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ICD-11 Criteria for Rapid Cycling in Mood Disorder

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ICD-11 Criteria for Rapid Cycling in Mood Disorder

 6A80.5

Description

In the context of bipolar type I or bipolar type II disorder, there has been a high frequency of mood episodes (at least four) over the past 12 months. There may be a switch from one polarity of mood to the other, or the mood episodes may be demarcated by a period of remission. In individuals with a high frequency of mood episodes, some may have a shorter duration than those usually observed in bipolar type I or bipolar type II disorder. In particular, depressive periods may only last several days. If depressive and manic symptoms alternate very rapidly (i.e., from day to day or within the same day), a mixed episode should be diagnosed rather than rapid cycling.

Diagnostic Requirements

This specifier can be applied if the Bipolar Type I or Bipolar Type II Disorder is characterized by a high frequency of Mood Episodes (at least four) over the past 12 months. There may be a switch from one polarity of mood to the other, or the Mood Episodes may be demarcated by a period of remission.

In individuals with a high frequency of Mood Episodes, some may have a shorter duration than those usually observed in Bipolar Type I or Bipolar Type II Disorder. In particular, depressive periods may only last several days. However, if depressive and manic symptoms alternate very rapidly (i.e., from day to day or within the same day), a Mixed Episode should be diagnosed rather than rapid cycling.

Reference:

International Classification of Diseases Eleventh Revision (ICD-11). Geneva: World Health Organization; 2022. License: CC BY-ND 3.0 IGO.

https://creativecommons.org/licenses/by-nc-nd/3.0/igo/

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