Starter FHIR Implementation Guide
1.0.1 - draft
Starter FHIR Implementation Guide
1.0.1 - draft
Starter FHIR Implementation Guide, published by Jembi Health Systems. This guide is not an authorized publication; it is the continuous build for version 1.0.1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/jembi/Starter-FHIR-IG/ and changes regularly. See the Directory of published versions
| Official URL: http://jembi.org/fhir/Library/OutpatientViralLoadLibrary | Version: 1.0.1 | |||
| Draft as of 2024-11-17 | Computable Name: OutpatientViralLoadLibrary | |||
CQL Measure that reports on all outpatients who have a HIV viral load date within the reporting period.
Numerator: Count all outpatients who have an HIV viral load result within the reporting period.
Denominator: Count all patients where the encounter class is for outpatient and the encounter date is within the reporting period.
Generated Narrative: Library OutpatientViralLoadLibrary
| Depends On | Library FHIRHelpers | http://jembi.org/fhir/Library/FHIRHelpers|4.0.1 |
| Depends On | Library FHIRCommon | http://jembi.org/fhir/Library/FHIRCommon|4.0.1 |
| Depends On | Library HIVC | http://jembi.org/fhir/Library/HIVCommon |
| Depends On | Code System Encounter Class Codes | ActCode |
| Measurement Period | in | 0 | 1 | Period |
| Patient | out | 0 | 1 | Patient |
| Outpatient | out | 0 | * | Encounter |
| Initial Population | out | 0 | 1 | boolean |
| Denominator | out | 0 | 1 | boolean |
| Viral Load Results | out | 0 | * | Observation |
| Numerator | out | 0 | 1 | boolean |
| Type: Encounter (Encounter) | |
| Filter | Value |
| class | One of these codes: ActCode AMB: ambulatory |
text/cql
library OutpatientViralLoad version '0.1.0'
using FHIR version '4.0.1'
include FHIRHelpers version '4.0.1'
include FHIRCommon version '4.0.1'
include HIVCommon called HIVC
codesystem "Encounter Class Codes": 'http://terminology.hl7.org/CodeSystem/v3-ActCode'
code "Outpatient Encounter Class": 'AMB' from "Encounter Class Codes"
parameter "Measurement Period" Interval<DateTime>
default Interval[@2023-12-01, @2023-12-31] //For testing only
context Patient
define "Outpatient":
[Encounter: class = "Outpatient Encounter Class"] E
where E.period during "Measurement Period"
and E.status = 'finished'
define "Initial Population":
exists ( "Outpatient" )
define "Denominator":
"Initial Population"
define "Viral Load Results":
HIVC.ViralLoadResult ( "Measurement Period")
define "Numerator":
exists ( "Viral Load Results" )
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