FHIR CI-Build
Clinical ReasoningThis is the Continuous Integration Build of FHIR (will be incorrect/inconsistent at times).
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| Responsible Owner: Clinical Quality Information Work Group | Standards Status: Informative | Compartments: No defined compartments |
Raw JSON (canonical form + also see JSON Format Specification)
Example of Continuous Variable Measure
{
"resourceType" : "Measure",
"id" : "measure-EXM55-FHIR",
"contained" : [{
"resourceType" : "Library",
"id" : "EXM55",
"extension" : [{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
"valueCode" : "cqi"
}],
"url" : "http://hl7.org/fhir/uv/cqm/Library/EXM55",
"identifier" : [{
"use" : "official",
"system" : "http://example.org/fhir/cqi/ecqm/Library/Identifier",
"value" : "EXM55"
}],
"version" : "5.0.0",
"name" : "EXM55",
"title" : "EXM55 - Median Emergency Department Visit Duration Library (Example Continuous Variable Measure Library)",
"status" : "active",
"experimental" : true,
"type" : {
"coding" : [{
"system" : "http://terminology.hl7.org/CodeSystem/library-type",
"code" : "logic-library"
}]
},
"date" : "2019-09-03",
"publisher" : "HL7 International / Clinical Quality Information",
"contact" : [{
"telecom" : [{
"system" : "url",
"value" : "http://www.hl7.org/Special/committees/cqi"
}]
}],
"description" : "This library is used as an example in the FHIR Continuous Variable Measure example",
"jurisdiction" : [{
"coding" : [{
"system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
"code" : "001"
}]
}],
"approvalDate" : "2019-08-03",
"lastReviewDate" : "2019-08-03",
"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" : "Patient",
"use" : "out",
"min" : 0,
"max" : "1",
"type" : "Patient"
},
{
"name" : "Inpatient Encounter",
"use" : "out",
"min" : 0,
"max" : "*",
"type" : "Encounter"
},
{
"name" : "Initial Population",
"use" : "out",
"min" : 0,
"max" : "*",
"type" : "Encounter"
},
{
"name" : "Measure Population",
"use" : "out",
"min" : 0,
"max" : "*",
"type" : "Encounter"
},
{
"name" : "Measure Population Exclusion",
"use" : "out",
"min" : 0,
"max" : "*",
"type" : "Encounter"
},
{
"name" : "Stratification 1",
"use" : "out",
"min" : 0,
"max" : "*",
"type" : "Encounter"
},
{
"name" : "Stratification 2",
"use" : "out",
"min" : 0,
"max" : "*",
"type" : "Encounter"
},
{
"name" : "Stratification 3",
"use" : "out",
"min" : 0,
"max" : "*",
"type" : "Encounter"
}],
"dataRequirement" : [{
"type" : "Patient",
"profile" : ["http://hl7.org/fhir/StructureDefinition/Patient"]
},
{
"type" : "Encounter",
"profile" : ["http://hl7.org/fhir/StructureDefinition/Encounter"],
"mustSupport" : ["period",
"use",
"rank",
"rank.value",
"condition",
"condition.reference"]
},
{
"type" : "Encounter",
"profile" : ["http://hl7.org/fhir/StructureDefinition/Encounter"],
"mustSupport" : ["type",
"status",
"period",
"use",
"rank",
"rank.value",
"condition",
"condition.reference",
"hospitalization",
"hospitalization.admitSource"]
},
{
"type" : "Condition",
"profile" : ["http://hl7.org/fhir/StructureDefinition/Condition"],
"mustSupport" : ["id"],
"codeFilter" : [{
"path" : "id"
}]
}],
"content" : [{
"contentType" : "text/cql",
"data" : "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"
}]
}],
"extension" : [{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
"valueCode" : "cqi"
}],
"url" : "http://hl7.org/fhir/uv/cqm/Measure/measure-EXM55-FHIR",
"identifier" : [{
"use" : "official",
"system" : "http://example.org/fhir/cqi/ecqm/Measure/Identifier/exm",
"value" : "55"
}],
"version" : "5.0.0",
"name" : "EXM55",
"title" : "EXM55 - Median Emergency Department Visit Duration",
"status" : "active",
