Quality Measure Implementation Guide (STU5)
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Quality Measure Implementation Guide (STU5), published by HL7 International / Clinical Quality Information. This guide is not an authorized publication; it is the continuous build for version 5.0.0-ballot2 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/cqf-measures/ and changes regularly. See the Directory of published versions

Library: VTE ICU Library (Experimental)

Official URL: http://hl7.org/fhir/us/cqfmeasures/Library/VTEICU Version: 5.0.000
Active as of 2019-09-03 Computable Name: VTEICU
Other Identifiers: http://example.org/fhir/cqi/ecqm/Library/Identifier#VTEICU (use: official)

This library is used as an example in the FHIR Quality Measure Implementation Guide

Title: VTE ICU Library
Id: VTEICU
Version: 5.0.000
Url: VTE ICU Library
official

VTEICU

Experimental: true
Type:

system: LibraryType

code: logic-library

Date: 2019-09-03
Publisher: HL7 International / Clinical Quality Information
Description:

This library is used as an example in the FHIR Quality Measure Implementation Guide
Jurisdiction: US
Approval Date: 2019-08-03
Last Review Date: 2019-08-03
Related Artifacts:

Dependencies
Parameters:
NameTypeMinMaxIn/Out
Measurement PeriodPeriod01in
PatientPatient01out
Data Requirements:
TypeProfileMSCode Filter
Patient http://hl7.org/fhir/StructureDefinition/Patient
Encounter http://hl7.org/fhir/StructureDefinition/Encounter code filter:
path: type
value set: http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1111.143
Encounter http://hl7.org/fhir/StructureDefinition/Encounter code filter:
path: type
value set: http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.117.1.7.1.292
Location http://hl7.org/fhir/StructureDefinition/Location
Content: text/cql
/*
This example is a work in progress and should not be considered a final specification
or recommendation for guidance. This example will help guide and direct the process
of finding conventions and usage patterns that meet the needs of the various stakeholders
in the measure development community.

@update: BTR 2020-03-31 ->
Incremented version to 5.0.000
Updated FHIR version to 4.0.1
*/
library VTEICU version '5.0.000'

using FHIR version '4.0.1'

include FHIRHelpers version '4.0.1' called FHIRHelpers
// NOTE: BTR 2019-07-30: Updated dependencies
include MATGlobalCommonFunctions version '5.0.000' called Global

valueset "Intensive Care Unit": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1110.23'

parameter "Measurement Period" Interval<DateTime>
  default Interval[@2019-01-01T00:00:00.0, @2020-01-01T00:00:00.0)

context Patient

define function "FromDayOfStartOfHospitalizationToDayAfterAdmission"(Encounter FHIR.Encounter ):
	Interval[Global."ToDate"(start of Global."HospitalizationWithObservation"(Encounter)), Global."ToDate"(start of Encounter.period + 2 days))

define function "StartOfFirstICU"(Encounter FHIR.Encounter ):
	start of "FirstICULocationPeriod"(Encounter)

define function "FromDayOfStartOfHospitalizationToDayAfterFirstICU"(Encounter FHIR.Encounter ):
	Interval[Global."ToDate"(start of Global."HospitalizationWithObservation"(Encounter)), Global."ToDate"(StartOfFirstICU(Encounter)+ 2 days))

define function "FirstICULocationPeriod"(Encounter FHIR.Encounter ):
	"FirstInpatientIntensiveCareUnit"(Encounter).period

define function "FirstInpatientIntensiveCareUnit"(Encounter FHIR.Encounter ):
	First((Encounter.location)HospitalLocation
			where Global.GetLocation(HospitalLocation.location).type in "Intensive Care Unit"
				and HospitalLocation.period during Encounter.period
			sort by start of period
	)
Content: application/elm+xml
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