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A comparison of ICD-8 and ICD-10 diagnoses of affective disorder - a case register study from Denmark

Published online by Cambridge University Press:  16 April 2020

LV Kessing
LV Kessing*
Affiliation:
Department of Psychiatry, University of Copenhagen, Rigshospitalet, Blegdamsvej 9, DK 2100 Copenhagen Ø; Department of Psychiatric Demography, University of Aarhus Psychiatric Hospital, Risskov, Denmark
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Summary

The introduction of ICD-10 has changed the diagnostic borders of affective disorders in clinical psychiatry. The current study presents the diagnostic concordance between ICD-8 diagnoses given in 1993 and ICD-10 diagnoses given in 1994 to the same patients admitted in both years, according to the Danish register of psychiatric admissions. In total, 1,487 patients received an ICD-8 diagnosis of manicdepressive psychoses in 1993 and were re-admitted in 1994. The majority of patients (84.0%) with a manic-depressive diagnosis according to ICD-8 received a diagnosis of affective disorder according to ICD-10. Patients with a diagnosis of affective disorder according to ICD-10 had previously been diagnosed as manic-depressive (69.6%), psychogenic psychoses (8.7%). personality disorders (5.5%) or neurosis (3.2%) according to ICD-8. The ICD-10 concept of affective disorder thus appeared broader and more comprehensive compared with ICD-8.

Keywords

affective disordercase registerdiagnosisconcurrent validity
Type
Original article
Information
European Psychiatry , Volume 13 , Issue 7 , November 1998 , pp. 342 - 345
Copyright
Copyright © Elsevier, Paris 1998

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