Symptomatic and course presentations for mood episodes in mood disorders

**Definition:** These categories may be applied to describe the presentation and characteristics of mood episodes in the context of single episode depressive disorder, recurrent depressive disorder, bipolar type I disorder, or bipolar type II disorder. These categories indicate the presence of specific, important features of the clinical presentation or of the course, onset, and pattern of mood episodes. These categories are not mutually exclusive, and as many may be added as apply.