I am curious about different MI and this was one question I have been wondering about.

Note: I don't have an official diagnosis of depression and/or bipolar, but I feel like I have atypical depression.

Anyways, how is someone able to be diagnosed with both bipolar and depression? Is there a sub-type that says depressive mood for bipolar? I don't know how this works, so maybe people here will be able to give me an insight.

Thanks