F43.11 Post-traumatic stress disorder, acute
ICD-10-CM · CMS code reference
F43.11 is PTSD (post-traumatic stress disorder) that the provider documents as acute. If it is documented as chronic, use F43.12; if the record does not say either way, use F43.10.
Related codes
F43.0Acute stress reaction ICD-10-CMF43.10Post-traumatic stress disorder, unspecified ICD-10-CMF43.12Post-traumatic stress disorder, chronic ICD-10-CMF43.20Adjustment disorder, unspecified ICD-10-CMF43.21Adjustment disorder with depressed mood ICD-10-CMF43.22Adjustment disorder with anxiety ICD-10-CMF43.23Adjustment disorder with mixed anxiety and depressed mood ICD-10-CMF43.24Adjustment disorder with disturbance of conduct ICD-10-CM
Common questions
What's the difference between F43.11 and F43.12?
Both are post-traumatic stress disorder. F43.11 is for PTSD the provider documents as acute, and F43.12 is for PTSD documented as chronic. The code follows the provider's wording; when the record says neither, use F43.10.
Is F43.11 a billable code?
Yes. F43.11 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.