Bipolar NOS
Encyclopedia
Bipolar disorder NOS is a diagnosis for bipolar disorder
Bipolar disorder
Bipolar disorder or bipolar affective disorder, historically known as manic–depressive disorder, is a psychiatric diagnosis that describes a category of mood disorders defined by the presence of one or more episodes of abnormally elevated energy levels, cognition, and mood with or without one or...

 (BD) when it does not fall within the other established sub-types Sub-types of bipolar are part of the bipolar spectrum
Bipolar spectrum
The bipolar spectrum refers to a category of mood disorders that feature abnormally elevated or depressed mood. These disorders range from bipolar I disorder, featuring full-blown manic episodes, to cyclothymia, featuring less prominent hypomanic episodes, to "subsyndromal" conditions where only...

. Bipolar NOS is described as drastic changes in mood, it is considered a mood disorder.This disorder usually occurs during early adulthood but may have symptoms during childhood. Bipolar NOS occurs in roughly 2.4% of those who have Bipolar Disorder. Bipolar NOS is listed in the DSM-IV and DSM-IV-TR
Diagnostic and Statistical Manual of Mental Disorders
The Diagnostic and Statistical Manual of Mental Disorders is published by the American Psychiatric Association and provides a common language and standard criteria for the classification of mental disorders...

 as diagnostic code 296.8. It is estimated to affect 2.4% of the population, more than bipolar I and bipolar II combined.

Bipolar Disorder, Nos can be used as a precautionary diagnosis when an individual shows various symptoms of Bipolar disorder. A physician will document these behaviors simply to keep records to use comparatively if the condition worsens.

Nomenclature

Bipolar disorder is sometimes referred to as manic depression, though the former term is now more common. Bipolar disorder NOS is sometimes referred to as subthreshold bipolar disorder.

See also

National Institute of Mental Health: "Bipolar Spectrum Disorder May Be Underrecognized and Improperly Treated"
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