Definition of Bipolar I disorder
Bipolar I disorder: The diagnosis of bipolar I disorder requires that the individual has at least one manic episode but does not require a history of major depression.
See also: Bipolar disorder.
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=30743
Last Editorial Review: 10/9/2012
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