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FHIR IG analytics

Packagehl7.fhir.uv.cqm
Resource TypeMeasure
IdMeasure-SupportingEvidenceExample.json
FHIR VersionR4
Sourcehttps://build.fhir.org/ig/HL7/fhir-cqm/Measure-SupportingEvidenceExample.html
URLhttp://hl7.org/fhir/uv/cqm/Measure/SupportingEvidenceExample
Version2.0.0-ballot
Statusdraft
Date2025-08-13
NameSupportingEvidenceExample
TitleSupporting Evidence Example
Realmuv
Authorityhl7
DescriptionExample measure illustrating the use of supporting evidence as a way to exchange additional information about particular populations within a measure.

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Narrative

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Metadata
Title Supporting Evidence Example
Version 2.0.0-ballot
Identifier urn:oid:2.16.840.1.113883.4.642.40.61.29.28
Status Draft
Experimental true
Jurisdiction 001 from http://unstats.un.org/unsd/methods/m49/m49.htm
Topic Health Quality Measure Document
Steward (Publisher) HL7 International / Clinical Quality Information
Description

Example measure illustrating the use of supporting evidence as a way to exchange additional information about particular populations within a measure.

Measure Scoring ratio from http://terminology.hl7.org/CodeSystem/measure-scoring
Measure Group (Rate) (ID: group-1)
Basis boolean
Measure Logic
Primary Library Supporting Evidence Example
Contents Population Criteria
Logic Definitions
Terminology
Dependencies
Data Requirements
Parameters
Population Criteria
Measure Group (Rate) (ID: group-1)
Logic Definitions
Logic Definition Library Name: SupportingEvidenceExample
// main criteria logic

define "All Encounters":
     [Encounter] E
Logic Definition Library Name: SupportingEvidenceExample
// boolean population results
// has matching encounter

define "Initial Population Boolean":
  exists "All Encounters"
Logic Definition Library Name: SupportingEvidenceExample
define "Denominator Boolean":
    "Initial Population Boolean"
Logic Definition Library Name: SupportingEvidenceExample
define "Encounter Arrived":
    [Encounter] E
       where E.status = 'arrived'
Logic Definition Library Name: SupportingEvidenceExample
define "Numerator Exclusion Boolean":
  exists "Encounter Arrived"
Logic Definition Library Name: SupportingEvidenceExample
define "Encounters in Period":
     [Encounter] E
       where E.period during "Measurement Period" and E.status='finished'
Logic Definition Library Name: SupportingEvidenceExample
define "Numerator Boolean":
  exists "Encounters in Period"
Logic Definition Library Name: SupportingEvidenceExample
define "Encounter Cancelled":
    [Encounter] E
       where E.status = 'cancelled'
Logic Definition Library Name: SupportingEvidenceExample
define "Denominator Exclusion Boolean":
  exists "Encounter Cancelled"
Logic Definition Library Name: FHIRHelpers
define function ToString(value EncounterStatus): value.value
Logic Definition Library Name: FHIRHelpers
/*
@description: Converts the given [Period](https://hl7.org/fhir/datatypes.html#Period)
value to a CQL DateTime Interval
@comment: If the start value of the given period is unspecified, the starting
boundary of the resulting interval will be open (meaning the start of the interval
is unknown, as opposed to interpreted as the beginning of time).
