Disorders Specifically Associated With Stress in ICD-11

Area of Science:

• Psychiatry
• Mental Health
• Clinical Psychology

Background:

• The World Health Organization revised the International Classification of Diseases (ICD) to ICD-11, effective 2022.
• ICD-11 introduces a novel grouping for mental disorders specifically associated with stress.

Purpose of the Study:

• To review the diagnostic features and cultural specifications of ICD-11 stress-related disorders.
• To assess the clinical utility and applicability of the new classification.

Main Methods:

• Systematic evaluation and revision of mental disorder classifications.
• Overview of diagnostic criteria for included disorders.

Main Results:

• The ICD-11 includes posttraumatic stress disorder, complex posttraumatic stress disorder, prolonged grief disorder, adjustment disorder, reactive attachment disorder, and disinhibited social engagement disorder.
• Evidence suggests improved clinical utility and applicability of these disorders.
• Disorders are defined parsimoniously yet sufficiently for scientific purposes.

Conclusions:

• The ICD-11 offers a refined classification for stress-related disorders.
• Further research is necessary to evaluate the assessments and diagnostic features within ICD-11.