"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" : "This example illustrates a continuous variable measure represented as a FHIR eCQM",
"useContext" : [{
"code" : {
"system" : "http://terminology.hl7.org/CodeSystem/usage-context-type",
"code" : "venue",
"display" : "Clinical Venue"
},
"valueCodeableConcept" : {
"coding" : [{
"system" : "http://hl7.org/fhir/uv/cqm/CodeSystem/intended-venue-codes",
"code" : "eh",
"display" : "EH"
}]
}
}],
"jurisdiction" : [{
"coding" : [{
"system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
"code" : "001"
}]
}],
"approvalDate" : "2019-03-08",
"lastReviewDate" : "2019-03-08",
"effectivePeriod" : {
"start" : "2018-01-01",
"end" : "2018-12-31"
},
"topic" : [{
"coding" : [{
"system" : "http://loinc.org",
"code" : "57024-2",
"display" : "Health Quality Measure Document"
}]
}],
"library" : ["#EXM55"],
"group" : [{
"id" : "group-1",
"type" : [{
"coding" : [{
"system" : "http://terminology.hl7.org/CodeSystem/measure-type",
"code" : "process"
}]
}],
"basis" : "Encounter",
"scoring" : {
"coding" : [{
"system" : "http://terminology.hl7.org/CodeSystem/measure-scoring",
"code" : "continuous-variable",
"display" : "Continuous Variable"
}]
},
"improvementNotation" : {
"coding" : [{
"system" : "http://terminology.hl7.org/CodeSystem/measure-improvement-notation",
"code" : "decrease",
"display" : "Decreased score indicates improvement"
}]
},
"population" : [{
"linkId" : "primary-exm55-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"
}
},
{
"linkId" : "primary-exm55-measure-population",
"code" : {
"coding" : [{
"system" : "http://terminology.hl7.org/CodeSystem/measure-population",
"code" : "measure-population",
"display" : "Measure Population"
}]
},
"criteria" : {
"language" : "text/cql-identifier",
"expression" : "Measure Population"
}
},
{
"linkId" : "primary-exm55-measure-population-exclusion",
"code" : {
"coding" : [{
"system" : "http://terminology.hl7.org/CodeSystem/measure-population",
"code" : "measure-population-exclusion",
"display" : "Measure Population Exclusion"
}]
},
"criteria" : {
"language" : "text/cql-identifier",
"expression" : "Measure Population Exclusion"
}
},
{
"linkId" : "primary-exm55-measure-population-identifier",
"code" : {
"coding" : [{
"system" : "http://terminology.hl7.org/CodeSystem/measure-population",
"code" : "measure-observation",
"display" : "Measure Observation"
}]
},
"criteria" : {
"language" : "text/cql-identifier",
"expression" : "Measure Observation"
},
"inputPopulationId" : "measure-population-identifier",
"aggregateMethod" : {
"coding" : [{
"system" : "http://hl7.org/fhir/CodeSystem/measure-aggregate-method",
"code" : "median",
"display" : "Median"
}]
}
}],
"stratifier" : [{
"linkId" : "primary-exm55-stratification-1",
"code" : {
"coding" : [{
"system" : "http://example.org/stratification",
"code" : "Stratification 1",
"display" : "Stratification 1"
}]
},
"criteria" : {
"language" : "text/cql-identifier",
"expression" : "Stratification 1"
}
},
{
"linkId" : "primary-exm55-stratification-2",
"code" : {
"coding" : [{
"system" : "http://example.org/stratification",
"code" : "Stratification 2",
"display" : "Stratification 2"
}]
},
"criteria" : {
"language" : "text/cql-identifier",
"expression" : "Stratification 2"
}
},
{
"linkId" : "primary-exm55-stratification-3",
"code" : {
"coding" : [{
"system" : "http://example.org/stratification",
"code" : "Stratification 3",
"display" : "Stratification 3"
}]
},
"criteria" : {
"language" : "text/cql-identifier",
"expression" : "Stratification 3"
}
}]
}]
}
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.
FHIR ®© HL7.org 2011+. FHIR R6 hl7.fhir.core#6.0.0-ballot3 generated on Fri, Nov 14, 2025 01:51+0000.
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