Organic personality disorder

Organic personality disorder (OPD) or secondary personality change, is a condition described in the ICD-10 and ICD-11 respectively. It is characterized by a significant personality change featuring abnormal behavior due to an underlying traumatic brain injury or another pathophysiological medical condition affecting the brain. Abnormal behavior can include but is not limited to apathy, paranoia and disinhibition.[1]

In the ICD-10, it is described as a mental disorder and not included in the classification group of personality disorders.[2] In the ICD-11, it is described as a syndrome.[1] The condition has not been described in any edition of the Diagnostic and Statistical Manual of Mental Disorders.

  1. ^ a b "ICD-11 for Mortality and Morbidity Statistics". icd.who.int. 1 February 2022. Retrieved 2022-06-04.
  2. ^ "International Statistical Classification of Diseases and Related Health Problems, 10th revision". World Health Organization. 2010. Retrieved 2022-06-04.