ORGANIC PSYCHOTIC CONDITIONS (290-294)
Includes:
psychotic organic brain syndrome
Excludes:
nonpsychotic syndromes of organic etiology (310.0-310.9)
psychoses classifiable to 295-298 and without impairment of orientation, comprehension, calculation, learning capacity, and judgement, but associated with physical disease, injury, or condition affecting the brain [e.g., following childbirth] (295.0-298.8)
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)
293.0: Delirium due to conditions classified elsewhere
Acute:
confusional state
infective psychosis
organic reaction
posttraumatic organic psychosis
psycho-organic syndrome
Acute psychosis associated with endocrine, metabolic, or cerebrovascular disorder
Epileptic:
confusional state
twilight state
293.1: Subacute delirium
Subacute:
confusional state
infective psychosis
organic reaction
posttraumatic organic psychosis
psycho-organic syndrome
psychosis associated with endocrine or metabolic disorder
293.8: Other specified transient mental disorders due to conditions classified elsewhere
293.9: Unspecified transient mental disorder in conditions classified elsewhere
Organic psychosis:
infective NOS
posttraumatic NOS
transient NOS
Psycho-organic syndrome

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