Common CQL Artifacts for FHIR (US-Based)
2.0.0-ballot - Informative 2 Ballot

Common CQL Artifacts for FHIR (US-Based) - Downloaded Version null 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 | Highlight text changes?
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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