Chronic Disease Surveillance
0.1.0 - CI Build International flag

Chronic Disease Surveillance, published by Clinical Quality Framework. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/cqframework/aphl-chronic-ig/ and changes regularly. See the Directory of published versions

Library: Seen Patients (Experimental)

Official URL: http://fhir.org/guides/cqf/aphl/chronic-ds/Library/SeenPatients Version: 0.1.0
Active as of 2025-09-25 Computable Name: SeenPatients
Metadata
Title Seen Patients
Version 0.1.0
Experimental true
Jurisdiction 001 from http://unstats.un.org/unsd/methods/m49/m49.htm
Steward (Publisher) Clinical Quality Framework
Type logic-library from http://terminology.hl7.org/CodeSystem/library-type
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: SDE Ethnicity
Use: Out
Min Cardinality: 0
Max Cardinality: *
Type: Coding
Parameter Name: SDE Payer
Use: Out
Min Cardinality: 0
Max Cardinality: *
Type: Resource
Parameter Name: SDE Race
Use: Out
Min Cardinality: 0
Max Cardinality: *
Type: Coding
Parameter Name: SDE Sex
Use: Out
Min Cardinality: 0
Max Cardinality: 1
Type: Coding
Parameter Name: SDE Age
Use: Out
Min Cardinality: 0
Max Cardinality: 1
Type: integer
Parameter Name: Stratifier Age Group
Use: Out
Min Cardinality: 0
Max Cardinality: 1
Type: Coding
Parameter Name: SDE State of Residence
Use: Out
Min Cardinality: 0
Max Cardinality: 1
Type: string
Parameter Name: SDE Postal Code of Residence
Use: Out
Min Cardinality: 0
Max Cardinality: 1
Type: string
Parameter Name: SDE Food Insecurity Risk Status
Use: Out
Min Cardinality: 0
Max Cardinality: 1
Type: CodeableConcept
Parameter Name: Initial Population
Use: Out
Min Cardinality: 0
Max Cardinality: 1
Type: boolean
Data Requirement Type: Patient
Profile(s): Patient
Data Requirement Type: Encounter
Profile(s): Encounter
Must Support Elements: period
Library Content
CQL Content 
library SeenPatients version '0.1.0'

using FHIR version '4.0.1'

include FHIRHelpers version '4.1.000'
include SupplementalDataElementsFHIR4 version '2.0.000' called SDE
include SurveillanceDataElementsFHIR4 version '1.0.000' called SurveillanceDataElements

parameter "Measurement Period" default Interval[@2025-01-01T00:00:00.0, @2026-01-01T00:00:00.0)

context Patient

define "SDE Ethnicity":
  SDE."SDE Ethnicity"

define "SDE Payer":
  SDE."SDE Payer"

define "SDE Race":
  SDE."SDE Race"

define "SDE Sex":
  SDE."SDE Sex"

define "SDE Age":
  SurveillanceDataElements."Age"

define "Stratifier Age Group":
  SurveillanceDataElements."Age Group"

define "SDE State of Residence":
  SurveillanceDataElements."State of Residence"

define "SDE Postal Code of Residence":
  SurveillanceDataElements."Postal Code of Residence"

define "SDE Food Insecurity Risk Status":
  SurveillanceDataElements."Food Insecurity Risk Status"

define "Initial Population":
  exists (
    [Encounter] E
      where E.period ends during "Measurement Period"
  )
ELM XML Content 
Encoded data (20964 characters)
ELM JSON Content 
Encoded data (37224 characters)
Generated using version 0.5.1-cibuild of the sample-content-ig Liquid templates