2019 ICD-10-CM Diagnosis Code F43.0

Acute stress reaction

    2016 2017 2018 2019 Billable/Specific Code
  • F43.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM F43.0 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of F43.0 - other international versions of ICD-10 F43.0 may differ.
Applicable To
  • Acute crisis reaction
  • Acute reaction to stress
  • Combat and operational stress reaction
  • Combat fatigue
  • Crisis state
  • Psychic shock
The following code(s) above F43.0 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to F43.0:
  • F01-F99
    2019 ICD-10-CM Range F01-F99

    Mental, Behavioral and Neurodevelopmental disorders

    Includes
    • disorders of psychological development
    Type 2 Excludes
    • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
    Mental, Behavioral and Neurodevelopmental disorders
Approximate Synonyms
  • Acute situational disturbance
  • Acute stress disorder
  • Fugue state due to stress reaction
  • Situational disturbance, acute
  • Stress reaction w fugue
  • Stress reaction, fugue
Clinical Information
  • A class of traumatic stress disorders that is characterized by the significant dissociative states seen immediately after overwhelming trauma. By definition it cannot last longer than 1 month, if it persists, a diagnosis of post-traumatic stress disorder (stress disorders, post-traumatic) is more appropriate.
  • An anxiety disorder precipitated by an experience of intense fear or horror while exposed to a traumatic (especially life-threatening) event. The disorder is characterized by dissociative symptoms; vivid recollections of the traumatic event; avoidance of stimuli associated with the traumatic event; and a constant state of hyperarousal for no more than one month.
  • Disorder characterized by the development of anxiety and dissociative symptoms as a result of exposure to a traumatic event. Symptoms last at least two days and no longer than four weeks.
ICD-10-CM F43.0 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 880 Acute adjustment reaction and psychosocial dysfunction

Convert F43.0 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
Code annotations containing back-references to F43.0:
  • Type 1 Excludes: R53.8
    , R57
    ICD-10-CM Diagnosis Code R53.8

    Other malaise and fatigue

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • combat exhaustion and fatigue (F43.0)
    • congenital debility (P96.9)
    • exhaustion and fatigue due to excessive exertion (T73.3)
    • exhaustion and fatigue due to exposure (T73.2)
    • exhaustion and fatigue due to heat (T67.-)
    • exhaustion and fatigue due to pregnancy (O26.8-)
    • exhaustion and fatigue due to recurrent depressive episode (F33)
    • exhaustion and fatigue due to senile debility (R54)
    ICD-10-CM Diagnosis Code R57

    Shock, not elsewhere classified

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • anaphylactic shock NOS (T78.2)
    • anaphylactic reaction or shock due to adverse food reaction (T78.0-)
    • anaphylactic shock due to adverse effect of correct drug or medicament properly administered (T88.6)
    • anaphylactic shock due to serum (T80.5-)
    • anesthetic shock (T88.3)
    • electric shock (T75.4)
    • obstetric shock (O75.1)
    • postprocedural shock (T81.1-)
    • psychic shock (F43.0)
    • shock complicating or following ectopic or molar pregnancy (O00-O07, O08.3)
    • shock due to lightning (T75.01)
    • traumatic shock (T79.4)
    • toxic shock syndrome (A48.3)
  • Type 2 Excludes: F41
    ICD-10-CM Diagnosis Code F41

    Other anxiety disorders

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • anxiety in:
    • acute stress reaction (F43.0)
    • transient adjustment reaction (F43.2)
    • neurasthenia (F48.8)
    • psychophysiologic disorders (F45.-)
    • separation anxiety (F93.0)

Diagnosis Index entries containing back-references to F43.0:
  • Battle exhaustion F43.0
  • Combat fatigue F43.0
  • Crisis
    • emotional - see also Disorder, adjustment
      • acute reaction to stress F43.0
    • acute reaction F43.0
    • state F43.0 (acute reaction)
  • Delirium, delirious (acute or subacute) (not alcohol- or drug-induced) (with dementia) R41.0
    ICD-10-CM Diagnosis Code R41.0

    Disorientation, unspecified

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Confusion NOS
    • Delirium NOS
    • exhaustion F43.0
  • Disorder (of) - see also Disease
    • acute
      • stress F43.0
    • dissociative F44.9
      ICD-10-CM Diagnosis Code F44.9

      Dissociative and conversion disorder, unspecified

        2016 2017 2018 2019 Billable/Specific Code
      Applicable To
      • Dissociative disorder NOS
      • brief reactive F43.0
    • stress F43.9
      ICD-10-CM Diagnosis Code F43.9

