Quality Measure Implementation Guide
2.0.0-ballot - STU 2 Ballot

Quality Measure Implementation Guide - Downloaded Version null See the Directory of published versions

## Library: Terminology Library

Official URL: http://hl7.org/fhir/uv/cqm/Library/Terminology | Version: 1.0.0 | Highlight text changes?
Standards status: Trial-use Draft as of 2026-04-07 | Maturity Level: 4 | Computable Name: Terminology
Other Identifiers: OID:2.16.840.1.113883.4.642.40.61.28.35

This library is the primary measure library for the terminology example measure

Metadata
Title | Terminology Library
Version | 1.0.0
Identifier | urn:oid:2.16.840.1.113883.4.642.40.61.28.35
Status | Draft
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 is the primary measure library for the terminology example measure
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: Library FHIRCommon Resource: http://hl7.org/fhir/uv/cql/Library/FHIRCommon|2.0.0 Canonical URL: `http://hl7.org/fhir/uv/cql/Library/FHIRCommon|2.0.0`
Dependency | Description: Library Common Resource: Common Terminology Libraryversion: null1.0.0) Canonical URL: `http://hl7.org/fhir/uv/cqm/Library/CommonTerminologies|1.0.0`
Dependency | Description: Value Set Encounter Inpatient SNOMEDCT Value Set Resource: http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.666.5.307|20260210 Canonical URL: `http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.666.5.307|20260210`
Data Requirement | Type: Encounter Profile(s): Encounter Code Filter(s): Path: type ValueSet: http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.666.5.307|20260210
Data Requirement | Type: Procedure Profile(s): Procedure Code Filter(s): Path: code Code(s): SNOMED CT: 442023007 (442023007) (version = http://snomed.info/sct/731000124108/version/201709 )
Parameters
Name | Use | Card. | Type | Documentation
Measurement Period | In | 0..1 | Period |
Inpatient Encounter | Out | 0..* | Encounter |
Venous Foot Pumps Applied | Out | 0..* | Procedure |
Initial Population | Out | 0..* | Encounter |
Library Content
CQL Content |
    /*
    This example is purely for illustration purposes to show how all the elements of a
    FHIR-based quality measure are represented. It is intentionally simplified to show
    specific aspects of a measure, and is not intended as an example of a clinically
    meaningful measure.
    */
    library Terminology version '1.0.0'

    using FHIR version '4.0.1'

    include hl7.fhir.uv.cql.FHIRHelpers version '4.0.1' called FHIRHelpers
    include hl7.fhir.uv.cql.FHIRCommon version '2.0.0' called FHIRCommon

    include CommonTerminologies version '1.0.0' called Common

    // NOTE: Versioning is used in this example to illustrate completely how versioning is applied
    // References to specific versions of code systems and value sets should be used only when necessary

    valueset "Encounter Inpatient SNOMEDCT Value Set":
       'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.666.5.307|20260210'

    code "Venous foot pump, device (physical object)": '442023007' from Common."SNOMED CT:2017-09"
    code "Right foot": '7769000' from Common."SNOMED CT:2017-09"

    parameter "Measurement Period" Interval<DateTime>

    define "Inpatient Encounter":
      ["Encounter": type in "Encounter Inpatient SNOMEDCT Value Set"] E
        where E.status = 'finished'

    define "Venous Foot Pumps Applied":
      ["Procedure": code ~ "Venous foot pump, device (physical object)"] D
        where D.status = 'completed'
          and D.bodySite.includesCode("Right foot")

    define "Initial Population":
      "Inpatient Encounter"
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