Quality Measure Implementation Guide
1.0.0 - STU 1 International flag

This page is part of the Quality Measure Implementation Guide (v1.0.0: STU 1) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version. For a full list of available versions, see the Directory of published versions

Library: TJC Overall Library (Experimental)

Official URL: http://hl7.org/fhir/uv/cqm/Library/TJCOverall Version: 4.0.000
Standards status: Informative Computable Name: TJCOverall
Other Identifiers: http://example.org/fhir/cqi/ecqm/Library/Identifier#TJCOverall (use: official, ), OID:2.16.840.1.113883.4.642.40.61.28.33

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

Metadata
Title TJC Overall Library
Version 4.0.000
Identifier TJCOverall
Identifier urn:oid:2.16.840.1.113883.4.642.40.61.28.33
Approval Date 2019-08-03
Last Review Date 2019-08-03
Experimental true
Jurisdiction Global (Whole world)
Steward (Publisher) HL7 International / Clinical Quality Information
Description

This library is used as an example in the FHIR Quality Measure Implementation Guide
Type Logic Library
Parameter Name: Measurement Period
Use: In
Min Cardinality: 0
Max Cardinality: 1
Type: Period
Parameter Name: Patient
Use: Out
Min Cardinality: 0
Max Cardinality: 1
Type: Patient
Parameter Name: Intervention Comfort Measures
Use: Out
Min Cardinality: 0
Max Cardinality: *
Type: Resource
Parameter Name: Non Elective Inpatient Encounter
Use: Out
Min Cardinality: 0
Max Cardinality: *
Type: Encounter
Parameter Name: All Stroke Encounter
Use: Out
Min Cardinality: 0
Max Cardinality: *
Type: Encounter
Parameter Name: Encounter with Principal Diagnosis and Age
Use: Out
Min Cardinality: 0
Max Cardinality: *
Type: Encounter
Parameter Name: Ischemic Stroke Encounter
Use: Out
Min Cardinality: 0
Max Cardinality: *
Type: Encounter
Parameter Name: Ischemic Stroke Encounters with Discharge Disposition
Use: Out
Min Cardinality: 0
Max Cardinality: *
Type: Encounter
Parameter Name: Comfort Measures during Hospitalization
Use: Out
Min Cardinality: 0
Max Cardinality: *
Type: Encounter
Data Requirement Type: Patient
Profile(s): Patient
Must Support Elements: birthDate
Data Requirement Type: ServiceRequest
Profile(s): ServiceRequest
Must Support Elements: code, intent
Code Filter(s):
Path: code
ValueSet: Comfort Measures
Data Requirement Type: Procedure
Profile(s): Procedure
Must Support Elements: code, status
Code Filter(s):
Path: code
ValueSet: Comfort Measures
Data Requirement Type: Encounter
Profile(s): Encounter
Must Support Elements: type, period, hospitalization, hospitalization.dischargeDisposition
Code Filter(s):
Path: type
ValueSet: Nonelective Inpatient Encounter
Library Content
CQL Content 
/*
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.
*/
library TJCOverall version '4.0.000'

using FHIR version '4.0.1'

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

include MATGlobalCommonFunctions version '5.0.000' called Global
include SupplementalDataElements version '2.0.000' called SDE

codesystem "SNOMEDCT": 'http://snomed.info/sct'
codesystem "LOINC": 'http://loinc.org'

valueset "Comfort Measures": 'http://cts.nlm.nih.gov/fhir/ValueSet/1.3.6.1.4.1.33895.1.3.0.45'
valueset "Discharge To Acute Care Facility": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.117.1.7.1.87'
valueset "Discharged to Health Care Facility for Hospice Care": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.117.1.7.1.207'
valueset "Discharged to Home for Hospice Care": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.117.1.7.1.209'
valueset "Emergency Department Visit": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.117.1.7.1.292'
valueset "Encounter Inpatient": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.666.5.307'
valueset "Hemorrhagic Stroke": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.117.1.7.1.212'
valueset "Ischemic Stroke": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.117.1.7.1.247'
valueset "Left Against Medical Advice": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.117.1.7.1.308'
valueset "Non-Elective Inpatient Encounter": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.117.1.7.1.424'
valueset "Patient Expired": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.117.1.7.1.309'
valueset "Ticagrelor Therapy": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1110.39'
valueset "Observation Services": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1111.143'

code "Birth date": '21112-8' from "LOINC" display 'Birth date'

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

context Patient

define "Intervention Comfort Measures":
	(["ServiceRequest": "Comfort Measures"] P
		where P.intent = 'order')
		union
		(["Procedure": "Comfort Measures"] InterventionPerformed
		where InterventionPerformed.status = 'completed')

define "All Stroke Encounter":
	"Non Elective Inpatient Encounter" NonElectiveEncounter
    where Global.PrincipalDiagnosis(NonElectiveEncounter).code in "Hemorrhagic Stroke"
      or Global.PrincipalDiagnosis(NonElectiveEncounter).code in "Ischemic Stroke"

define "Ischemic Stroke Encounter":
	"Encounter with Principal Diagnosis and Age" EncounterWithAge
		where Global.PrincipalDiagnosis(EncounterWithAge).code in "Ischemic Stroke"

define "Non Elective Inpatient Encounter":
	["Encounter": "Non-Elective Inpatient Encounter"] NonElectiveEncounter
		where Global."LengthInDays"(NonElectiveEncounter.period) <= 120
			and NonElectiveEncounter.period ends during "Measurement Period"

define "Ischemic Stroke Encounters with Discharge Disposition":
	"Ischemic Stroke Encounter" IschemicStrokeEncounter
		where IschemicStrokeEncounter.hospitalization.dischargeDisposition in "Discharge To Acute Care Facility"
			or IschemicStrokeEncounter.hospitalization.dischargeDisposition in "Left Against Medical Advice"
			or IschemicStrokeEncounter.hospitalization.dischargeDisposition in "Patient Expired"
			or IschemicStrokeEncounter.hospitalization.dischargeDisposition in "Discharged to Home for Hospice Care"
			or IschemicStrokeEncounter.hospitalization.dischargeDisposition in "Discharged to Health Care Facility for Hospice Care"

define "Comfort Measures during Hospitalization":
	"Ischemic Stroke Encounter" IschemicStrokeEncounter
   	with "Intervention Comfort Measures" ComfortMeasure
    	such that FHIRHelpers.ToDateTime(Coalesce(ComfortMeasure.performed as dateTime,ComfortMeasure.authoredOn)) during Global."HospitalizationWithObservation"(IschemicStrokeEncounter)

define "Encounter with Principal Diagnosis and Age":
	"All Stroke Encounter" AllStrokeEncounter
		with ["Patient"] BirthDate
			such that Global."CalendarAgeInYearsAt"(FHIRHelpers.ToDate(BirthDate.birthDate), start of FHIRHelpers.ToInterval(AllStrokeEncounter.period)) >= 18

define function "CalendarDayOfOrDayAfter"(StartValue DateTime ):
	Interval(Global."ToDate"(StartValue), Global."ToDate"(StartValue + 2 days))
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