Wednesday, 5 August 2026

Diagnosing and Classifying Psychological Disorders

 


What is the DSM?

DSM stands for Diagnostic and Statistical Manual of Mental Disorders.

The DSM is an important tool used to diagnose and classify mental health disorders. It provides health professionals with common guidelines for identifying and describing psychological disorders.

Who Uses the DSM?

The DSM is mainly designed for health professionals, including:

  • Psychologists

  • Psychiatrists

  • Other qualified mental health professionals

It is primarily used in the United States, although it is also widely referenced internationally.

Purpose of the DSM

The DSM provides a classification system and diagnostic criteria for mental health disorders. It helps professionals:

  • Identify symptoms of psychological disorders.

  • Classify disorders into different categories.

  • Use consistent diagnostic criteria.

  • Communicate clearly with other professionals.

  • Support appropriate assessment and treatment planning.

Versions of the DSM

The current major edition is the DSM-5-TR (Text Revision), which was published in 2022.

The original DSM-5 was published in 2013. The DSM-5-TR updated some of the information and diagnostic descriptions while keeping the basic classification system of the DSM-5.

Examples of Disorders Classified in the DSM

The DSM includes many categories of psychological disorders, including:

  • Anxiety disorders

  • Depressive disorders

  • Bipolar and related disorders

  • Trauma- and stressor-related disorders

  • Obsessive-compulsive and related disorders

  • Schizophrenia spectrum and other psychotic disorders

  • Personality disorders

  • Substance-related and addictive disorders

  • Eating disorders

  • Neurodevelopmental disorders

Key Point to Remember

The DSM is a diagnostic and classification guide. It gives mental health professionals standardized criteria that can help them determine whether a person's symptoms meet the criteria for a particular psychological disorder.

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