FHIR Extensions Pack
5.2.0-ballot - 5.2.0 Ballot - September 2024) International flag

FHIR Extensions Pack, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 5.2.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-extensions/ and changes regularly. See the Directory of published versions

Extension: CQF Library

Official URL: http://hl7.org/fhir/StructureDefinition/cqf-library Version: 5.2.0-ballot
Standards status: Trial-use Maturity Level: 3 Responsible: HL7 International / Clinical Decision Support Computable Name: CQFLibrary
Other Identifiers: OID:2.16.840.1.113883.4.642.5.1762

A reference to a Library containing the formal logic used by the artifact.

Context of Use

This extension may be used on the following element(s):

Usage info

Usage:

  • This Extension is not used by any profiles in this Implementation Guide

Changes since version 1.0.0:

  • The resource metadata has changed (publisher)
  • The data elements list has changed
  • One or more text definitions, invariants or bindings have changed

    • Formal Views of Extension Content

    Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

    This structure is derived from Extension

    Summary

    Simple Extension of type canonical: A reference to a Library containing the formal logic used by the artifact.

    Maturity: 3

     

    Other representations of profile: CSV, Excel, Schematron

    Constraints

    IdGradePath(s)DetailsRequirements
    ele-1error**ALL** elementsAll FHIR elements must have a @value or children
    : hasValue() or (children().count() > id.count())
    ext-1error**ALL** extensionsMust have either extensions or value[x], not both
    : extension.exists() != value.exists()

    R4B

    The extension is unchanged in R4B

    R4

    The extension is unchanged in R4

    R3

    The extension is represented a little differently in R3:

    • Map the type canonical to uri on the element Extension.value[x]
    • Note: Extensions that have been modified for R3 are still draft while real-world experience is collected
    Name Flags Card. Type Description & Constraints doco
    . . Extension 0..* Extension A library containing logic used by the artifact
    . . . extension 0 .. 0
    . . . url 1 .. 1 uri "http://hl7.org/fhir/StructureDefinition/cqf-library"
    . . . value[x] 1.. 1 uri Value of extension

    doco Documentation for this format

    Search Parameters for this Extension

    (none found)