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Original Article

A method for converting a disease registry's case-load to a new classification of diagnostic codes

Pages 121-130 | Received 28 Mar 1980, Published online: 12 Jul 2009
 

Abstract

A method is described for converting the diagnostic codes of a disease registry from the eighth to the ninth revision of the International Classification of Diseases. The files of the Health Surveillance Registry contain records of nearly 100000 cases with ICDA-S coded disabilities. These data are used to determine incidence, prevalence, and other statistics relating to morbidity in the Province of British Columbia.

The steps are outlined to convert these disability codes to ICD-9, and include the development of conversion tables, techniques for both computer and manual conversion of the codes for each case, and a description of the resources needed to complete the conversion within a set time-limit. The conversion methodology outlined here can be adapted to future revisions of disease classifications.

Cet article décrit une méthode de conversion des codes de diagnostics pour passer de la huitième à la neuvième version de la Classification Internationale des Maladies. Les dossiers du bureau du registre de la surveillance de la santé contiennent les fiches d'environ 100 000 personnes arrětées pour maladies, et auxquelles est attribué un code ICDA-8. Ces données ont été utilisées pour obtenir des taux d'incidence et de prévalence et d'autres statistiques portant sur la morbidite en Colombie Britannique.

Les différentes ětapes qui permettent la conversion en code ICD-9 sont děcrites avec precision, notamment les tables de conversion, les techniques de conversion manuelle ou sur ordinateur, les ressources nécessaires pour effectuer les conversions dans des temps limites. La méthode de conversion décrite dans cet article est adaptée aux futures révisions de la Classification des Maladies.

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