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Chapter V
Other mental disorders due to brain damage and dysfunction and to physical disease - F06
Includes miscellaneous conditions causally related to brain disorder due to primary cerebral disease, to systemic disease affecting the brain secondarily, to exogenous toxic substances or hormones, to endocrine disorders, or to other somatic illnesses.
Excludes:
- associated with:
- delirium ( F05.- )
- dementia as classified in F00-F03
- resulting from use of alcohol and other psychoactive substances ( F10-F19 )
| F06.0 |
Organic hallucinosis
A disorder of persistent or recurrent hallucinations, usually visual or auditory, that occur in clear consciousness and may or may not be recognized by the subject as such. Delusional elaboration of the hallucinations may occur, but delusions do not dominate the clinical picture; insight may be preserved.
Organic hallucinatory state (nonalcoholic)
Excludes:
- alcoholic hallucinosis ( F10.5 )
- schizophrenia ( F20.- )
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| F06.1 |
Organic catatonic disorder
A disorder of diminished (stupor) or increased (excitement) psychomotor activity associated with catatonic symptoms. The extremes of psychomotor disturbance may alternate.
Excludes:
- catatonic schizophrenia ( F20.2 )
- stupor:
- NOS ( R40.1 )
- dissociative ( F44.2 )
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| F06.2 |
Organic delusional [schizophrenia-like] disorder
A disorder in which persistent or recurrent delusions dominate the clinical picture. The delusions may be accompanied by hallucinations. Some features suggestive of schizophrenia, such as bizarre hallucinations or thought disorder, may be present.
Paranoid and paranoid-hallucinatory organic states
Schizophrenia-like psychosis in epilepsy
Excludes:
- disorder:
- acute and transient psychotic ( F23.- )
- persistent delusional ( F22.- )
- psychotic drug-induced ( F11-F19 with common fourth character .5)
- schizophrenia ( F20.- )
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| F06.3 |
Organic mood [affective] disorders
Disorders characterized by a change in mood or affect, usually accompanied by a change in the overall level of activity, depressive, hypomanic, manic or bipolar (see F30-F38), but arising as a consequence of an organic disorder.
Excludes:
- mood disorders, nonorganic or unspecified ( F30-F39 )
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| F06.4 |
Organic anxiety disorder
A disorder characterized by the essential descriptive features of a generalized anxiety disorder (F41.1), a panic disorder (F41.0), or a combination of both, but arising as a consequence of an organic disorder.
Excludes:
- anxiety disorders, nonorganic or unspecified ( F41.- )
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| F06.5 |
Organic dissociative disorder
A disorder characterized by a partial or complete loss of the normal integration between memories of the past, awareness of identity and immediate sensations, and control of bodily movements (see F44.-), but arising as a consequence of an organic disorder.
Excludes:
- dissociative [conversion] disorders, nonorganic or unspecified ( F44.- )
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| F06.6 |
Organic emotionally labile [asthenic] disorder
A disorder characterized by emotional incontinence or lability, fatigability, and a variety of unpleasant physical sensations (e.g. dizziness) and pains, but arising as a consequence of an organic disorder.
Excludes:
- somatoform disorders, nonorganic or unspecified ( F45.- )
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| F06.7 |
Mild cognitive disorder
A disorder characterized by impairment of memory, learning difficulties, and reduced ability to concentrate on a task for more than brief periods. There is often a marked feeling of mental fatigue when mental tasks are attempted, and new learning is found to be subjectively difficult even when objectively successful. None of these symptoms is so severe that a diagnosis of either dementia (F00-F03) or delirium (F05.-) can be made. This diagnosis should be made only in association with a specified physical disorder, and should not be made in the presence of any of the mental or behavioural disorders classified to F10-F99. The disorder may precede, accompany, or follow a wide variety of infections and physical disorders, both cerebral and systemic, but direct evidence of cerebral involvement is not necessarily present. It can be differentiated from postencephalitic syndrome (F07.1) and postconcussional syndrome (F07.2) by its different etiology, more restricted range of generally milder symptoms, and usually shorter duration.
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| F06.8 |
Other specified mental disorders due to brain damage and dysfunction and to physical disease
Epileptic psychosis NOS
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| F06.9 |
Unspecified mental disorder due to brain damage and dysfunction and to physical disease
Organic:
brain syndrome NOS
mental disorder NOS
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Related drugs:
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