F43
Reaction to severe stress, and adjustment disorders
Non-billable headerNot valid on its own. Use one of the more specific codes under it.
F43 is a non-billable ICD-10-CM code category for reaction to severe stress, and adjustment disorders. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are F43.0 Acute stress reaction, F43.1 Post-traumatic stress disorder (PTSD), F43.2 Adjustment disorders, F43.8 Other reactions to severe stress and 1 more. Its coding notes include 1 Excludes2 entry.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (1 note)
Inherited from Chapter 5 Mental, Behavioral and Neurodevelopmental disorders
- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Includes
Further defines or gives examples of the content of the category.
Also from chapter/block level (1 note)
Inherited from Chapter 5 Mental, Behavioral and Neurodevelopmental disorders
- disorders of psychological development