F43.1

Post-traumatic stress disorder (PTSD)

FY2027Chapter 5: Mental, Behavioral and Neurodevelopmental disorders/F40–F48 Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

F43.1 is a non-billable ICD-10-CM code header for post-traumatic stress disorder (PTSD). 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 F43.10 Post-traumatic stress disorder, unspecified; F43.11 Post-traumatic stress disorder, acute and F43.12 Post-traumatic stress disorder, chronic. 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

Inclusion terms

Conditions classified to this code.

This code
  • Traumatic neurosis

More specific codes under F43.1 3