Atypical Features Specifier for Mood Disorders

Specify if:

With Atypical Features (can be applied when these features predominate during the most recent 2 weeks of a Major Depressive Episode in Major Depressive Disorder or in Bipolar I or Bipolar II Disorder when the Major Depressive Episode is the most recent type of mood episode, or when these features predominate during the most recent 2 years of Dysthymic Disorder) 

A. Mood reactivity (i.e., mood brightens in response to actual or potential positive events) 

B. Two (or more) of the following features: 

(1) significant weight gain or increase in appetite 
(2) Hypersomnia
(3) leaden paralysis (i.e., heavy, leaden feelings in arms or legs) 
(4) long-standing pattern of interpersonal rejection sensitivity (not limited to episodes of mood disturbance) that results in significant social or occupational impairment

Reprinted with permission from the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision. Copyright 2000 American Psychiatric Association