I like to use icd10data.com - You can drill down by category to see the different options. This is copied from that site:
Codes
F31 Bipolar disorder F31.0 Bipolar disorder, current episode hypomanic
F31.1 Bipolar disorder, current episode manic without psychotic features
F31.10 …… unspecified
F31.11 …… mild
F31.12 …… moderate
F31.13 …… severe
F31.2 Bipolar disorder, current episode manic severe with psychotic features
F31.3 Bipolar disorder, current episode depressed, mild or moderate severity
F31.30 …… unspecified
F31.31 Bipolar disorder, current episode depressed, mild
F31.32 Bipolar disorder, current episode depressed, moderate
F31.4 Bipolar disorder, current episode depressed, severe, without psychotic features
F31.5 Bipolar disorder, current episode depressed, severe, with psychotic features
F31.6 Bipolar disorder, current episode mixed
F31.60 …… unspecified
F31.61 …… mild
F31.62 …… moderate
F31.63 …… severe, without psychotic features
F31.64 …… severe, with psychotic features
F31.7 Bipolar disorder, currently in remission
F31.70 …… most recent episode unspecified
F31.71 Bipolar disorder, in partial remission, most recent episode hypomanic
F31.72 Bipolar disorder, in full remission, most recent episode hypomanic
F31.73 Bipolar disorder, in partial remission, most recent episode manic
F31.74 Bipolar disorder, in full remission, most recent episode manic
F31.75 Bipolar disorder, in partial remission, most recent episode depressed
F31.76 Bipolar disorder, in full remission, most recent episode depressed
F31.77 Bipolar disorder, in partial remission, most recent episode mixed
F31.78 Bipolar disorder, in full remission, most recent episode mixed
F31.8 Other bipolar disorders F31.81 Bipolar II disorder
F31.89 Other bipolar disorder
F31.9 Bipolar disorder, unspecified