*/
define function ToInterval(period FHIR.Period):
    if period is null then
        null
    else
        if period."start" is null then
            Interval(period."start".value, period."end".value]
        else
            Interval[period."start".value, period."end".value]
Terminology
Terminology None
Dependencies
Dependency Description: FHIR model information
Resource: http://hl7.org/fhir/uv/cql/Library/FHIR-ModelInfo|4.0.1
Canonical URL: http://hl7.org/fhir/uv/cql/Library/FHIR-ModelInfo|4.0.1
Dependency Description: Library FHIRHelpers
Resource: http://hl7.org/fhir/uv/cql/Library/FHIRHelpers|4.0.1
Canonical URL: http://hl7.org/fhir/uv/cql/Library/FHIRHelpers|4.0.1
Data Requirements
Data Requirement Type: Encounter
Profile(s): Encounter
Must Support Elements: status, period
Parameters
Name Use Card. Type Documentation
Measurement Period In 0..1 Period
Denominator Boolean Out 0..1 boolean
Numerator Exclusion Boolean Out 0..1 boolean
Initial Population Boolean Out 0..1 boolean
Numerator Boolean Out 0..1 boolean
Denominator Exclusion Boolean Out 0..1 boolean
Generated using version 0.5.4 of the sample-content-ig Liquid templates

Source1

{
  "resourceType": "Measure",
  "id": "SupportingEvidenceExample",
  "text": {
    "status": "extensions",
    "div": "<!-- snip (see above) -->"
  },
  "contained": [
    {
      "resourceType": "Library",
      "id": "effective-data-requirements",
      "extension": [
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "SupportingEvidenceExample"
            },
            {
              "url": "name",
              "valueString": "All Encounters"
            },
            {
              "url": "statement",
              "valueString": "// main criteria logic\n\ndefine \"All Encounters\":\n     [Encounter] E"
            },
            {
              "url": "displaySequence",
              "valueInteger": 0
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "SupportingEvidenceExample"
            },
            {
              "url": "name",
              "valueString": "Initial Population Boolean"
            },
            {
              "url": "statement",
              "valueString": "// boolean population results\n// has matching encounter\n\ndefine \"Initial Population Boolean\":\n  exists \"All Encounters\""
            },
            {
              "url": "displaySequence",
              "valueInteger": 1
            }
          ],
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        },
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "SupportingEvidenceExample"
            },
            {
              "url": "name",
              "valueString": "Denominator Boolean"
            },
            {
              "url": "statement",
              "valueString": "define \"Denominator Boolean\":\n    \"Initial Population Boolean\""
            },
            {
              "url": "displaySequence",
              "valueInteger": 2
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "SupportingEvidenceExample"
            },
            {
              "url": "name",
              "valueString": "Encounter Arrived"
            },
            {
              "url": "statement",
              "valueString": "define \"Encounter Arrived\":\n    [Encounter] E\n       where E.status = 'arrived'"
            },
            {
              "url": "displaySequence",
              "valueInteger": 3
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "SupportingEvidenceExample"
            },
            {
              "url": "name",
              "valueString": "Numerator Exclusion Boolean"
            },
            {
              "url": "statement",
              "valueString": "define \"Numerator Exclusion Boolean\":\n  exists \"Encounter Arrived\""
            },
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              "url": "displaySequence",
              "valueInteger": 4
            }
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        },
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "SupportingEvidenceExample"
            },
            {
              "url": "name",
              "valueString": "Encounters in Period"
            },
            {
              "url": "statement",
              "valueString": "define \"Encounters in Period\":\n     [Encounter] E\n       where E.period during \"Measurement Period\" and E.status='finished'"
            },
            {
              "url": "displaySequence",
              "valueInteger": 5
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension": [
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              "url": "libraryName",
              "valueString": "SupportingEvidenceExample"
            },
            {
              "url": "name",
              "valueString": "Numerator Boolean"
            },
            {
              "url": "statement",
              "valueString": "define \"Numerator Boolean\":\n  exists \"Encounters in Period\""
            },
            {
              "url": "displaySequence",
              "valueInteger": 6
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "SupportingEvidenceExample"
            },
            {
              "url": "name",
              "valueString": "Encounter Cancelled"
            },
            {
              "url": "statement",
              "valueString": "define \"Encounter Cancelled\":\n    [Encounter] E\n       where E.status = 'cancelled'"
            },
            {
              "url": "displaySequence",
              "valueInteger": 7
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "SupportingEvidenceExample"
            },
            {
              "url": "name",
              "valueString": "Denominator Exclusion Boolean"
