<unk>  disorder is difficult to diagnose. If a person displays some symptoms of<unk>  disorder but not others, the clinician may diagnose<unk>  NOS. The diagnosis of<unk>  NOS is indicated when there is a rapid change (days) between manic and depressive symptoms and can also include recurring episodes of hypomania.<unk>  NOS may be diagnosed when it is difficult to tell whether<unk>  is the primary disorder due to another general medical condition, such as a substance use disorder.
Bipolar disorder not otherwise specified
Bipolar I disorder
Bipolar II disorder
Major depressive episode
Schizoaffective disorder
Secondary mania
Outline of bipolar disorder
Atypical depression