Quality Measure Implementation Guide (STU4)
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Quality Measure Implementation Guide (STU4), published by Clinical Quality Information WG. This is not an authorized publication; it is the continuous build for version 4.0.0-ballot). This version is based on the current content of https://github.com/HL7/cqf-measures/ and changes regularly. See the Directory of published versions

Example Measure: Measure with default value measurement period

Active as of 2022-02-22
Id: measure-exm-default
Url: http://hl7.org/fhir/us/cqfmeasures/Measure/measure-exm-default
Version: 5.0.0
Identifier:

value: 55

Name: EXM55
Title: Measure with default value measurement period
Status: active
Experimental: true
Scoring:

Continuous Variable

Improvement Notation:

Decreased score indicates improvement

Type:

process

Date: 2022-02-22
Publisher: Clinical Quality Information WG
Description:

This example illustrates a continuous variable measure represented as a FHIR eCQM
Populations:
GroupPopulationDescription
Initial Population
Measure Population
Measure Population Exclusion
Measure Observation
Use Context:
codevalue
program
Jurisdiction: US
Topic: 57024-2
Approval Date: 2019-03-08
Last Review Date: 2019-03-08
Effective Period: 2018-01-01..2018-12-31
Logic Definitions:
GroupScoringPopulation CriteriaExpression
Measure scoring:

Continuous Variable

Initial Population 
define "Initial Population" :
  "Inpatient Encounter" Encounter
    with ["Encounter" : "Emergency Department Visit"] ED
     such that ED.status = 'finished'
       and ED.period ends 1 hour or less before start of Encounter.period
Measure Population 
define "Measure Population" :
  "Initial Population"
Measure Population Exclusion 
define "Measure Population Exclusion" :
  "Inpatient Encounter" Encounter
    with ["Encounter" : "Emergency Department Visit"] ED
      such that ED.period ends 1 hour or less before start of Encounter.period
        and ED.status = 'finished'
        and ED.hospitalization.admitSource in "Hospital Settings"
Measure Observation
Library NameNamesequence
EXM55 Inpatient Encounter 
define "Inpatient Encounter" :
  ["Encounter"] Encounter
    where LengthInDays(Encounter.period) <= 120
      and Encounter.period ends during "Measurement Period"


Library NameNamesequence
EXM55 Stratification 3 
define "Stratification 3" :
  "Inpatient Encounter" Encounter
    where PrincipalDiagnosis(Encounter) is null


Library NameNamesequence
EXM55 Stratification 2 
define "Stratification 2" :
  "Inpatient Encounter" Encounter
    where PrincipalDiagnosis(Encounter).code in "Psychiatric/Mental Health Patient"


Library NameNamesequence
EXM55 Measure Population Exclusion 
define "Measure Population Exclusion" :
  "Inpatient Encounter" Encounter
    with ["Encounter" : "Emergency Department Visit"] ED
      such that ED.period ends 1 hour or less before start of Encounter.period
        and ED.status = 'finished'
        and ED.hospitalization.admitSource in "Hospital Settings"


Library NameNamesequence
EXM55 Stratification 1 
define "Stratification 1" :
  "Inpatient Encounter" Encounter
    where not (PrincipalDiagnosis(Encounter).code in "Psychiatric/Mental Health Patient")


Library NameNamesequence
EXM55 Initial Population 
define "Initial Population" :
  "Inpatient Encounter" Encounter
    with ["Encounter" : "Emergency Department Visit"] ED
     such that ED.status = 'finished'
       and ED.period ends 1 hour or less before start of Encounter.period


Library NameNamesequence
EXM55 Measure Population 
define "Measure Population" :
  "Initial Population"

Contained resources