Psychotherapy High Wycombe Psychotherapy High Wycombe - Last updated 07 January 2026

DSM Reference Home

DSM-IV: Not Otherwise Specified (NOS)

This designation abbreviated NOS can be used when the mental disorder appears to fall within the larger category but does not meet the criteria of any specific disorder within that category.

Diagnostic & Statistical Manual of Mental Disorders, 4th edition. Washington, DC, APA, 1994

The online Diagnostic & Statistical Manual of Mental Disorders lists most of the major psychological disorders and illnesses and lists the criteria that must be fulfilled in order for a diagnosis to be made. This resource is not a substitute for proper professional psychiatric diagnosis.