Common CQL Artifacts for FHIR (US-Based)
2.0.0-ballot - Informative 2 Ballot United States of America flag

This page is part of the Common CQL Assets for FHIR (US-Based) (v2.0.0-ballot: Informative 2 Ballot 1) based on FHIR (HL7® FHIR® Standard) R4. This version is a pre-release. The current official version is 1.0.0. For a full list of available versions, see the Directory of published versions

Library: CARIN Blue Button Common

Official URL: http://hl7.org/fhir/us/cql/Library/C4BBCommon Version: 2.0.0-ballot
Standards status: Informative Active as of 2026-04-03 Maturity Level: 3 Computable Name: C4BBCommon

This library defines functions to expose extensions defined in CARIN Blue Button as fluent functions in CQL, as well as common terminology and functions used in writing CQL with FHIR and CARIN Blue Button profiles.

Metadata
Title CARIN Blue Button Common
Version 2.0.0-ballot
Jurisdiction United States of America
Topic FHIR
Topic CQL
Steward (Publisher) HL7 International / Clinical Decision Support
Description

This library defines functions to expose extensions defined in CARIN Blue Button as fluent functions in CQL, as well as common terminology and functions used in writing CQL with FHIR and CARIN Blue Button profiles.
Type logic-library from http://terminology.hl7.org/CodeSystem/library-type
Dependency Description: Model C4BB
Resource: CARIN Blue Button Model Informationversion: null2.1.1-derived)
Canonical URL: http://hl7.org/fhir/us/cql/Library/C4BB-ModelInfo|2.1.1-derived
Parameters
Parameter None
Library Content
CQL Content 
library C4BBCommon version '2.0.0-ballot'

using USCore version '6.1.0-derived'
using C4BB version '2.1.1-derived'
ELM XML Content 
Encoded data
ELM JSON Content 
Encoded data
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