Unattributed Code Systems

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Copyright and Registered Trademark Uses

• IG © 2014+ Clinical Decision Support WG. Package hl7.cql#2.0.0-ballot based on FHIR 4.0.1. Generated 2025-08-09 Links: Table of Contents | QA Report | License | Version History | Propose a change ( src )
• hl7.fhir.us.hai: Healthcare Associated Infection Implementation Guide ®© HL7 | CC0 ( src )
• Copyright © 2014+ Health Level Seven International ® ALL RIGHTS RESERVED. The reproduction of this material in any form is strictly forbidden without the written permission of the publisher. HL7 and Health Level Seven are registered trademarks of Health Level Seven International. Reg. U.S. Pat & TM Off. ( src )
• FHIR® ( src )
• FHIR® – Fast Healthcare Interoperability Resources (hl7.org/fhir) – is a next generation standards framework created by HL7. FHIR combines the best features of HL7’s Version 2, Version 3 and CDA® product lines while leveraging the latest web standards and applying a tight focus on implementability. ( src )
• This material contains content from LOINC® (http://loinc.org). The LOINC table, LOINC codes, and LOINC panels and forms file are copyright (c) 1995+, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and available at no cost under the license at http://loinc.org/terms-of-use. ( src )
• This material contains content from the Unified Code for Units of Measure (UCUM) (http://unitsofmeasure.org). The UCUM specification is copyright (c) 1999+, Regenstrief Institute, Inc. and available at no cost under the license at http://unitsofmeasure.org/trac/wiki/TermsOfUse. ( src )
• This material contains quality measure content developed by the National Committee for Quality Assurance (NCQA). The measure content is copyright (c) 2008+ National Committee for Quality Assurance and used in accordance with the NCQA license terms for non-commercial use. ( src )
• This material includes SNOMED Clinical Terms ® (SNOMED CT®), which are used by permission of the International Health Terminology Standards Development Organization (IHTSDO). All rights reserved. SNOMED CT was originally created by The College of American Pathologists. "SNOMED ®" and "SNOMED CT ®" are registered trademarks of the IHTSDO. ( src )
• define "RolledOutIntervals": MedicationRequestIntervals M aggregate R starting (null as List<Interval<DateTime>>): R union ({ M X let S: Max({ end of Last(R) + 1 day, start of X }), E: S + duration in days of X return Interval[S, E] }) ( src )
• define NullListQuery: (null as List<FHIR.CodeableConcept>) X return Concept { codes: X.coding C return FHIRHelpers.ToCode(C) } ( src )
• define NullObjectQuery: (null as FHIR.CodeableConcept) X return Concept { codes: X.coding C return FHIRHelpers.ToCode(C) } ( src )
• https://github.com/samply/blaze: A FHIR® server with internal, fast CQL Evaluation Engine ( src )

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