F31 - Bipolar disorder
F31.6 - Bipolar disorder, current episode mixed
F31.60 - Bipolar disorder, current episode mixed, unspecified
F31.61 - Bipolar disorder, current episode mixed, mild
F31.62 - Bipolar disorder, current episode mixed, moderate
F31.63 - Bipolar disorder, current episode mixed, severe, without psychotic features
F31.64 - Bipolar disorder, current episode mixed, severe, with psychotic features