      Reaction to severe stress, unspecified

        2016 2017 2018 2019 Billable/Specific Code
      Applicable To
      • Trauma and stressor-related disorder, NOS
      • acute F43.0
  • Disturbance(s) - see also Disease
    • situational (transient) - see also Disorder, adjustment
      • acute F43.0
  • Exhaustion, exhaustive (physical NEC) R53.83
    ICD-10-CM Diagnosis Code R53.83

    Other fatigue

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Fatigue NOS
    • Lack of energy
    • Lethargy
    • Tiredness
    Type 2 Excludes
    • exhaustion and fatigue due to depressive episode (F32.-)
    • battle F43.0
    • delirium F43.0
    • psychosis F43.0
  • Fatigue R53.83
    ICD-10-CM Diagnosis Code R53.83

    Other fatigue

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Fatigue NOS
    • Lack of energy
    • Lethargy
    • Tiredness
    Type 2 Excludes
    • exhaustion and fatigue due to depressive episode (F32.-)
    • combat F43.0
  • Fugue R68.89
    ICD-10-CM Diagnosis Code R68.89

    Other general symptoms and signs

      2016 2017 2018 2019 Billable/Specific Code
    • reaction to exceptional stress F43.0 (transient)
  • Panic (attack) (state) F41.0
    ICD-10-CM Diagnosis Code F41.0

    Panic disorder [episodic paroxysmal anxiety]

      2016 2017 2018 - Revised Code 2019 Billable/Specific Code
    Applicable To
    • Panic attack
    • Panic state
    Type 1 Excludes
    • panic disorder with agoraphobia (F40.01)
    • reaction to exceptional stress F43.0 (transient)
  • Psychosis, psychotic F29
    ICD-10-CM Diagnosis Code F29

    Unspecified psychosis not due to a substance or known physiological condition

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Psychosis NOS
    • Unspecified schizophrenia spectrum and other psychotic disorder
    Type 1 Excludes
    • mental disorder NOS (F99)
    • unspecified mental disorder due to known physiological condition (F09)
    • exhaustive F43.0
  • Reaction - see also Disorder
    • stress (severe) F43.9
      ICD-10-CM Diagnosis Code F43.9

      Reaction to severe stress, unspecified

        2016 2017 2018 2019 Billable/Specific Code
      Applicable To
      • Trauma and stressor-related disorder, NOS
      • acute F43.0 (agitation) ("daze") (disorientation) (disturbance of consciousness) (flight reaction) (fugue)
    • combat and operational stress F43.0
    • crisis, acute F43.0
  • Shellshock (current) F43.0
  • Shock R57.9
    ICD-10-CM Diagnosis Code R57.9

    Shock, unspecified

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Failure of peripheral circulation NOS
    • psychic F43.0
  • Situational
    • disturbance (transient) - see Disorder, adjustment
      • acute F43.0
    • reaction - see Disorder, adjustment
      • acute F43.0
  • State (of)
    • agitated R45.1
      ICD-10-CM Diagnosis Code R45.1

      Restlessness and agitation

        2016 2017 2018 2019 Billable/Specific Code
      • acute reaction to stress F43.0
    • crisis F43.0
  • Stupor (catatonic) R40.1
    ICD-10-CM Diagnosis Code R40.1

    Stupor

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Catatonic stupor
    • Semicoma
    Type 1 Excludes
    • reaction to exceptional stress F43.0 (transient)

ICD-10-CM Codes Adjacent To F43.0
F41.3 Other mixed anxiety disorders
F41.8 Other specified anxiety disorders
F41.9 Anxiety disorder, unspecified
F42 Obsessive-compulsive disorder
F42.2 Mixed obsessional thoughts and acts
F42.3 Hoarding disorder
F42.4 Excoriation (skin-picking) disorder
F42.8 Other obsessive-compulsive disorder
F42.9 Obsessive-compulsive disorder, unspecified
F43 Reaction to severe stress, and adjustment disorders
F43.0 Acute stress reaction
F43.1 Post-traumatic stress disorder (PTSD)
F43.10 Post-traumatic stress disorder, unspecified
F43.11 Post-traumatic stress disorder, acute
F43.12 Post-traumatic stress disorder, chronic
F43.2 Adjustment disorders
F43.20 Adjustment disorder, unspecified
F43.21 Adjustment disorder with depressed mood
F43.22 Adjustment disorder with anxiety
F43.23 Adjustment disorder with mixed anxiety and depressed mood
F43.24 Adjustment disorder with disturbance of conduct

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.