2006 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.* > 2006 ICD-9-CM Diagnosis 301.13 Cyclothymic disorder View the most recent version of ICD-9-CM 301.13 An affective disorder characterized by periods of depression and hypomania. These may be separated by periods of normal mood. 301.13 is a specific code that can be used to specify a diagnosis 301.13 contains 6 index entries View the ICD-9-CM Volume 1 301.* hierarchy Alternate Terminology Cycloid personality Cyclothymia Cyclothymic personality  Index entries containing 301.13: Cyclothymia 301.13 Cyclothymic personality 301.13 Disorder - see also Disease cyclothymic 301.13 personality 301.9 cyclothymic 301.13 Personality cycloid 301.13 cyclothymic 301.13