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. 2020 Mar;22(1):7–15. doi: 10.31887/DCNS.2020.22.1/wgaebel

Table II. Overview of new diagnostic categories in the Mental, Behavioural or Neurodevelopmental Disorders chapter in ICD-11. PTSD, post-traumatic stress disorder.

Diagnosis Description
Catatonia A syndrome of primarily psychomotor disturbances (no longer regarded as a subtype of Schizophrenia) characterized by the occurrence of several different symptoms 
including stupor; catalepsy; waxy flexibility; mutism; negativism; posturing; 
mannerisms; stereotypies; psychomotor agitation; grimacing; echolalia; and 
echopraxia
Bipolar Type II Disorder Defined by the occurrence of at least one hypomanic episode and at least one 
depressive episode
Body Dysmorphic Disorder Characterized by persistent preoccupation with at least one defect or flaw in one’s appearance, unnoticeable or only slightly noticeable to others
Olfactory Reference Disorder Characterized by persistent preoccupation with the belief that one is emitting a 
perceived foul or offensive body odor or breath, unnoticeable or only slightly 
noticeable to others
Hoarding Disorder Characterized by accumulation of possessions due to excessive acquisition of 
possession or difficulties discarding them, regardless of their actual value
Excoriation Disorder Characterized by recurrent picking of one’s skin leading to skin lesions, accompanied by unsuccessful attempts to decrease or stop the behavior.
Complex PTSD Develops following exposure to a threatening or horrific event (or series of events) and is characterized by severe and persistent disturbances in affect regulation, a negative self-concept and difficulties in sustaining relationships in addition to the three core features of PTSD (ie, re-experiencing the traumatic event in the present, avoidance of thoughts and memories of the event, persistent perceptions of 
heightened current threat)
Prolonged Grief Disorder Abnormally persistent, pervasive and disabling response to bereavement
Binge Eating Disorder Characterized by frequent and recurrent episodes of binge eating
Avoidant/Restrictive Food 
Intake Disorder Characterized by abnormal eating or feeding behaviors resulting in the intake of 
an insufficient quantity or variety of food to meet adequate energy or nutritional 
requirements
Body Integrity Dysphoria Characterized by an intense and persistent desire to become physically disabled in 
a significant way with onset in childhood or early adolescence
Gaming Disorder A pattern of persistent or recurrent gaming behaviour (“video gaming”)
Compulsive Sexual Behaviour Disorder A persistent pattern of failure to control intense, repetitive sexual impulses or 
urges leading to repetitive sexual behaviour
Intermittent Explosive 
Disorder Characterized by repeated brief episodes of verbal or physical aggression or 
destruction of property representing a failure to control aggressive impulses
Premenstrual Dysphoric 
Disorder Characterized by a pattern of mood symptoms (eg, depressed mood), somatic 
symptoms (eg, overeating), or cognitive symptoms (eg, forgetfulness) that begin 
several days before the onset of menses, start to improve within a few days after 
the onset of menses, and then become minimal or absent within 1 week following 
the onset of menses