Table of Contents

F30-31 : Bipolar Disorders

F31 Bipolar Affective Disorder

A disorder characterized by two or more episodes in which the patient's mood and activity levels are significantly disturbed, this disturbance consisting on some occasions of hypomania or mania, and on others, depression. Repeated episodes of hypomania or mania only are classified as bipolar.

F31.0 Hypomanic Episode

A. The mood is elevated or irritable to a degree that is definitely abnormal for the individual concerned and sustained for at least 4 consecutive days.

B. At least three of the following signs must be present, leading to some interference with personal functioning in daily living:

  1. increased activity or physical restlessness.
  2. increased talkativeness.
  3. difficulty in concentration or distractability.
  4. decreased need for sleep.
  5. increased sexual energy.
  6. mild overspending, or other types of reckless or irresponsible behaviour.
  7. increased sociability or overfamiliarity  

F30.1 Manic Episode

A. Mood must be predominantly elevated, expansive or irritable, and definitely abnormal for the individual concerned. The mood change must be prominent and sustained for at least 1 week (unless it is severe enough to require hospital admission).

B. At least three of the following signs must be present (four if the mood is merely irritable), leading to severe interference with personal functioning in daily living:

  1. increased activity or physical restlessness.
  2. increased talkativeness
  3. flight of ideas or the subjective experience of thoughts racing.
  4. loss of normal social inhibitions, resulting in behaviour that is inappropriate to the circumstances.
  5. decreased need for sleep.
  6. inflated self-esteem or grandiosity.
  7. distractibility or constant changes in activity or plans.
  8. behaviour that is foolhardy or reckless and whose risks the individual does not recognize, e.g. spending sprees, foolish enterprises, reckless driving.
  9. marked sexual energy or sexual indiscretions.