ICD9Data.com   Free 2008 ICD-9-CM Database

2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Mental Retardation 317-319 > 2008 ICD-9-CM Diagnosis 318 Other specified mental retardation  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 Therefore, this code may be out of date.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 318 can be accessed here. 318 is a non-specific code that cannot be used to specify a diagnosis