Other and unspecified personality disorders

For the diagnosis of personality disorders, diagnostic frameworks such as the Diagnostic and Statistical Manual of Mental Disorders (DSM) and the International Classification of Diseases (ICD) have residual diagnostic categories for diagnosis of conditions which do not align well with specific PD diagnoses or for situations where information is lacking.

The DSM-5 defines two personality disorder diagnoses, namely Other specified personality disorder and Unspecified personality disorder, along with Personality change due to another medical condition under Other personality disorders.[1] The ICD-10 also contains similar categories, namely, Other specific personality disorder and Personality disorder, unspecified.

Additionally, in the Alternative DSM-5 Model for Personality Disorders, the DSM-5 introduced the diagnosis Personality disorder - trait specified (PD-TS) as an alternative to let clinicians define the presentation in detail, in terms of "impairment of personality functioning" and "pathological personality traits".[2]

Personality disorder not otherwise specified (PD-NOS) was a subclinical[a] diagnostic classification for some DSM-IV Axis II personality disorders not listed in DSM-IV.[3] The DSM-5 transitioned from NOS diagnoses to other specified and unspecified in order to "enhance diagnostic specificity".[4] The diagnoses in the DSM-5 are not direct equivalents to PD-NOS.

  1. ^ Diagnostic and statistical manual of mental disorders: DSM-5 (5th ed.). Washington: American psychiatric association. 2013. pp. 682–684. ISBN 978-0-89042-554-1.
  2. ^ "Alternative DSM-5 Model for Personality Disorders". Diagnostic and Statistical Manual for Mental Disorders (fifth ed.). Washington, DC: American Psychiatric Association. p. 761.
  3. ^ Verheul, Roel; Bartak, Anna; Widiger, Thomas (August 2007). "Prevalence and construct validity of Personality Disorder Not Otherwise Specified (PDNOS)". Journal of Personality Disorders. 21 (4). New York City: Guilford Press: 359–70. doi:10.1521/pedi.2007.21.4.359. PMID 17685833.
  4. ^ Diagnostic and Statistical manual of Mental Disorders (5th ed.). Washington, DC: American Psychiatric Association. 2013. pp. 15. ISBN 978-0-89042-555-8.


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