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Specifications, guidance and associated collateral applicable to all types of clinical documents.

This specification references or contains excerpts of intellectual property (IP) owned by the Regenstrief Institute, IHTSDO, or HL7 International. Applicable IP constraints apply:

  • This material contains content from LOINCTM (http://loinc.org). The LOINC table, LOINC codes, and LOINC panels and forms file are copyright © 1995-2015, 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. LOINC is a trademark of Regenstrief Institute, Inc., registered in the United States.
  • This material includes SNOMED Clinical TermsTM (SNOMED CT®) which is used by permission of the International Health Terminology Standards Development Organisation (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, (http://www.ihtsdo.org).
  • This document includes excerpts of HL7TM International standards and other HL7 International material. HL7 International is the publisher and holder of copyright in the excerpts. The publication, reproduction and use of such excerpts is governed by the HL7 IP Policy (see http://www.hl7.org/legal/ippolicy.cfm) and the HL7 International License Agreement. HL7 and CDA are trademarks of Health Level Seven International and are registered with the United States Patent and Trademark Office.
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Associated components

Clinical Documents - CDA Package v1.0


This specification defines three logical models for clinical data that consists of a single CDA XML document and related byte streams. This specification also defines a possible serialised representation for those logical models.

Tuesday, 29 Nov 2011

Clinical Documents - FAQ OIDs For HL7 v1.2


This document provides guidance for developers on the representation of identifiers in clinical documents and messages.

It has been updated with information about ABN-scoped local identifiers and HPI-O-scoped local identifiers.

Thursday, 28 Feb 2019
Release history