F31 - Bipolar disorder
F31.1 - Bipolar disorder, current episode manic without psychotic features
F31.10 - Bipolar disorder, current episode manic without psychotic features, unspecified
F31.11 - Bipolar disorder, current episode manic without psychotic features, mild
F31.12 - Bipolar disorder, current episode manic without psychotic features, moderate
F31.13 - Bipolar disorder, current episode manic without psychotic features, severe