Which of the following is NOT a mood disorder in the DSM-5-TR?

Question

BlackTom AI · Accepted Answer

Major Depressive Disorder, Bipolar I Disorder, and Cyclothymic Disorder are all formal DSM-5-TR diagnoses; "Persistent Dysregulation Disorder" is not a DSM-5-TR diagnostic label.

1) Relevant knowledge points and concepts
- DSM-5-TR groups mood disorders primarily into Depressive Disorders and Bipolar and Related Disorders.  
- Major Depressive Disorder (MDD) is a core Depressive Disorder.  
- Bipolar I Disorder is a core Bipolar and Related Disorder.  
- Cyclothymic Disorder is a recognized bipolar-spectrum disorder characterized by chronic, fluctuating mood disturbances of hypomanic and depressive symptoms that do not meet full criteria for hypomanic or major depressive episodes.  
- There are related childhood diagnoses like Disruptive Mood Dysregulation Disorder (DMDD), and a persistent depressive diagnosis called Persistent Depressive Disorder (dysthymia). However, "Persistent Dysregulation Disorder" is not an official DSM-5-TR term.

2) Step-by-step reasoning
- Evaluate each option against the DSM-5-TR diagnostic lists:
  a) Major Depressive Disorder — listed in Depressive Disorders. -> Official mood disorder.
  b) Persistent Dysregulation Disorder — search DSM-5-TR; no such disorder name appears. It is not the correct DSM label. -> Not a mood disorder.
  c) Bipolar I — listed under Bipolar and Related Disorders. -> Official mood disorder.
  d) Cyclothymic Disorder — listed under Bipolar and Related Disorders. -> Official mood disorder.

3) Intermediate steps (checking for possible confusions)
- Distinguish similarly named diagnoses: Persistent Depressive Disorder (formerly dysthymia) exists in DSM-5-TR; Disruptive Mood Dysregulation Disorder (DMDD) exists for children. Neither of these is called "Persistent Dysregulation Disorder," so that specific label is invalid.

4) Why the correct answer is correct
- "Persistent Dysregulation Disorder" is not contained in DSM-5-TR’s diagnostic taxonomy; it appears to be a nonstandard or conflated phrase. Therefore it is NOT a DSM-5-TR mood disorder.

5) Why other options are incorrect (i.e., why they are mood disorders)
- Major Depressive Disorder: defined Depressive Disorder with criteria for major depressive episodes.  
- Bipolar I: defined by occurrence of manic episodes (and often depressive episodes).  
- Cyclothymic Disorder: chronic, milder bipolar-spectrum condition. All three are DSM-5-TR mood disorders.

6) Conclusion
The option that is NOT a mood disorder in DSM-5-TR is "Persistent Dysregulation Disorder," which matches the provided answer.

Which of the following is NOT a mood disorder in the DSM-5-TR?Single choice

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