DSM-IV

In DSM-IV, this disorder is called Delirium Not Otherwise Specified

For more information, see Delirium

This category should be used to diagnose a delirium that does not meet criteria for any of the specific types of delirium described in this section.

Examples include

  1. A clinical presentation of delirium that is suspected to be due to a general medical condition or substance use but for which there is insufficient evidence to establish a specific etiology
  2. Delirium due to causes not listed in this section (e.g., sensory deprivation)

DSM-5

This category applies to presentations in which symptoms characteristic of delirium that cause clinically significant distress or impairment in social, occupational, or other important areas of functioning predominate but do not meet the full criteria for delirium or any of the disorders in the neurocognitive disorders diagnostic class. The unspecified delirium category is used in situations in which the clinician chooses not to specify the reason that the criteria are not met for delirium, and includes presentations for which there is insufficient information to make a more specific diagnosis (e.g., in emergency room settings).

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