Personality disorder not otherwise specified

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Not to be confused with PDD-NOS.
Personality disorder, unspecified
Classification and external resources
ICD-10 F60.9
ICD-9 301.9

Personality disorder not otherwise specified (also known as Personality disorder NOS or PDNOS) is a DSM-IV Axis II personality disorder.[1]

Diagnostic criteria (DSM-IV-TR = 301.9)[edit]

This diagnosis may be given when no other personality disorder defined in the DSM fits the patient's symptoms.[2]

Four personality disorders were excluded from the main body of the latest version of the DSM (DSM-IV-TR) but this diagnosis may be used instead. The four personality disorders are:

It is a requirement of DSM-IV that a diagnosis of any personality disorder also satisfies a set of general personality disorder criteria.

Diagnostic criteria (ICD-10)[edit]

The World Health Organization's ICD-10 defines a conceptually similar disorder to "personality disorder not otherwise specified" called (F60.9) Personality disorder, unspecified.

It is a requirement of ICD-10 that a diagnosis of any personality disorder also satisfies a set of general personality disorder criteria.

Prevalence (epidemiology)[edit]

In one study, PDNOS was found to be the third most frequent personality disorder diagnosis.[3]

See also[edit]

References[edit]

  1. ^ Verheul R, Bartak A, Widiger T (August 2007). "Prevalence and construct validity of Personality Disorder Not Otherwise Specified (PDNOS)". J. Pers. Disord. 21 (4): 359–70. doi:10.1521/pedi.2007.21.4.359. PMID 17685833. 
  2. ^ Diagnostic and Statistical Manual of Mental Disorders Fourth edition Text Revision (DSM-IV-TR) American Psychiatric Association (2000)
  3. ^ Wilberg T, Hummelen B, Pedersen G, Karterud S (2008). "A study of patients with personality disorder not otherwise specified". Compr Psychiatry 49 (5): 460–8. doi:10.1016/j.comppsych.2007.12.008. PMID 18702931.