Personality disorder not otherwise specified
|Personality disorder, unspecified|
|Classification and external resources|
|Cluster A (odd)|
|Cluster B (dramatic)|
|Cluster C (anxious)|
Diagnostic criteria (DSM-IV-TR = 301.9)
This diagnosis may be given when no other personality disorder defined in the DSM fits the patient's symptoms.
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:
- Sadistic personality disorder
- Self-defeating personality disorder
- Depressive personality disorder
- Passive–aggressive personality disorder
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)
The 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.
In one study, PDNOS was found to be the third most frequent personality disorder diagnosis.
- DSM-IV codes (personality disorders)
- ICD-10 codes (personality disorders)
- Eating disorder not otherwise specified
- Mood disorder not otherwise specified
- Pervasive Developmental Disorder - Not Otherwise Specified
- 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.
- Diagnostic and Statistical Manual of Mental Disorders Fourth edition Text Revision (DSM-IV-TR) American Psychiatric Association (2000)
- 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.