ICD-11 code : 6A61;
Preferred Label : Bipolar type II disorder;
ICD-11 definition : Bipolar type II disorder is an episodic mood disorder defined by the occurrence of
one or more hypomanic episodes and at least one depressive episode. A hypomanic episode
is a persistent mood state lasting for at least several days characterised by persistent
elevation of mood or increased irritability as well as increased activity or a subjective
experience of increased energy, accompanied by other characteristic symptoms such
as increased talkativeness, rapid or racing thoughts, increased self-esteem, decreased
need for sleep, distractability, and impulsive or reckless behavior. The symptoms
represent a change from the individual's typical mood, energy level, and behavior
but are not severe enough to cause marked impairment in functioning. A depressive
episode is characterised by a period of depressed mood or diminished interest in activities
occurring most of the day, nearly every day during a period lasting at least two weeks
accompanied by other symptoms such as changes in appetite or sleep, psychomotor agitation
or retardation, fatigue, feelings of worthless or excessive or inappropriate guilt,
feelings or hopelessness, difficulty concentrating, and suicidality. There is no history
of manic or mixed episodes.;
ICD-11 "other" category code : 6A61.Y;
ICD-11 "unspecified" category code : 6A61.Z;
Origin ID : 199053300;
Automatic exact mappings (from CISMeF team)
ICD-10 Mapping
Bipolar type II disorder is an episodic mood disorder defined by the occurrence of
one or more hypomanic episodes and at least one depressive episode. A hypomanic episode
is a persistent mood state lasting for at least several days characterised by persistent
elevation of mood or increased irritability as well as increased activity or a subjective
experience of increased energy, accompanied by other characteristic symptoms such
as increased talkativeness, rapid or racing thoughts, increased self-esteem, decreased
need for sleep, distractability, and impulsive or reckless behavior. The symptoms
represent a change from the individual's typical mood, energy level, and behavior
but are not severe enough to cause marked impairment in functioning. A depressive
episode is characterised by a period of depressed mood or diminished interest in activities
occurring most of the day, nearly every day during a period lasting at least two weeks
accompanied by other symptoms such as changes in appetite or sleep, psychomotor agitation
or retardation, fatigue, feelings of worthless or excessive or inappropriate guilt,
feelings or hopelessness, difficulty concentrating, and suicidality. There is no history
of manic or mixed episodes.