[The concept of mood disorder in ICD-10].

The classification of 'Manic-depressive illness(MDI)' has been changing in this several years greatly. MDI is recently named as a 'mood(affective) disorder' according to the ICD and DSM diagnostic system. Since 1990, with ICD-10(WHO), and 1994, with DSM-IV(APA), practitioners have had at their disposal two(practically compatible) classifications of mental disorders containing operational criteria for diagnosis, and helpful in guiding clinical and therapeutic approach. In ICD-10, mood disorder belongs to the F3 category, and there are seven subcategories which were divided in to subclasses. The two other subclasses of 'F06.3 organic mood disorder' 'F41.2 mixed anxiety and depressive disorders' were set up additionally.