2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Other Psychoses 295-299 > Psychoses With Origin Specific To Childhood 299.* > 2006 ICD-9-CM Diagnosis 299.81 Other specified pervasive developmental disorders, residual state View the most recent version of ICD-9-CM 299.81 299.81 is a specific code that can be used to specify a diagnosis View the ICD-9-CM Volume 1 299.* hierarchy