Bipolar disorder, formerly known as manic depression, is a psychiatric disorder characterized by severe and unusual changes in energy level, mood, and interactions with others. The mood swings associated with bipolar disorder are unpredictable and range from mania (elevated or irritable mood) to depression (a mood characterized by loss of interest and sadness). Bipolar disorder causes significant impairment in social, occupational, and general functioning. (Gale Encyclopedia of Mental Health, 3rd Edition)
According to the National Institute of Mental Health, there are three major types of bipolar disorder:
DSM-IV (ICD-10) Codes
Bipolar I: DSM-IV and ICD-10 codes are varied. Check the DSM-IV for the correct code.
Bipolar II: 296.89 (F31.81)
Cyclothymia: 301.13 (F34.0)
According to the National Institute of Mental Health,