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2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Other Psychoses 295-299 > Psychoses With Origin Specific To Childhood 299.* > 2007 ICD-9-CM Diagnosis 299.80 Other specified pervasive developmental disorders, current or active state  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 Therefore, this code may be out of date.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 299.80 can be accessed here. 299.80 is a specific code that can be used to specify a diagnosis View the ICD-9-CM Volume 1 299.* hierarchy