Cellosaurus Disease Terminology mCode Terminology mCode Elixhauser Psychosis Value Set Bipolar Disorder NICHD Bipolar_Disorder Bipolar disorder, unspecified Bipolar Disorder A disorder of the brain that causes unusual shifts in mood, energy, activity levels and the ability to carry out day-to-day tasks. Often these moods range and shift from periods of elation and energized behavior to those of hopelessness and depression. C0005586 Manic-Depression mCode Bipolar Disorder C34423 Mental or Behavioral Dysfunction Cellosaurus Manic Depressive Disorder NICHD Terminology Mood Disorder Neurological Development Terminology