            },
            {
              "url": "statement",
              "valueString": "define \"Denominator Exclusion Boolean\":\n  exists \"Encounter Cancelled\""
            },
            {
              "url": "displaySequence",
              "valueInteger": 8
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "FHIRHelpers"
            },
            {
              "url": "name",
              "valueString": "ToString"
            },
            {
              "url": "statement",
              "valueString": "define function ToString(value EncounterStatus): value.value"
            },
            {
              "url": "displaySequence",
              "valueInteger": 9
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension": [
            {
              "url": "libraryName",
              "valueString": "FHIRHelpers"
            },
            {
              "url": "name",
              "valueString": "ToInterval"
            },
            {
              "url": "statement",
              "valueString": "/*\n@description: Converts the given [Period](https://hl7.org/fhir/datatypes.html#Period)\nvalue to a CQL DateTime Interval\n@comment: If the start value of the given period is unspecified, the starting\nboundary of the resulting interval will be open (meaning the start of the interval\nis unknown, as opposed to interpreted as the beginning of time).\n*/\ndefine function ToInterval(period FHIR.Period):\n    if period is null then\n        null\n    else\n        if period.\"start\" is null then\n            Interval(period.\"start\".value, period.\"end\".value]\n        else\n            Interval[period.\"start\".value, period.\"end\".value]"
            },
            {
              "url": "displaySequence",
              "valueInteger": 10
            }
          ],
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        }
      ],
      "name": "EffectiveDataRequirements",
      "status": "active",
      "type": {
        "coding": [
          {
            "system": "http://terminology.hl7.org/CodeSystem/library-type",
            "code": "module-definition"
          }
        ]
      },
      "relatedArtifact": [
        {
          "type": "depends-on",
          "display": "FHIR model information",
          "resource": "http://hl7.org/fhir/uv/cql/Library/FHIR-ModelInfo|4.0.1"
        },
        {
          "type": "depends-on",
          "display": "Library FHIRHelpers",
          "resource": "http://hl7.org/fhir/uv/cql/Library/FHIRHelpers|4.0.1"
        }
      ],
      "parameter": [
        {
          "name": "Measurement Period",
          "use": "in",
          "min": 0,
          "max": "1",
          "type": "Period"
        },
        {
          "name": "Denominator Boolean",
          "use": "out",
          "min": 0,
          "max": "1",
          "type": "boolean"
        },
        {
          "name": "Numerator Exclusion Boolean",
          "use": "out",
          "min": 0,
          "max": "1",
          "type": "boolean"
        },
        {
          "name": "Initial Population Boolean",
          "use": "out",
          "min": 0,
          "max": "1",
          "type": "boolean"
        },
        {
          "name": "Numerator Boolean",
          "use": "out",
          "min": 0,
          "max": "1",
          "type": "boolean"
        },
        {
          "name": "Denominator Exclusion Boolean",
          "use": "out",
          "min": 0,
          "max": "1",
          "type": "boolean"
        }
      ],
      "dataRequirement": [
        {
          "type": "Encounter",
          "profile": [
            "http://hl7.org/fhir/StructureDefinition/Encounter"
          ],
          "mustSupport": [
            "status",
            "period"
          ]
        }
      ]
    }
  ],
  "extension": [
    {
      "url": "http://hl7.org/fhir/uv/crmi/StructureDefinition/crmi-effectiveDataRequirements",
      "valueCanonical": "#effective-data-requirements"
    }
  ],
  "url": "http://hl7.org/fhir/uv/cqm/Measure/SupportingEvidenceExample",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.40.61.29.28"
    }
  ],
  "version": "2.0.0-ballot",
  "name": "SupportingEvidenceExample",
  "title": "Supporting Evidence Example",
  "status": "draft",
  "experimental": true,
  "date": "2025-08-13",
  "publisher": "HL7 International / Clinical Quality Information",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/cqi"
        }
      ]
    }
  ],
  "description": "Example measure illustrating the use of supporting evidence as a way to exchange additional information about particular populations within a measure.",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code": "001"
        }
      ]
    }
  ],
  "topic": [
    {
      "coding": [
        {
          "system": "http://loinc.org",
          "code": "57024-2",
          "display": "Health Quality Measure Document"
        }
      ]
    }
  ],
  "library": [
    "http://hl7.org/fhir/uv/cqm/Library/SupportingEvidenceExample"
  ],
  "scoring": {
    "coding": [
      {
        "system": "http://terminology.hl7.org/CodeSystem/measure-scoring",
        "code": "ratio"
      }
    ]
  },
  "group": [
    {
      "id": "group-1",
      "extension": [
        {
          "url": "http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-populationBasis",
          "valueCode": "boolean"
        }
      ],
      "population": [
        {
          "id": "initial-population",
          "code": {
            "coding": [
              {
                "system": "http://terminology.hl7.org/CodeSystem/measure-population",
                "code": "initial-population",
                "display": "Initial Population"
              }
            ]
          },
