1. F48 Other nonpsychotic mental disorders

    1. F48.1 Depersonalization-derealization syndrome

    2. F48.2 Pseudobulbar affect

      Inclusion term(s):

      • Involuntary emotional expression disorder
    3. F48.8 Other specified nonpsychotic mental disorders

      Inclusion term(s):

      • Dhat syndrome
      • Neurasthenia
      • Occupational neurosis, including writer's cramp
      • Psychasthenia
      • Psychasthenic neurosis
      • Psychogenic syncope
    4. F48.9 Nonpsychotic mental disorder, unspecified

      Inclusion term(s):

      • Neurosis NOS
Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.