2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Neurotic Disorders, Personality Disorders, And Other Nonpsychotic Mental Disorders 300-316 > Personality Disorders 301.* > 2008 ICD-9-CM Diagnosis 301.50 Histrionic personality disorder unspecified  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 Therefore, this code may be out of date.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 301.50 can be accessed here. A personality disorder characterized by overly reactive and intensely expressed or overly dramatic behavior, proneness to exaggeration, emotional excitability, and disturbances in interpersonal relationships. 301.50 is a specific code that can be used to specify a diagnosis 301.50 contains 4 index entries View the ICD-9-CM Volume 1 301.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 301.50 also known as: Hysterical personality NOS Index entries containing 301.50: Disorder - see also Disease personality 301.9 histrionic 301.50 hysterical 301.50 Personality histrionic 301.50 hysterical 301.50