2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Organic Psychotic Conditions 290-294 > Dementias 290.* > 2008 ICD-9-CM Diagnosis 290.9 Unspecified senile psychotic condition  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 Therefore, this code may be out of date.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 290.9 can be accessed here. 290.9 is a specific code that can be used to specify a diagnosis 290.9 contains 6 index entries View the ICD-9-CM Volume 1 290.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Index entries containing 290.9: Dementia 294.8 degenerative 290.9 presenile-onset - see Dementia, presenile senile-onset - see Dementia, senile idiopathic 290.9 presenile-onset - see Dementia, presenile senile-onset - see Dementia, senile Imbecile, imbecility 318.0 old age 290.9 senile 290.9 Senility 797 with mental changes 290.9 State psychotic, organic (see also Psychosis, organic) 294.9 senile or presenile NEC 290.9