2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Other Psychoses 295-299 > 2006 ICD-9-CM Diagnosis 299 Psychoses with origin specific to childhood View the most recent version of ICD-9-CM 299 299 is a non-specific code that cannot be used to specify a diagnosis 299 Excludes adult type psychoses occurring in childhood, as: affective disorders (296.0-296.9) manic-depressive disorders (296.0-296.9) schizophrenia (295.0-295.9)