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Journal of the American Medical Informatics Association 4:465-472 (1997)
© 1997 American Medical Informatics Association

Application of Information Technology

Updating the Read Codes

User-interactive Maintenance of a Dynamic Clinical Vocabulary

David Robinson, Dip Comp, MB, BS, Erich Schulz, MB, BS, Philip Brown, MRCGP and Colin Price, MPhil, FRCS

Affiliation of the authors: NHS Centre for Coding and Classification, Loughborough, United Kingdom.

Correspondence and reprints: Dr. David B. Robinson, NHS Centre for Coding and Classification, Woodgate, Loughborough, Leicestershire, United Kingdom, LE11 2TG. E-mail: dbr{at}rothley.demon.co.uk

Abstract The Read Codes are a hierarchically-arranged controlled clinical vocabulary introduced in the early 1980s and now consisting of three maintained versions of differing complexity. The code sets are dynamic, and are updated quarterly in response to requests from users including clinicians in both primary and secondary care, software suppliers, and advice from a network of specialist healthcare professionals. The codes' continual evolution of content, both across and within versions, highlights tensions between different users and uses of coded clinical data. Internal processes, external interactions and new structural features implemented by the NHS Centre for Coding and Classification (NHSCCC) for user interactive maintenance of the Read Codes are described, and over 2000 items of user feedback episodes received over a 15-month period are analysed.




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Copyright © 1997 by the American Medical Informatics Association.