WHO SMART Guidelines - HIV
0.4.4 - ci-build

WHO SMART Guidelines - HIV, published by WHO. This guide is not an authorized publication; it is the continuous build for version 0.4.4 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/smart-hiv/tree/main and changes regularly. See the Directory of published versions

Measure: HIV.IND.89 HCV positivity, HIV-positive clients (Experimental)

Official URL: http://smart.who.int/hiv/Measure/HIVIND89 Version: 0.4.4
Draft as of 2024-08-18 Computable Name: HIVIND89

% of people living with HIV with a positive HCV test result (HCV antibody, HCV RNA (PCR) or HCV core antigen) during the reporting period

Knowledge Artifact Metadata
Name (machine-readable) HIVIND89
Title (human-readable) HIV.IND.89 HCV positivity, HIV-positive clients
Status Draft
Experimental true
Description

% of people living with HIV with a positive HCV test result (HCV antibody, HCV RNA (PCR) or HCV core antigen) during the reporting period
Measure Steward WHO
Steward Contact Details WHO: http://who.int
Measure Metadata
Version Number 0.4.4
Measure Scoring Proportion
Improvement Notation Decreased score indicates improvement
Population Basis boolean
Measure Population Criteria
Initial Population ID: HIV.IND.89.IP
Description:

Initial Population

Logic Definition: Initial Population
Denominator ID: HIV.IND.89.DEN
Description:

Number of people living with HIV who were tested for HCV during the reporting period

Logic Definition: Denominator
Numerator ID: HIV.IND.89.NUM
Description:

Number of people living with HIV newly identified with a positive HCV test (HCV antibody, HCV RNA (PCR) or HCV core antigen) during the reporting period

Logic Definition: Numerator
Measure Logic
Primary Library HIV.IND.89 Logic
Dependency Description: FHIR model information
Resource: http://fhir.org/guides/cqf/common/Library/FHIR-ModelInfo|4.0.1
Canonical URL: http://fhir.org/guides/cqf/common/Library/FHIR-ModelInfo|4.0.1
Dependency Description: Library HIE
Resource: HIVIndicatorElements
Canonical URL: http://smart.who.int/hiv/Library/HIVIndicatorElements
Dependency Description: Library Elements
Resource: HIVElements
Canonical URL: http://smart.who.int/hiv/Library/HIVElements
Dependency Description: Library Concepts
Resource: http://smart.who.int/hiv/Library/HIVConcepts|0.0.2
Canonical URL: http://smart.who.int/hiv/Library/HIVConcepts|0.0.2
Dependency Description: Library FHIRHelpers
Resource: http://fhir.org/guides/cqf/common/Library/FHIRHelpers|4.0.1
Canonical URL: http://fhir.org/guides/cqf/common/Library/FHIRHelpers|4.0.1
Dependency Description: Library ConceptsCustom
Resource: http://smart.who.int/hiv/Library/HIVConceptsCustom|0.0.1
Canonical URL: http://smart.who.int/hiv/Library/HIVConceptsCustom|0.0.1
Dependency Description: Library WC
Resource: WHOCommon
Canonical URL: http://smart.who.int/hiv/Library/WHOCommon
Dependency Description: Code system HIVConcepts
Resource: WHO SMART HIV Concepts CodeSystem
Canonical URL: http://smart.who.int/hiv/CodeSystem/HIVConcepts
Dependency Description: Code system ConditionClinicalStatusCodes
Resource: Condition Clinical Status Codes
Canonical URL: http://terminology.hl7.org/CodeSystem/condition-clinical
Dependency Description: Code system ConditionCategoryCodes
Resource: Condition Category Codes
Canonical URL: http://terminology.hl7.org/CodeSystem/condition-category
Direct Reference Code Display: HIV-positive
Code: HIV.B.DE116
System: http://smart.who.int/hiv/CodeSystem/HIVConcepts
Direct Reference Code Code: active
System: http://terminology.hl7.org/CodeSystem/condition-clinical
Direct Reference Code Display: Encounter Diagnosis
Code: encounter-diagnosis
System: http://terminology.hl7.org/CodeSystem/condition-category
Direct Reference Code Display: HIV status
Code: HIV.B.DE115
System: http://smart.who.int/hiv/CodeSystem/HIVConcepts
Direct Reference Code Display: HCV test result
Code: HIV.D.DE170
System: http://smart.who.int/hiv/CodeSystem/HIVConcepts
Direct Reference Code Display: Positive
Code: HIV.D.DE171
System: http://smart.who.int/hiv/CodeSystem/HIVConcepts
Parameter Name: Measurement Period
Use: In
Min Cardinality: 0
Max Cardinality: 1
Type: Period
Parameter Name: Numerator
Use: Out
Min Cardinality: 0
Max Cardinality: 1
Type: boolean
Parameter Name: Denominator
Use: Out
Min Cardinality: 0
Max Cardinality: 1
Type: boolean
Parameter Name: Initial Population
Use: Out
Min Cardinality: 0
Max Cardinality: 1
Type: boolean
Measure Logic Data Requirements
Data Requirement Type: Condition
Profile(s): Condition
Must Support Elements: code, clinicalStatus, category, onset
Code Filter(s):
Path: code
Code:
Data Requirement Type: Observation
Profile(s): Observation
Must Support Elements: code, status, value, issued, effective
Code Filter(s):
Path: code
Code:
Data Requirement Type: Observation
Profile(s): Observation
Must Support Elements: code, status, value, effective, effective.low
Code Filter(s):
Path: code
Code:
Measure Logic Definitions
Logic Definition Library Name: HIVElements 
define "HIV Status Positive Condition":
  [Condition: Concepts."HIV-positive - HIV.B.DE116"] C
    where C.clinicalStatus ~ ConceptsCustom."active"
      and exists(C.category CC where CC ~ ConceptsCustom."encounter-diagnosis")
    sort by start of onset.toInterval()
Logic Definition Library Name: HIVIndicatorElements 
define "HIV Status Positive Condition":
  Elements."HIV Status Positive Condition" C
  where C.onset before end of "Measurement Period"
Logic Definition Library Name: HIVElements 
/* End of HIV-inconclusive */

