S72.361Q Displaced segmental fracture of shaft of right femur, subsequent encounter for open fracture type I or II with malunion

Name of the Condition

• Displaced Segmental Fracture of Shaft of Right Femur, Subsequent Encounter for Open Fracture Type I or II with Malunion

Summary

A displaced segmental fracture of the right femur shaft involves a break in the long, central portion of the thigh bone with two separate fracture lines, creating a free-floating bone segment. The term "displaced" indicates the bone fragments are not aligned, and "open fracture type I or II" means the fracture communicates with the skin (type I: less than 1 cm wound; type II: greater than 1 cm wound without extensive soft tissue damage). "Malunion" refers to improper healing where the bone fragments have aligned incorrectly. This condition requires evaluation to determine the extent of displacement, healing status, and appropriate management during a subsequent encounter.

Causes

Such fractures typically result from high-impact trauma, such as motor vehicle accidents, falls from significant heights, or direct blows to the thigh. Rotational forces or axial loading (e.g., during sports or industrial injuries) can also cause this type of break. Open fractures occur when the bone pierces the skin or there is a wound communicating with the fracture site, and malunion may develop if initial treatment or healing was inadequate.

Risk Factors

• Participation in high-impact sports or activities.
• Osteoporosis or other bone-weakening conditions.
• Advanced age, due to decreased bone density.
• Prior history of fractures or bone abnormalities.
• Trauma or accidents involving significant force.
• Inadequate initial fracture management or healing complications.

Symptoms

• Persistent pain at the fracture site, even during rest.
• Swelling, bruising, or tenderness around the healed fracture.
• Visible deformity or shortening of the leg (if malunion is severe).
• Limited range of motion or difficulty bearing weight.
• Possible numbness or tingling if nerve involvement occurred during healing.

Diagnosis

Physical examination to assess pain, alignment, and function. Imaging, such as X-rays or CT scans, to evaluate fracture healing, malunion, and any residual displacement. Assessment of the open fracture wound (if still present) and surrounding soft tissue. Review of prior treatment and healing progress to determine the need for intervention.

Treatment Options

Treatment depends on the severity of malunion and functional impairment. Options may include physical therapy to improve strength and mobility, orthopedic devices (e.g., braces) for support, or surgical intervention (e.g., osteotomy) to realign the bone. Management of any residual open wound or infection risk is also critical. Pain management and rehabilitation are typically part of the plan.

Prognosis and Follow-Up

Prognosis varies based on the degree of malunion and functional impact. Most patients can achieve improved mobility with treatment, but some may experience long-term limitations. Follow-up appointments monitor healing, alignment, and functional recovery. Regular imaging may be used to assess progress, and adjustments to the treatment plan are made as needed.

Complications

• Chronic pain or discomfort.
• Limited mobility or gait abnormalities.
• Nerve or vascular damage from the original injury or malunion.
• Increased risk of future fractures due to weakened bone.
• Residual soft tissue damage or infection (if the open fracture persists).

Lifestyle & Prevention

• Avoid high-impact activities that risk re-injury until cleared by a healthcare provider.
• Engage in low-impact exercises (e.g., swimming, cycling) to maintain strength and mobility.
• Ensure adequate calcium and vitamin D intake to support bone health.
• Use protective equipment during activities with fall risks.
• Follow rehabilitation guidelines to optimize healing and function.

When to Seek Professional Help

Seek care if you experience increasing pain, swelling, or deformity at the fracture site. Contact a provider if you notice numbness, tingling, or changes in skin color (indicating potential nerve or vascular issues). Prompt evaluation is needed for signs of infection, such as redness, warmth, or drainage from the wound.

Tips for Medical Coders

Document the subsequent encounter, open fracture type (I or II), and malunion clearly. Include details on the fracture's healing status, any residual displacement, and the impact on function. Ensure the open fracture classification aligns with clinical findings (e.g., wound size, soft tissue damage) and that malunion is explicitly noted to support the code.