2019 ICD-10-CM Diagnosis Code F43

Reaction to severe stress, and adjustment disorders

    2016 2017 2018 2019 Non-Billable/Non-Specific Code
  • F43 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2019 edition of ICD-10-CM F43 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of F43 - other international versions of ICD-10 F43 may differ.
The following code(s) above F43 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:
  • 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
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
ICD-10-CM Codes Adjacent To F43
F41.1 Generalized anxiety disorder
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

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