HL7 CDA R2 AIS Implementation Guide

HL7 Additional Information Specification Implementation GuideCDAR2AIS0000R030Number of Loop 2000A-Payer/Provider Control Number from the ASC X12 275. The OID ofthe assigning authority for this identifier is 2.16.840.1.113883.19.2744.1.5. The header of theCDA document would include:A CDA document that already exists will not usually contain the appropriate attachment controlnumber. A simple transformation of that document can be created to incorporate the appropriateattachment control number. When this is done, a new identifier is assigned to the newly createdtransformation of the existing CDA document. Furthermore, a ./relatedDocument element iscreated identifying the original document in relatedDocument/parentDocument/id, andrelatedDocument/@typeCode contains the value XFRM.Example: A request for additional information in an ASC X12 277 Healthcare Claim Request forAdditional Information can be answered using information in an existing clinical documentwhose id is 99275 from the namespace identified by the OID 2.16.840.1.113883.19.2744.1.1.The existing clinical document is copied and a new identifier is assigned to it, replacing theprevious identifier.The following information replaces any existing element in the CDAdocument.Page 42March 2007Copyright © 1998-2007Health Level Seven, Inc. All rights reserved.Release 3.0 Draft Standard