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Revista Brasileira de Epidemiologia

Print version ISSN 1415-790X


CESAR, Chester Luiz Galvão et al. Using the International Classification of Diseases in health surveys. Rev. bras. epidemiol. [online]. 2001, vol.4, n.2, pp.120-129. ISSN 1415-790X.

The objective of the study was to describe morbidity "referred" in health surveys, comparing ICD-9 and ICD-10. The study identified the conditions or injuries occurring within a 15-day period in a population sample of 10,199 individuals. ICD-9 and ICD-10 were also compared, by reclassifying conditions formerly classified as ICD-9 Chapter XVI (Symptoms, Signs and Ill-Defined Conditions) using ICD-10. Approximately 30% of interviewees referred some health condition, totaling 4,415 complaints or diagnoses. A total of 1,403 complaints were classified, by ICD-9, into 51 Chapter XVI codes. The same complaints, recoded by ICD-10, turned into 70 Codes, therefore gaining greater specificity. The conclusion is that the classification of morbidity referred by interviewees using ICD was satisfactory. ICD-10 had advantages in relation to ICD-9, once it enabled the classification of residual subcategories in various chapters, thus providing greater specificity in Chapter XVIII.

Keywords : International classification of diseases; Health surveys; Morbidity; Morbidity surveys.

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