ICD-11 · 6E68

Secondary personality change

A persistent change in personality and behavioral patterns caused by an underlying medical or neurological condition, such as brain injury, epilepsy, or endocrine disease.

Symptoms

Personality change caused by medical or neurological condition (also: secondary personality change, organic personality disorder, personality change after brain injury, personality change from epilepsy, frontal syndrome after head trauma)
New onset aggressive, disinhibited, or paranoid behavior (also: new onset aggression from brain disease, disinhibition after head trauma, paranoia from endocrine disorder, behavioral change from neurological disease)
Change represents a marked departure from prior personality (also: markedly different from prior personality, uncharacteristic behavior, dramatic personality shift, personality no longer consistent with premorbid functioning)

Differential diagnosis

When diagnosing Secondary personality change, the following ICD-11 disorders should be considered in the differential diagnosis:

Synonyms and related terms

secondary personality change, organic personality disorder, personality change after brain injury, personality change from epilepsy, frontal syndrome after head trauma, new onset aggression from brain disease, disinhibition after head trauma, paranoia from endocrine disorder, behavioral change from neurological disease, markedly different from prior personality, uncharacteristic behavior, dramatic personality shift, personality no longer consistent with premorbid functioning

Frequently asked questions

What are the symptoms of Secondary personality change?

Symptoms associated with Secondary personality change (ICD-11 6E68) include: Personality change caused by medical or neurological condition, New onset aggressive, disinhibited, or paranoid behavior, Change represents a marked departure from prior personality.

What disorders are in the differential diagnosis of Secondary personality change?

The differential diagnosis of Secondary personality change (6E68) includes: Zaburzenie osobowości (6D10), Majaczenie (6D70), Zaburzenia transowo-opętaniowe (6B63).

WHO ICD-11 source

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Source: WHO ICD-11 (chapter 6 – Mental, behavioral and neurodevelopmental disorders). Used under CC BY-ND 3.0 IGO. ICD Diagnostica is not affiliated with or endorsed by WHO. Informational use only – does not replace clinical judgment.