ISO INTERNATIONAL STANDARD 18232 First edition 2006-04-01 Health Informatics Messages and communication Format of length limited globally unique string identifiers Informatique de santé - Messages et communication - Format des identifiants uniques universels codés en caractere et limites en longueur Reference number ISO 18232:2006(E) @ ISO 2006 ISO 18232:2006(E) PDFdisclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The Iso Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation ?ISO2006 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either isO at the address below or IsO's member body in the country of the requester. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2006 - All rights reserved ISO18232:2006(E) Contents Page Foreword. iv Introductiol 1 Scope 2 Normative references 3 Terms, definitions and abbreviated terms . 3.1 Terms and definitions.. 3.2 Abbreviated terms 4 Globally unique string identifier field 5 ISO/IEC data object identifier GUSI exchange format.. 5.1 General.. 5.2 Logical data format..... 5.3 Character representation 5.4 Encoding..... 5.5 Integercomponent representation 5.6 Integer component separator... 5.7 Interpretation of the data object identifier string 6 128 bit globally unique string identifier format . 6.1 General. 6.2 Logicaldataformat. 6.3 Character representation 6.4 UUID components. 6.5 Encoding.... Annex A(informative) Scenarios. Annex B (informative) Nature and application of Data Object Identifiers Annex C (informative) ASN.1 specification for the exchange of OID and UUIDs ion'ghts reserved ili ISO 18232:2006(E) Foreword IsO. (the International Organization for Standardization) is a worldwide federation of national standards bodies (iso member bodies). The work of preparing International Standards is normally carried out through sO established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with isO, also take part in the work. Iso collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO18232was preparedbyTechnical CommitteeISO/TC 215, Health informatics @ ISo 2006 - All rights reserved ISO18232:2006(E) Introduction Data objects used in medicine include reports and results of diagnostic procedures which are stored and exchanged in electronic form, and objects such as templates. Applications must be able to find the location andthe identificationof suchobjects.Objectidentifiersareoftennumeric inform.ThisInternationalStandard