F43.11 – Post-Traumatic Stress Disorder, Acute
Unveiling the ICD code F43.24 - an essential guide for healthcare pros. Learn about diagnosis, billability, clinical info, synonyms, related codes, & more.

F43.11 diagnosis code: Post-traumatic stress disorder, acute
- F43.11 is the ICD-10-CM code for diagnosing acute post-traumatic stress disorder (PTSD).
- Symptoms include intense distress, nightmares, flashbacks, and avoidance behaviors related to the traumatic event.
- This code is essential for accurately diagnosing and treating patients suffering from the acute symptoms of PTSD.
- Early detection and treatment can help prevent the progression into a chronic form of PTSD.
Is F43.11 billable?
Yes, F43.11 is a billable code. This code can indicate a diagnosis on a reimbursement claim, supporting the medical necessity for the treatment or procedure provided.
Clinical information
- Post-traumatic stress disorder (PTSD) is a mental health disorder that can occur after experiencing a traumatic event such as war, natural disasters, accidents, or personal assault.
- Symptoms include nightmares or flashbacks of the event, intense distress when reminded of the trauma, emotional numbness, irritability, difficulty sleeping, and avoidance of anything that reminds them.
- PTSD is classified as acute when symptoms persist for 1 to 3 months and as chronic when symptoms last longer than three months.
- If left untreated, acute PTSD can progress to chronic PTSD, which involves long-lasting and more severe symptoms.
- Treatment usually involves cognitive-behavioral therapy (CBT), eye movement desensitization and reprocessing (EMDR), and sometimes medication.
Synonyms include
- Acute post-traumatic stress disorder
- PTSD, acute
- Acute PTSD
- Acute traumatic stress disorder
Other ICD-10 codes commonly used for post-traumatic stress disorder
- F43.10: Post-traumatic stress disorder, unspecified
- F43.12: Post-traumatic stress disorder, chronic
- F43.8: Other reactions to severe stress
- F43.9: Reaction to severe stress, unspecified
- F43.0: Acute stress reaction
- F43.20: Adjustment disorder, unspecified
- F43.21: Adjustment disorder with depressed mood
- F43.22: Adjustment disorder with anxiety
Commonly asked questions
People with PTSD often face everyday struggles, such as intense psychological distress when reminded of past trauma. They may also experience increased psychological sensitivity, making them easily startled by sounds, sights, or situations others might find harmless. Daily life can feel overwhelming due to difficulties with concentration, sleep disturbances, and avoiding places or people that trigger painful memories.
To get a PTSD diagnosis, qualified mental health providers will conduct an evaluation where they might ask about past experiences involving a stressful event, particularly one that may have had a threatening or catastrophic nature. The assessment often includes exploring how these experiences could be affecting the person’s thoughts, emotions, and daily life. The person must also show actual or preferred avoidance of situations resembling or associated with the stressor, which was not present before the exposure.
Acute stress disorder (ASD) and post-traumatic stress disorder (PTSD) are trauma and stress-related disorders involving intrusive thoughts, avoidance, and changes in mood and arousal. ASD begins soon after the trauma, lasting 3 days to 1 month, while PTSD lasts over a month and can develop within 6 months of the event.