/*
@dataElement: HIV.B.DE115 - HIV status
@activity: HIV.B7 Test for HIV using testing algorithm
@description: HIV status reported after applying the national HIV testing algorithm. No single HIV test can provide an HIV-positive diagnosis.
*/
define "HIV Status Observation":
  [Observation: Concepts."HIV status"] O
    where O.status in { 'final', 'amended', 'corrected' }
Logic Definition Library Name: HIVElements 
define "HIV Status Positive Observation":
"HIV Status Observation" O
    where O.value ~ Concepts."HIV-positive - HIV.B.DE116"
      sort by start of effective.toInterval()
Logic Definition Library Name: HIVIndicatorElements 
define "HIV Status Positive Observation":
  Elements."HIV Status Positive Observation" O
  where O.issued before end of "Measurement Period"
  or O.effective.toInterval() starts before end of "Measurement Period"
Logic Definition Library Name: HIVIndicatorElements 
define "Has HIV-positive Status":
  exists "HIV Status Positive Condition"
  or exists "HIV Status Positive Observation"
Logic Definition Library Name: HIVElements 
/* End of HCV test date D.DE169 */


/*
@dataElement: HIV.D.DE170 - HCV test result
@activity: HIV.D12 Determine recommended screenings and tests
@description: Hepatitis C virus test result (HCV antibody, HCV RNA or HCV core antigen)
*/

define "HCV test result D.DE170":
  [Observation: Concepts."HCV test result - HIV.D.DE170"] O
    where O.status in { 'final', 'amended', 'corrected' }
Logic Definition Library Name: HIVElements 
/* End of HCV test result D.DE170 */

/*
@dataElement: HIV.D.DE171 - Positive
@activity: HIV.D12 Determine recommended screenings and tests
@description: HCV test result was positive
*/

define "Positive D.DE171":
  "HCV test result D.DE170" O
  where O.value ~ Concepts."Positive - HIV.D.DE171"
Logic Definition Library Name: HIVIndicatorElements 
/* End of HCV test result D.DE170 */

/*
@dataElement: HIV.D.DE171 - Positive
@activity: HIV.D12 Determine recommended screenings and tests
@description: HCV test result was positive
*/

define "Positive D.DE171":
  Elements."Positive D.DE171" O
    where O.effective.toInterval() during "Measurement Period"
Logic Definition Library Name: HIVIND89Logic 
/**
 * Numerator
 * 
 * Definition: Number of people living with HIV newly identified with a positive HCV test (HCV antibody, HCV RNA (PCR) or HCV core antigen) during the reporting period
 * Calculation: COUNT of clients with "HIV status"='HIV-positive' AND with "HCV test date" in the reporting period AND "HCV test result"='HCV positive'
 */

define "Numerator":
  HIE."Has HIV-positive Status" and
  exists(HIE."Positive D.DE171")
Logic Definition Library Name: HIVIndicatorElements 
/* End of HCV test date D.DE169 */

/*
@dataElement: HIV.D.DE170 - HCV test result
@activity: HIV.D12 Determine recommended screenings and tests
@description: Hepatitis C virus test result (HCV antibody, HCV RNA or HCV core antigen)
*/

define "HCV test result D.DE170":
  Elements."HCV test result D.DE170" O
    where O.effective.toInterval() during "Measurement Period"
Logic Definition Library Name: HIVIndicatorElements 
/* End of HBV treatment TDF start date */

/*
@dataElement: HIV.D.DE169 - HCV test date
@activity: HIV.D12 Determine recommended screenings and tests
@description: Date client was tested for hepatitis C virus (HCV antibody, HCV RNA or HCV core antigen)
*/

define "HCV test date D.DE169":
  "HCV test result D.DE170" O
  return O.effective.toInterval().low
Logic Definition Library Name: HIVIND89Logic 
/**
 * Denominator
 *
 * Definition: Number of people living with HIV who were tested for HCV during the reporting period
 * Calculation: COUNT of clients with "HIV status"='HIV-positive' AND with "HCV test date" in the reporting period
 */

define "Denominator":
  HIE."Has HIV-positive Status" and exists(HIE."HCV test date D.DE169")
Logic Definition Library Name: HIVIND89Logic 
/* Populations */

/*
 *Initial Population
 */

define "Initial Population":
  true
Logic Definition Library Name: FHIRHelpers 
define function ToConcept(concept FHIR.CodeableConcept):
    if concept is null then
        null
    else
        System.Concept {
            codes: concept.coding C return ToCode(C),
            display: concept.text.value
        }
Logic Definition Library Name: FHIRHelpers 
define function ToCode(coding FHIR.Coding):
    if coding is null then
        null
    else
        System.Code {
          code: coding.code.value,
          system: coding.system.value,
          version: coding.version.value,
          display: coding.display.value
        }
Logic Definition Library Name: FHIRHelpers 
define function ToDateTime(value dateTime): value.value
Logic Definition Library Name: FHIRHelpers 
define function ToString(value ObservationStatus): value.value
Logic Definition Library Name: FHIRHelpers 
define function ToDateTime(value instant): value.value
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