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2025 ICD-10-CM code S25.09

Other specified injury of the thoracic aorta.

Use secondary code(s) from Chapter 20 (External causes of morbidity) to indicate the cause of injury, unless already incorporated into the T-section code.If a retained foreign body is present, use an additional code from the Z18.- series.The seventh character (A, D, or S) is required to indicate the encounter status (initial, subsequent, or sequela).

Modifiers may be applicable depending on the circumstances of the injury and the services provided.Consult your local payer guidelines for details.

The medical necessity for coding S25.09 hinges on the clinical documentation supporting the diagnosis of a specified thoracic aorta injury.This necessitates a clear description of the injury mechanism and the objective evidence obtained through physical examination and diagnostic imaging to demonstrate the need for treatment and intervention.

Diagnosis is based on patient history, physical exam (including vascular assessment), lab studies (blood tests, BUN, creatinine if contrast imaging is planned), and imaging (X-rays, CT, MRI, Doppler ultrasound). Treatment may involve observation, supportive care, medication (anticoagulants, platelet therapy), blood pressure management, and surgery depending on the severity.

IMPORTANT:Use additional code Z18.- for retained foreign body if applicable.Code S25.9 (Injury of unspecified blood vessel of thorax) is used when the specific blood vessel injured is unknown.Consider additional codes from Chapter 20 (External causes of morbidity) to specify the cause of injury unless already included in the T-section code.

In simple words: This code describes damage to the main artery in the chest (thoracic aorta) caused by an injury, like a stab wound, gunshot, or accident.It covers injuries not specifically described by other codes.

This code classifies a laceration, tear, contusion, or other trauma-related damage to the thoracic aorta not otherwise specified.The injury may result from various causes including puncture wounds, gunshot wounds, external compression, force, or complications from catheterization or thoracic surgery.Potential consequences include aortic laceration or transection, hematoma formation, exsanguination, hemorrhage, hypotension, fistula formation, or pseudoaneurysm.

Example 1: A patient presents after a motor vehicle accident with chest pain and hypotension. Imaging reveals a transected thoracic aorta.S25.09 is coded, along with codes from Chapter 20 to specify the accident (e.g., V89.XX for unspecified motor vehicle accident)., During a cardiac catheterization, the thoracic aorta is inadvertently lacerated. S25.09 is used to code the injury, along with a code to document the complication of the procedure. , A patient sustains a penetrating wound to the chest from a knife attack.The injury involves a tear in the thoracic aorta.S25.09 is coded, with additional codes from Chapter 20 to indicate the nature of the assault (e.g., X92 for assault by other person).

Complete medical history including mechanism of injury, physical examination findings (vital signs, vascular exam), results of relevant laboratory tests (complete blood count, coagulation studies, BUN, creatinine if applicable), and imaging studies (chest X-ray, CT angiogram, MRI, Doppler ultrasound). Operative reports if surgery was performed.

** This code is for other specified injuries to the thoracic aorta. It is essential to accurately document the type of injury and the cause to ensure appropriate coding and reimbursement.

  • Payment Status: Active
  • Modifier TC rule: Not applicable to this diagnosis code.
  • Specialties:Cardiovascular Surgery, Trauma Surgery, Vascular Surgery
  • Place of Service:Inpatient Hospital, Emergency Room - Hospital, Ambulatory Surgical Center
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