F31.8
Other bipolar affective disorders
Coding guidance (WHO 2019)
Bipolar II disorder Recurrent manic episodes NOS
Sibling codes
F31Bipolar affective disorderF31.0Bipolar affective disorder, current episode hypomanicF31.1Bipolar affective disorder, current episode manic without psychotic symptomsF31.2Bipolar affective disorder, current episode manic with psychotic symptomsF31.3Bipolar affective disorder, current episode mild or moderate depressionF31.4Bipolar affective disorder, current episode severe depression without psychotic symptomsF31.5Bipolar affective disorder, current episode severe depression with psychotic symptomsF31.6Bipolar affective disorder, current episode mixedF31.7Bipolar affective disorder, currently in remissionF31.9Bipolar affective disorder, unspecified