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2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Organic Psychotic Conditions 290-294 > 2008 ICD-9-CM Diagnosis 291 Alcohol-induced mental disorders  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 Therefore, this code may be out of date.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 291 can be accessed here. 291 is a non-specific code that cannot be used to specify a diagnosis 291 excludes: alcoholism without psychosis (303.0-303.9)