          "criteria": {
            "language": "text/cql-identifier",
            "expression": "Initial Population Boolean"
          }
        },
        {
          "id": "denominator",
          "extension": [
            {
              "url": "http://hl7.org/fhir/StructureDefinition/cqf-supportingEvidenceDefinition",
              "valueExpression": {
                "extension": [
                  {
                    "url": "http://hl7.org/fhir/StructureDefinition/expression-coding",
                    "valueCoding": {
                      "system": "http://example.org/fhir/CodeSystem/example-supporting-evidence-codes",
                      "code": "always-true",
                      "display": "Always True"
                    }
                  }
                ],
                "description": "Example of supporting evidence that is always true",
                "name": "AlwaysTrue",
                "language": "text/cql-identifier",
                "expression": "always true"
              }
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/cqf-supportingEvidenceDefinition",
              "valueExpression": {
                "extension": [
                  {
                    "url": "http://hl7.org/fhir/StructureDefinition/expression-coding",
                    "valueCoding": {
                      "system": "http://example.org/fhir/CodeSystem/example-supporting-evidence-codes",
                      "code": "denominator-resource",
                      "display": "Denominator Resource"
                    }
                  }
                ],
                "description": "Example of supporting evidence that is a Denominator Resource",
                "name": "DenominatorResource",
                "language": "text/cql-identifier",
                "expression": "Denominator Resource"
              }
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/cqf-supportingEvidenceDefinition",
              "valueExpression": {
                "extension": [
                  {
                    "url": "http://hl7.org/fhir/StructureDefinition/expression-coding",
                    "valueCoding": {
                      "system": "http://example.org/fhir/CodeSystem/example-supporting-evidence-codes",
                      "code": "list-of-boolean",
                      "display": "List of Boolean"
                    }
                  }
                ],
                "description": "Example of supporting evidence that is a list of boolean",
                "name": "ListOfBoolean",
                "language": "text/cql-identifier",
                "expression": "list of boolean"
              }
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/cqf-supportingEvidenceDefinition",
              "valueExpression": {
                "extension": [
                  {
                    "url": "http://hl7.org/fhir/StructureDefinition/expression-coding",
                    "valueCoding": {
                      "system": "http://example.org/fhir/CodeSystem/example-supporting-evidence-codes",
                      "code": "string",
                      "display": "String"
                    }
                  }
                ],
                "description": "Example of supporting evidence that is a string",
                "name": "String",
                "language": "text/cql-identifier",
                "expression": "string"
              }
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/cqf-supportingEvidenceDefinition",
              "valueExpression": {
                "extension": [
                  {
                    "url": "http://hl7.org/fhir/StructureDefinition/expression-coding",
                    "valueCoding": {
                      "system": "http://example.org/fhir/CodeSystem/example-supporting-evidence-codes",
                      "code": "date",
                      "display": "Date"
                    }
                  }
                ],
                "description": "Example of supporting evidence that is a date",
                "name": "Date",
                "language": "text/cql-identifier",
                "expression": "date"
              }
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/cqf-supportingEvidenceDefinition",
              "valueExpression": {
                "extension": [
                  {
                    "url": "http://hl7.org/fhir/StructureDefinition/expression-coding",
                    "valueCoding": {
                      "system": "http://example.org/fhir/CodeSystem/example-supporting-evidence-codes",
                      "code": "decimal",
                      "display": "Decimal"
                    }
                  }
                ],
                "description": "Example of supporting evidence that is a decimal",
                "name": "Decimal",
                "language": "text/cql-identifier",
                "expression": "decimal"
              }
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/cqf-supportingEvidenceDefinition",
              "valueExpression": {
                "extension": [
                  {
                    "url": "http://hl7.org/fhir/StructureDefinition/expression-coding",
                    "valueCoding": {
                      "system": "http://example.org/fhir/CodeSystem/example-supporting-evidence-codes",
                      "code": "number",
                      "display": "Number"
                    }
                  }
                ],
                "description": "Example of supporting evidence that is a number",
                "name": "Number",
                "language": "text/cql-identifier",
                "expression": "number"
              }
