareable-measure-repository.md)

You can also check for [usages in the FHIR IG Statistics](https://packages2.fhir.org/xig/hl7.fhir.uv.cqm|current/StructureDefinition/cqm-proportionmeasure)

### Formal Views of Profile Content

 [Description Differentials, Snapshots, and other representations](http://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#structure-definitions). 

 

Other representations of profile: [CSV](../StructureDefinition-cqm-proportionmeasure.csv), [Excel](../StructureDefinition-cqm-proportionmeasure.xlsx), [Schematron](../StructureDefinition-cqm-proportionmeasure.sch) 



## Resource Content

```json
{
  "resourceType" : "StructureDefinition",
  "id" : "cqm-proportionmeasure",
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "cqi"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 4,
    "_valueInteger" : {
      "extension" : [{
        "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueCanonical" : "http://hl7.org/fhir/uv/cqm/ImplementationGuide/hl7.fhir.uv.cqm"
      }]
    }
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "trial-use",
    "_valueCode" : {
      "extension" : [{
        "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueCanonical" : "http://hl7.org/fhir/uv/cqm/ImplementationGuide/hl7.fhir.uv.cqm"
      }]
    }
  }],
  "url" : "http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-proportionmeasure",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.40.61.42.22"
  }],
  "version" : "1.0.0",
  "name" : "CQMProportionMeasure",
  "title" : "CQM Proportion Measure",
  "status" : "active",
  "experimental" : false,
  "date" : "2026-04-07T02:06:45+10:00",
  "publisher" : "HL7 International / Clinical Quality Information",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/cqi"
    }]
  }],
  "description" : "The CQM Proportion Measure Profile describes a proportion scoring measure. For more information on the usage of this profile, refer to the Profiles and Packaging pages in this implementation guide.",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001"
    }]
  }],
  "fhirVersion" : "4.0.1",
  "mapping" : [{
    "identity" : "rim",
    "uri" : "http://hl7.org/v3",
    "name" : "RIM Mapping"
  },
  {
    "identity" : "workflow",
    "uri" : "http://hl7.org/fhir/workflow",
    "name" : "Workflow Pattern"
  },
  {
    "identity" : "w5",
    "uri" : "http://hl7.org/fhir/fivews",
    "name" : "FiveWs Pattern Mapping"
  },
  {
    "identity" : "objimpl",
    "uri" : "http://hl7.org/fhir/object-implementation",
    "name" : "Object Implementation Information"
  }],
  "kind" : "resource",
  "abstract" : false,
  "type" : "Measure",
  "baseDefinition" : "http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-computablemeasure",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "id" : "Measure",
      "path" : "Measure"
    },
    {
      "id" : "Measure.scoring",
      "path" : "Measure.scoring",
      "short" : "proportion",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "patternCodeableConcept" : {
        "coding" : [{
          "system" : "http://terminology.hl7.org/CodeSystem/measure-scoring",
          "code" : "proportion"
        }]
      },
      "mustSupport" : true
    },
    {
      "id" : "Measure.group",
      "path" : "Measure.group",
      "min" : 1,
      "max" : "*",
      "constraint" : [{
        "key" : "cmp-14",
        "severity" : "error",
        "human" : "Proportion measures may not have other than initial population, denominator, numerator, denominator-exclusion, denominator-exception, and numerator-exclusion criteria",
        "expression" : "extension('http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-scoring').exists() and extension('http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-scoring').value.coding.code contains 'proportion' implies population.select(code.coding.where(system = 'http://terminology.hl7.org/CodeSystem/measure-population').code in ('initial-population' | 'numerator' | 'denominator' | 'denominator-exclusion' | 'denominator-exception' | 'numerator-exclusion')).allTrue()"
      }],
      "mustSupport" : true
    },
    {
      "id" : "Measure.group.population",
      "path" : "Measure.group.population",
      "slicing" : {
        "discriminator" : [{
          "type" : "value",
          "path" : "code"
        }],
        "rules" : "open"
      },
      "min" : 3,
      "max" : "6",
      "condition" : ["cmp-14"],
      "mustSupport" : true
    },
    {
      "id" : "Measure.group.population:initialPopulation",
      "path" : "Measure.group.population",
      "sliceName" : "initialPopulation",
      "short" : "Initial Population",
      "min" : 1,
      "max" : "1",
      "mustSupport" : true
    },
    {
      "id" : "Measure.group.population:initialPopulation.code",
      "path" : "Measure.group.population.code",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "patternCodeableConcept" : {
        "coding" : [{
          "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
          "code" : "initial-population"
        }]
      },
      "mustSupport" : true
    },
    {
      "id" : "Measure.group.population:denominator",
      "path" : "Measure.group.population",
      "sliceName" : "denominator",
      "short" : "Denominator",
      "min" : 1,
      "max" : "1",
      "mustSupport" : true
    },
    {
      "id" : "Measure.group.population:denominator.code",
      "path" : "Measure.group.population.code",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "patternCodeableConcept" : {
        "coding" : [{
          "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
          "code" : "denominator"
        }]
      },
      "mustSupport" : true
    },
    {
      "id" : "Measure.group.population:denominatorExclusion",
      "path" : "Measure.group.population",
      "sliceName" : "denominatorExclusion",
      "short" : "Denominator Exclusion",
      "min" : 0,
      "max" : "1",
      "mustSupport" : true
    },
    {
      "id" : "Measure.group.population:denominatorExclusion.code",
      "path" : "Measure.group.population.code",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "patternCodeableConcept" : {
        "coding" : [{
          "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
          "code" : "denominator-exclusion"
        }]
      },
      "mustSupport" : true
    },
    {
      "id" : "Measure.group.population:numerator",
      "path" : "Measure.group.population",
      "sliceName" : "numerator",
      "short" : "Numerator",
      "min" : 1,
      "max" : "1",
      "mustSupport" : true
    },
    {
      "id" : "Measure.group.population:numerator.code",
      "path" : "Measure.group.population.code",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "patternCodeableConcept" : {
        "coding" : [{
          "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
          "code" : "numerator"
        }]
      },
      "mustSupport" : true
    },
    {
      "id" : "Measure.group.population:numeratorExclusion",
      "path" : "Measure.group.population",
      "sliceName" : "numeratorExclusion",
      "short" : "Numerator Exclusion",
      "min" : 0,
      "max" : "1",
      "mustSupport" : true
    },
    {
      "id" : "Measure.group.population:numeratorExclusion.code",
      "path" : "Measure.group.population.code",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "patternCodeableConcept" : {
        "coding" : [{
          "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
          "code" : "numerator-exclusion"
        }]
      },
      "mustSupport" : true
    },
    {
      "id" : "Measure.group.population:denominatorException",
      "path" : "Measure.group.population",
      "sliceName" : "denominatorException",
      "short" : "Denominator Exception",
      "min" : 0,
      "max" : "1",
      "mustSupport" : true
    },
    {
      "id" : "Measure.group.population:denominatorException.code",
      "path" : "Measure.group.population.code",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "patternCodeableConcept" : {
        "coding" : [{
          "system" : "http://terminology.hl7.org/CodeSystem/measure-population",
          "code" : "denominator-exception"
        }]
      },
      "mustSupport" : true
    }]
  }
}

```
