Personality disorder not otherwise specified

Personality disorder, unspecified
Other names	Personality disorder NOS (PDNOS)
Specialty	Psychiatry

Personality disorder not otherwise specified is a diagnostic classification for some DSM-IV Axis II personality disorders not otherwise listed in DSM-IV.[1]

The DSM-5 does not have an equivalent to Personality Disorder NOS. However Personality disorder-trait specified (PD-TS) remains under consideration for future revisions. The DSM 5 "Unspecified Disorder" is not a personality disorder, it is used to enhance specificity of an existing disorder [2] or it is an emergency diagnosis unto itself (i.e. Unspecified Mental Disorder, 300.9), without being attached to another disorder.[3]

Diagnostic criteria

DSM-IV-TR

This diagnosis may be given when no other personality disorder defined in the DSM fits the patient's symptoms.[4]

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

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

ICD-10

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 Diagnostic criteria.

Epidemiology

In one study, PDNOS was found to be the third most frequent personality disorder diagnosis.[5]

References

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.
American Psychiatric Association (2013). Diagnostic and Statistical manual of Mental Disorders (5th ed.). Washington DC: name. pp. 15. ISBN 978-0-89042-555-8.
American Psychiatric Association (2013). Diagnostic and Statistical Manual of Mental Disorders (5th ed.). Washington DC: name. pp. 708. ISBN 978-0-89042-555-8.
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. doi:10.1016/j.comppsych.2007.12.008. PMID 18702931.

External links

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[pmid17685833-1] 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] American Psychiatric Association (2013). Diagnostic and Statistical manual of Mental Disorders (5th ed.). Washington DC: name. pp. 15. ISBN 978-0-89042-555-8.

[3] American Psychiatric Association (2013). Diagnostic and Statistical Manual of Mental Disorders (5th ed.). Washington DC: name. pp. 708. ISBN 978-0-89042-555-8.

[DSM-IV-TR-4] Diagnostic and Statistical Manual of Mental Disorders Fourth edition Text Revision (DSM-IV-TR) American Psychiatric Association (2000)

[pmid18702931-5] 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.