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2009 ICD-9-CM

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PSYCHOSES (290-299)
Excludes:
mental retardation (317-319)
290 Dementias
Code first the associated neurological condition
Excludes:
dementia due to alcohol (291.0-291.2)
dementia due to drugs (292.82)
dementia not classified as senile, presenile, or arteriosclerotic (294.10-294.11)
psychoses classifiable to 295-298 occurring in the senium without dementia or delirium (295.0-298.8)
senility with mental changes of nonpsychotic severity (310.1)
transient organic psychotic conditions (293.0-293.9)
291 Alcohol-induced mental disorders
Excludes:
alcoholism without psychosis (303.0-303.9)
292 Drug-induced mental disorders
Includes:
organic brain syndrome associated with consumption of drugs
Use additional code for any associated drug dependence (304.0-304.9)
Use additional E code to identify drug
293 Transient mental disorders due to conditions classified elsewhere
Includes:
transient organic mental disorders not associated with alcohol or drugs
Code first the associated physical or neurological condition
Excludes:
confusional state or delirium superimposed on senile dementia (290.3)
dementia due to:
alcohol (291.0-291.9)
arteriosclerosis (290.40-290.43)
drugs (292.82)
senility (290.0)
294 Persistent mental disorders due to conditions classified elsewhere
Includes:
organic psychotic brain syndromes (chronic), not elsewhere classified
295 Schizophrenic disorders
Includes:
schizophrenia of the types described in 295.0-295.9 occurring in children
Excludes:
childhood type schizophrenia (299.9)
infantile autism (299.0)
The following fifth-digit subclassification is for use with category 295:
0 unspecified
1 subchronic
2 chronic
3 subchronic with acute exacerbation
4 chronic with acute exacerbation
5 in remission
296 Episodic mood disorders
Includes:
episodic affective disorders
Excludes:
neurotic depression (300.4)
reactive depressive psychosis (298.0)
reactive excitation (298.1)
The following fifth-digit subclassification is for use with categories 296.0-296.6:
0 unspecified
1 mild
2 moderate
3 severe, without mention of psychotic behavior
4 severe, specified as with psychotic behavior
5 in partial or unspecified remission
6 in full remission
297 Delusional disorders
Includes:
paranoid disorders
Excludes:
acute paranoid reaction (298.3)
alcoholic jealousy or paranoid state (291.5)
paranoid schizophrenia (295.3)
298 Other nonorganic psychoses
Includes:
psychotic conditions due to or provoked by:
emotional stress
environmental factors as major part of etiology
299 Pervasive developmental disorders
Excludes:
adult type psychoses occurring in childhood, as:
affective disorders (296.0-296.9)
manic-depressive disorders (296.0-296.9)
schizophrenia (295.0-295.9)
The following fifth-digit subclassification is for use with category 299:
0 current or active state
1 residual state
 
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