Metadata Title Age Stratification Example Version 1.0.0 Identifier urn:oid:2.16.840.1.113883.4.642.40.61.28.3 Experimental true Jurisdiction 001 from http://unstats.un.org/unsd/methods/m49/m49.htm Topic FHIR Topic CQL Steward (Publisher) HL7 International / Clinical Quality Information Description This library provides an illustration of using the Time Period Ranges code system to construct computable age ranges as a stratification for measures. Type logic-library from http://terminology.hl7.org/CodeSystem/library-type Dependency Description: Library FHIRHelpers Resource: http://hl7.org/fhir/uv/cql/Library/FHIRHelpers|4.0.1 Canonical URL: http://hl7.org/fhir/uv/cql/Library/FHIRHelpers|4.0.1 Dependency Description: Code System Time Period Ranges Resource: Time Period Ranges Canonical URL: http://terminology.hl7.org/CodeSystem/time-period-ranges Data Requirement Type: Encounter Profile(s): Encounter Parameters Name Use Card. Type Documentation Measurement Period In 0..1 Period Patient Out 0..1 Patient Initial Population Out 0..1 boolean By Age Out 0..1 Coding Library Content CQL Content library AgeStratificationExample version '1.0.0' using FHIR version '4.0.1' include hl7.fhir.uv.cql.FHIRHelpers version '4.0.1' called FHIRHelpers codesystem "Time Period Ranges": 'http://terminology.hl7.org/CodeSystem/time-period-ranges' // { 'P0Y--P1Y', 'P1Y--P5Y', ... } // Age Groups code "P10Y--P15Y": 'P10Y--P15Y' from "Time Period Ranges" display '10-14 years' code "P15Y--P20Y": 'P15Y--P20Y' from "Time Period Ranges" display '15-19 years' code "P20Y--P9999Y": 'P20Y--P9999Y' from "Time Period Ranges" display '20+ years' parameter "Measurement Period" Interval<Date> default Interval[@2020-01-01, @2020-12-31] context Patient define "Initial Population": exists ( [Encounter] E where E.period during "Measurement Period" ) /* By Patient Age as of the start of the Measurement Period Age (10-14, 15-19, 20+) */ define "By Age": case when AgeInYearsAt(start of "Measurement Period") in Interval[10, 14] then "P10Y--P15Y" when AgeInYearsAt(start of "Measurement Period") in Interval[15, 19] then "P15Y--P20Y" when AgeInYearsAt(start of "Measurement Period") >= 20 then "P20Y--P9999Y" else null end ELM XML Content Encoded data ELM JSON Content Encoded data Generated using version 0.5.4 of the sample-content-ig Liquid templates
HL7 International / Clinical Quality Information
This library provides an illustration of using the Time Period Ranges code system to construct computable age ranges as a stratification for measures.