Bipolar affective disorder

There are a number of Bipolar Affective Disorders based on the latest episode of manic, hypomanic, and depressive episodes.

See:
http://www.mentalhealth.com/dis1/p21-md02.html

Note that DID is not listed among the differential diagnoses, even though DID symptoms can include manic, hypomanic, and depressive episodes.

Society for Neuroscience information on Bipolar