Bipolar Disorder - Types (DSM-5)

 Bipolar Disorder, as per the Diagnostic and statistical manual of mental disorders (5th ed.), includes the following types

1. Bipolar 1 : this is diagnosed when symptoms of mania last 7 days or more. Also, can be diagnosed when an individual has severe mania which requires hospitalization. 
2. Bipolar 2 : diagnosed when an individual has symptoms of hypomania, preceded or followed by a major depressive episode
3. Cyclothymic disorder : Includes symptoms of hypomania and depression that last for 2 years or more in adults, not severe enough to warrant a diagnosis of the above 2 conditions. 

Ref:

1. American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.). https://doi.org/10.1176/appi.books.9780890425596