Quality Measure Implementation Guide
2.0.0 - STU 2 International flag

Quality Measure Implementation Guide, published by HL7 International / Clinical Quality Information. This guide is not an authorized publication; it is the continuous build for version 2.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-cqm/ and changes regularly. See the Directory of published versions

Library: EXM Aggregate (Experimental)

Official URL: http://hl7.org/fhir/uv/cqm/Library/EXMAggregate Version: 2.0.0
Standards status: Informative Computable Name: EXMAggregate
Other Identifiers: OID:2.16.840.1.113883.4.642.40.61.28.14

This library provides an example of logic for computing aggregates based on the results of measure calculations (i.e. aggregate calculation using MeasureReport resources).

Metadata
Title EXM Aggregate
Version 2.0.0
Identifier urn:oid:2.16.840.1.113883.4.642.40.61.28.14
Experimental true
Jurisdiction http://unstats.un.org/unsd/methods/m49/m49.htm#001
Topic FHIR
Topic CQL
Steward (Publisher) HL7 International / Clinical Quality Information
Description

This library provides an example of logic for computing aggregates based on the results of measure calculations (i.e. aggregate calculation using MeasureReport resources).
Type http://terminology.hl7.org/CodeSystem/library-type#logic-library
Data Requirement Type: MeasureReport
Profile(s): MeasureReport
Parameters
Name Use Card. Type Documentation
Measurement Period In 0..1 Period
Location Out 0..1 Location
Initial Population Out 0..* MeasureReport
Measure Population Out 0..* MeasureReport
Library Content
CQL Content 
library EXMAggregate

using FHIR version '4.0.1'

include hl7.fhir.uv.cql.FHIRHelpers version '4.0.1' called FHIRHelpers

parameter "Measurement Period" Interval<DateTime>

context Location

define "Initial Population":
  [MeasureReport] MR
    where MR.measure.value = 'http://example.org/fhir/Measure/malnutrition-assessment'
      and MR.status.value = 'complete'
      and MR.date.value during "Measurement Period"

define "Measure Population":
  "Initial Population"

/* Continuous variable measure with Sum as the aggregate method */
define function "Measure Observation"(measureReport MeasureReport):
  measureReport.group[0].measureScore.value.value
ELM XML Content 
Encoded data
ELM JSON Content 
Encoded data
Citations and References
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
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