2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Neurotic Disorders, Personality Disorders, And Other Nonpsychotic Mental Disorders 300-316 > 2008 ICD-9-CM Diagnosis 307 Special symptoms or syndromes not elsewhere classified  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 Therefore, this code may be out of date.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 307 can be accessed here. 307 is a non-specific code that cannot be used to specify a diagnosis ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Note : This category is intended for use if the psychopathology is manifested by a single specific symptom or group of symptoms which is not part of an organic illness or other mental disorder classifiable elsewhere. 307 excludes: those due to mental disorders classified elsewhere those of organic origin