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/cqf-supportingEvidenceDefinition",
              "valueExpression": {
                "extension": [
                  {
                    "url": "http://hl7.org/fhir/StructureDefinition/expression-coding",
                    "valueCoding": {
                      "system": "http://example.org/fhir/CodeSystem/example-supporting-evidence-codes",
                      "code": "list-of-dates",
                      "display": "List of Dates"
                    }
                  }
                ],
                "description": "Example of supporting evidence that is a list of dates",
                "name": "ListOfDates",
                "language": "text/cql-identifier",
                "expression": "list of dates"
              }
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/cqf-supportingEvidenceDefinition",
              "valueExpression": {
                "extension": [
                  {
                    "url": "http://hl7.org/fhir/StructureDefinition/expression-coding",
                    "valueCoding": {
                      "system": "http://example.org/fhir/CodeSystem/example-supporting-evidence-codes",
                      "code": "list-of-numbers",
                      "display": "List of Numbers"
                    }
                  }
                ],
                "description": "Example of supporting evidence that is a list of numbers",
                "name": "ListOfNumbers",
                "language": "text/cql-identifier",
                "expression": "list of numbers"
              }
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/cqf-supportingEvidenceDefinition",
              "valueExpression": {
                "extension": [
                  {
                    "url": "http://hl7.org/fhir/StructureDefinition/expression-coding",
                    "valueCoding": {
                      "system": "http://example.org/fhir/CodeSystem/example-supporting-evidence-codes",
                      "code": "list-of-string",
                      "display": "List of String"
                    }
                  }
                ],
                "description": "Example of supporting evidence that is a list of string",
                "name": "ListOfString",
                "language": "text/cql-identifier",
                "expression": "list of string"
              }
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/cqf-supportingEvidenceDefinition",
              "valueExpression": {
                "extension": [
                  {
                    "url": "http://hl7.org/fhir/StructureDefinition/expression-coding",
                    "valueCoding": {
                      "system": "http://example.org/fhir/CodeSystem/example-supporting-evidence-codes",
                      "code": "test-tuple",
                      "display": "Test Tuple"
                    }
                  }
                ],
                "description": "Example of supporting evidence that is a tuple",
                "name": "TestTuple",
                "language": "text/cql-identifier",
                "expression": "test tuple"
              }
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/cqf-supportingEvidenceDefinition",
              "valueExpression": {
                "extension": [
                  {
                    "url": "http://hl7.org/fhir/StructureDefinition/expression-coding",
                    "valueCoding": {
                      "system": "http://example.org/fhir/CodeSystem/example-supporting-evidence-codes",
                      "code": "interval",
                      "display": "Interval"
                    }
                  }
                ],
                "description": "Example of supporting evidence that is an interval",
                "name": "Interval",
                "language": "text/cql-identifier",
                "expression": "interval"
              }
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/cqf-supportingEvidenceDefinition",
              "valueExpression": {
                "extension": [
                  {
                    "url": "http://hl7.org/fhir/StructureDefinition/expression-coding",
                    "valueCoding": {
                      "system": "http://example.org/fhir/CodeSystem/example-supporting-evidence-codes",
                      "code": "test-interval-list",
                      "display": "Test Interval List"
                    }
                  }
                ],
                "description": "Example of supporting evidence that is a list of intervals",
                "name": "TestIntervalList",
                "language": "text/cql-identifier",
                "expression": "TestIntervalList"
              }
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/cqf-supportingEvidenceDefinition",
              "valueExpression": {
                "extension": [
                  {
                    "url": "http://hl7.org/fhir/StructureDefinition/expression-coding",
                    "valueCoding": {
                      "system": "http://example.org/fhir/CodeSystem/example-supporting-evidence-codes",
                      "code": "test-decimal-list",
                      "display": "Test Decimal List"
                    }
                  }
                ],
                "description": "Example of supporting evidence that is a list of decimals",
                "name": "TestDecimalList",
                "language": "text/cql-identifier",
                "expression": "TestDecimalList"
              }
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/cqf-supportingEvidenceDefinition",
              "valueExpression": {
                "extension": [
