S82.422R Displaced transverse fracture of shaft of left fibula, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

Name of the Condition

• Displaced transverse fracture of shaft of left fibula, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion
• ICD-10 Code: S82.422R

Summary

A displaced transverse fracture of the shaft of the left fibula is a break in the long, thin bone on the lateral side of the lower leg, where the bone fragments are separated and misaligned. The fracture line runs horizontally across the bone. This is a subsequent encounter for an open fracture (type IIIA, IIIB, or IIIC) with malunion, meaning the fracture has healed in a non-anatomical position, and the skin was breached during the injury. The encounter indicates ongoing care for the healing process.

Causes

Most commonly caused by direct trauma or high-impact forces to the leg, such as falls, sports injuries, or motor vehicle accidents. Twisting motions or sudden impacts can also lead to this type of fracture. Open fractures occur when the force is severe enough to break the skin, and malunion may result from inadequate initial alignment or healing.

Risk Factors

• Participation in contact sports or high-impact activities.
• Osteoporosis or reduced bone density, which increases fragility.
• Advanced age, which may weaken bone strength.
• Previous leg injuries or surgeries.
• Delayed or inadequate initial fracture management.

Symptoms

• Persistent pain and swelling in the lower leg.
• Difficulty bearing weight on the affected leg.
• Bruising or tenderness around the injured area.
• Visible deformity or instability of the leg structure.
• Possible open wound at the fracture site (for open fractures).
• Altered gait or limb alignment due to malunion.

Diagnosis

Diagnosis involves a physical examination by a healthcare professional to assess tenderness, swelling, and deformity. Imaging tests, such as X-rays, are typically used to confirm the fracture, evaluate the degree of malunion, and assess healing progress. Additional imaging (e.g., CT scans) may be used to assess bone alignment and soft tissue involvement.

Treatment Options

Treatment focuses on managing pain, promoting proper healing, and addressing malunion. Options may include pain management, physical therapy to restore function, and possibly surgical intervention to realign the bone if malunion causes functional impairment. Wound care is essential for open fractures to prevent infection.

Prognosis and Follow-Up

Prognosis depends on the severity of the malunion and the patient’s overall health. Follow-up care is critical to monitor healing, assess functional recovery, and address any complications. Long-term outcomes may include residual pain, limited mobility, or the need for additional interventions if malunion affects joint function.

Complications

• Chronic pain or discomfort.
• Limited range of motion or mobility.
• Infection (for open fractures).
• Nerve or vascular damage.
• Need for surgical correction of malunion.
• Post-traumatic arthritis.

Lifestyle & Prevention

• Avoid high-impact activities until cleared by a healthcare provider.
• Use protective gear during sports or activities with fall risks.
• Maintain bone health through adequate nutrition (e.g., calcium, vitamin D) and exercise.
• Follow rehabilitation guidelines to optimize healing and prevent future injuries.

When to Seek Professional Help

Seek immediate medical attention if you experience severe pain, swelling, or deformity after an injury. Contact a healthcare provider if you notice signs of infection (e.g., redness, pus) or if pain or mobility issues persist despite treatment.

Tips for Medical Coders

Document the fracture type (IIIA, IIIB, or IIIC), the presence of malunion, and the subsequent encounter status clearly. Ensure the open fracture classification and malunion are supported by clinical findings and imaging. Code S82.422R is specific to the left fibula and requires confirmation of the fracture’s location and healing status.