In DSM-II, this category is called Other major affective disorder (Affective psychosis, other)

Major affective disorders for which a more specific diagnosis has not been made are included here. It is also for "mixed" manic-depressive illness, in which manic and depressive symptoms appear almost simultaneously. It does not include Psychotic depressive reaction or Depressive neurosis.


See Atypical Bipolar Disorder and Atypical Depression


This category includes disorders with mood symptoms that do not meet the criteria for any specific Mood Disorder and in which it is difficult to choose between Depressive Disorder Not Otherwise Specified and Bipolar Disorder Not Otherwise Specified (e.g., acute agitation).


In DSM-5, this category is separated into Unspecified Depressive Disorder and Unspecified Bipolar and Related Disorder

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