                  {
                    "url": "http://hl7.org/fhir/StructureDefinition/expression-coding",
                    "valueCoding": {
                      "system": "http://example.org/fhir/CodeSystem/example-supporting-evidence-codes",
                      "code": "test-code",
                      "display": "Test Code"
                    }
                  }
                ],
                "description": "Example of supporting evidence that is a code",
                "name": "TestCode",
                "language": "text/cql-identifier",
                "expression": "test code"
              }
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/cqf-supportingEvidenceDefinition",
              "valueExpression": {
                "extension": [
                  {
                    "url": "http://hl7.org/fhir/StructureDefinition/expression-coding",
                    "valueCoding": {
                      "system": "http://example.org/fhir/CodeSystem/example-supporting-evidence-codes",
                      "code": "empty-list-example",
                      "display": "Empty List Example"
                    }
                  }
                ],
                "description": "Example of supporting evidence that is an empty list",
                "name": "EmptyListExample",
                "language": "text/cql-identifier",
                "expression": "EmptyListExample"
              }
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/cqf-supportingEvidenceDefinition",
              "valueExpression": {
                "extension": [
                  {
                    "url": "http://hl7.org/fhir/StructureDefinition/expression-coding",
                    "valueCoding": {
                      "system": "http://example.org/fhir/CodeSystem/example-supporting-evidence-codes",
                      "code": "null-example",
                      "display": "Null Example"
                    }
                  }
                ],
                "description": "Example of supporting evidence that is a null",
                "name": "NullExample",
                "language": "text/cql-identifier",
                "expression": "NullExample"
              }
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/cqf-supportingEvidenceDefinition",
              "valueExpression": {
                "extension": [
                  {
                    "url": "http://hl7.org/fhir/StructureDefinition/expression-coding",
                    "valueCoding": {
                      "system": "http://example.org/fhir/CodeSystem/example-supporting-evidence-codes",
                      "code": "patient-resource",
                      "display": "Patient Resource"
                    }
                  }
                ],
                "description": "Example of supporting evidence that is a Patient Resource",
                "name": "PatientResource",
                "language": "text/cql-identifier",
                "expression": "PatientRes"
              }
            },
            {
              "url": "http://hl7.org/fhir/StructureDefinition/cqf-supportingEvidenceDefinition",
              "valueExpression": {
                "extension": [
                  {
                    "url": "http://hl7.org/fhir/StructureDefinition/expression-coding",
                    "valueCoding": {
                      "system": "http://example.org/fhir/CodeSystem/example-supporting-evidence-codes",
                      "code": "list-test-tuple",
                      "display": "List Test Tuple"
                    }
                  }
                ],
                "description": "Example of supporting evidence that is a list of tuples",
                "name": "ListTestTuple",
                "language": "text/cql-identifier",
                "expression": "list test tuple"
              }
            }
          ],
          "code": {
            "coding": [
              {
                "system": "http://terminology.hl7.org/CodeSystem/measure-population",
                "code": "denominator",
                "display": "Denominator"
              }
            ]
          },
          "criteria": {
            "language": "text/cql-identifier",
            "expression": "Denominator Boolean"
          }
        },
        {
          "id": "denominator-exclusion",
          "code": {
            "coding": [
              {
                "system": "http://terminology.hl7.org/CodeSystem/measure-population",
                "code": "denominator-exclusion",
                "display": "Denominator Exclusion"
              }
            ]
          },
          "criteria": {
            "language": "text/cql-identifier",
            "expression": "Denominator Exclusion Boolean"
          }
        },
        {
          "id": "numerator-exclusion",
          "code": {
            "coding": [
              {
                "system": "http://terminology.hl7.org/CodeSystem/measure-population",
                "code": "numerator-exclusion",
                "display": "Numerator Exclusion"
              }
            ]
          },
          "criteria": {
            "language": "text/cql-identifier",
            "expression": "Numerator Exclusion Boolean"
          }
        },
        {
          "id": "numerator",
          "code": {
            "coding": [
              {
                "system": "http://terminology.hl7.org/CodeSystem/measure-population",
                "code": "numerator",
                "display": "Numerator"
              }
            ]
          },
          "criteria": {
            "language": "text/cql-identifier",
            "expression": "Numerator Boolean"
          }
        }
      ]
    }
  ]
}