chronic mood disturbance of at least 2 years' duration involving numerous hypomanic episodes separated by periods of depression or loss of pleasure or interest.
Affective disorder characterized by alternating and recurring periods of depression and elation, similar to manic depressive disorder but of a less severe nature.
Also applicable to/known as
Cycloid personality
Cyclothymia
Cyclothymic personality
ICD-9-CM Volume 2 Index Entries That Refer To 301.13