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Personality Disorder Not Otherwise Specified (PDNOS)


Mixed personality disorder; Other specific personality disorder; Other specified personality disorder; Personality disorder, severity unspecified; Personality disorder, unspecified; Personality disorder–trait specified; Unspecified personality disorder


Personality disorder not otherwise specified (PDNOS) is a diagnostic category describing problems with inter and intrapersonal functioning (i.e., personality disorder) that are not accounted for by the specific personality disorder diagnoses defined by the DSM and ICD.


Personality disorder not otherwise specified (PDNOS) is a common and complicated psychiatric diagnosis and one of the several personality disorders (PDs). The Diagnostic and Statistical Manual of Mental Disorders (DSM-5; American Psychiatric Association 2013) and the International Classification of Diseases (ICD-10; World Health Organization 1992) describe PDs as persistent and pervasive patterns of inter and intrapersonal difficulties....

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Johnson, B.N., Levy, K.N. (2017). Personality Disorder Not Otherwise Specified (PDNOS). In: Zeigler-Hill, V., Shackelford, T. (eds) Encyclopedia of Personality and Individual Differences. Springer, Cham.

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