1. F43 Reaction to severe stress, and adjustment disorders

    1. F43.0 Acute stress reaction

      Inclusion term(s):

      • Acute crisis reaction
      • Acute reaction to stress
      • Combat and operational stress reaction
      • Combat fatigue
      • Crisis state
      • Psychic shock
    2. F43.1 Post-traumatic stress disorder (PTSD)

      Inclusion term(s):

      • Traumatic neurosis
      1. F43.10 Post-traumatic stress disorder, unspecified

      2. F43.11 Post-traumatic stress disorder, acute

      3. F43.12 Post-traumatic stress disorder, chronic

    3. F43.2 Adjustment disorders

      Inclusion term(s):

      • Culture shock
      • Grief reaction
      • Hospitalism in children
      1. F43.20 Adjustment disorder, unspecified

      2. F43.21 Adjustment disorder with depressed mood

      3. F43.22 Adjustment disorder with anxiety

      4. F43.23 Adjustment disorder with mixed anxiety and depressed mood

      5. F43.24 Adjustment disorder with disturbance of conduct

      6. F43.25 Adjustment disorder with mixed disturbance of emotions and conduct

      7. F43.29 Adjustment disorder with other symptoms

    4. F43.8 Other reactions to severe stress

      Inclusion term(s):

      • Other specified trauma and stressor-related disorder
      1. F43.81 Prolonged grief disorder

        Inclusion term(s):

        • Complicated grief
        • Complicated grief disorder
        • Persistent complex bereavement disorder
      2. F43.89 Other reactions to severe stress

    5. F43.9 Reaction to severe stress, unspecified

      Inclusion term(s):

      • Trauma and stressor-related disorder, NOS
      • Unspecified trauma and stressor-related disorder
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.