DSM 5 stands for the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders.
DSM5 does not divide the disorders in groups.
Autism spectrum disorder. is introduced.
Childhood bipolar disorder is removed and replaced with Disruptive Mood Dysregulation Disorder (DMDD).
The details on PTSD Symptoms
Several other new disorders are introduced: Major and Mild Neurocognitive Disorders, Agoraphobia as a distinct disorder, Binge-Eating Disorder, Premenstrual Dysphoric Disorder, Disruptive Mood Dysregulation Disorder, Hoarding Disorder and several more.
