2022 ICD-10-CM Codes for Dissociative and conversion disorders (F44)

Clinical Terms for Dissociative and conversion disorders (F44)

Dissociative Disorders-. Sudden temporary alterations in the normally integrative functions of consciousness.

Conversion Disorder-. A disorder whose predominant feature is a loss or alteration in physical functioning that suggests a physical disorder but that is actually a direct expression of a psychological conflict or need.

Hysteria-. Historical term for a chronic, but fluctuating, disorder beginning in early life and characterized by recurrent and multiple somatic complaints not apparently due to physical illness. This diagnosis is not used in contemporary practice.

Instructional Notations

Includes Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.

  • conversion hysteria
  • conversion reaction
  • hysteria
  • hysterical psychosis

Type 2 Excludes Type 2 Excludes
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.

  • malingering [conscious simulation] Z76.5