2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Organic Psychotic Conditions 290-294 >  2008 ICD-9-CM Diagnosis 290
Dementias On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.
The 2009 version of ICD-9-CM 290 can be accessed here. - An acquired organic mental disorder with loss of intellectual abilities of sufficient severity to interfere with social or occupational functioning. The dysfunction is multifaceted and involves memory, behavior, personality, judgment, attention, spatial relations, language, abstract thought, and other executive functions. The intellectual decline is usually progressive, and initially spares the level of consciousness.
- 290 is a non-specific code that cannot be used to specify a diagnosis
Code first the associated neurological condition 290 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)
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