S82.464K Nondisplaced segmental fracture of shaft of right fibula, subsequent encounter for closed fracture with nonunion

Name of the Condition

• Nondisplaced segmental fracture of shaft of right fibula, subsequent encounter for closed fracture with nonunion
• ICD-10 Code: S82.464K

Summary

A nondisplaced segmental fracture of the shaft of the right fibula is a break in the long, thin bone of the lower leg involving two separate fracture sites along the same bone segment, with the fragments remaining in alignment. This injury is classified as closed, meaning the skin is intact, and is documented during a subsequent encounter for treatment when nonunion (failure of the bone to heal) is present. The "subsequent encounter" designation indicates ongoing care after the initial treatment phase.

Causes

Most commonly caused by high-energy trauma, such as motor vehicle accidents, falls from significant height, or direct impact to the leg. Twisting injuries or severe rotational forces can also lead to this type of fracture. Nonunion may result from inadequate immobilization, poor blood supply to the bone, infection, or other factors that impede healing.

Risk Factors

• Participation in high-impact sports or activities with risk of falls.
• Osteoporosis or reduced bone density, which increases fragility.
• Advanced age, which may weaken bone strength.
• Previous leg injuries or surgeries that compromise bone integrity.
• Smoking or other factors that impair bone healing.

Symptoms

• Persistent pain and swelling in the lower leg.
• Difficulty bearing weight on the affected leg.
• Bruising or tenderness around the injured area.
• Possible deformity or instability of the leg structure.
• Numbness or tingling if nerve involvement occurs.

Diagnosis

Diagnosis involves a physical examination by a healthcare professional to assess tenderness, swelling, and stability. Imaging studies, such as X-rays or CT scans, are typically used to confirm the fracture pattern and evaluate for nonunion. Additional tests, like bone scans or MRI, may be ordered to assess bone healing and rule out complications.

Treatment Options

Treatment may include immobilization with a cast or brace to stabilize the fracture, pain management, and physical therapy to restore function. In cases of nonunion, surgical intervention, such as bone grafting or internal fixation, may be necessary to promote healing. Follow-up imaging is often used to monitor progress.

Prognosis and Follow-Up

Prognosis depends on the severity of the fracture and the success of treatment. Nonunion may require extended follow-up and additional interventions. Regular monitoring with imaging and clinical assessments is important to ensure proper healing and address any complications promptly.

Complications

• Nonunion or delayed healing of the fracture.
• Infection, particularly if surgical intervention is required.
• Nerve or blood vessel damage in the affected leg.
• Chronic pain or reduced mobility.
• Post-traumatic arthritis in the surrounding joints.

Lifestyle & Prevention

• Avoid high-impact activities that increase fracture risk.
• Maintain bone health through a balanced diet rich in calcium and vitamin D.
• Use protective equipment during sports or activities with fall risks.
• Quit smoking, as it impairs bone healing.
• Follow post-injury care instructions to support recovery.

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 symptoms worsen, or if you notice signs of infection, such as redness, warmth, or drainage from the injury site.

Tips for Medical Coders

Document the encounter as a subsequent visit for a closed fracture with nonunion. Ensure the fracture is confirmed as nondisplaced and segmental, and specify the right fibula. Include details about the nonunion status and any treatments provided. Follow guidelines for subsequent encounter codes, and verify that the fracture remains closed (no skin penetration) to assign the correct code.