S72.455 Nondisplaced supracondylar fracture without intracondylar extension of lower end of left femur

Name of the Condition

• Nondisplaced supracondylar fracture without intracondylar extension of lower end of left femur

Summary

This condition involves a fracture at the distal (lower) end of the left femur, specifically in the supracondylar region (above the condyles). The fracture does not extend into the intracondylar area (the space between the condyles), and the bone fragments remain in their normal alignment (nondisplaced). This type of fracture typically affects knee stability and function less severely than displaced fractures, depending on the extent of the injury.

Causes

High-impact trauma, such as falls, motor vehicle accidents, or direct blows to the thigh. Sports injuries or physical altercations involving force to the knee or thigh. Stress fractures from repetitive overuse or strenuous activity, though less common for this specific type.

Risk Factors

• Advanced age, which may lead to decreased bone density.
• Osteoporosis or other bone-weakening conditions.
• Participation in high-risk activities or contact sports.
• Prior history of femur fractures or bone disorders.

Symptoms

• Severe pain in the knee or thigh area.
• Swelling, bruising, or visible deformity around the knee.
• Inability to bear weight or move the knee joint properly.
• Possible numbness or tingling if nerves are involved.

Diagnosis

Physical examination to assess pain, swelling, and limb alignment. Imaging studies, such as X-rays or CT scans, to confirm the fracture and rule out intracondylar extension or displacement. Clinical evaluation to determine the extent of soft tissue involvement.

Treatment Options

Conservative management with immobilization (e.g., casting or bracing) for stable, nondisplaced fractures. Pain management with analgesics or anti-inflammatory medications. Physical therapy to restore mobility and strength once healing progresses. Surgical intervention is rarely needed for nondisplaced fractures but may be considered if instability or displacement occurs.

Prognosis and Follow-Up

Most nondisplaced fractures heal well with proper immobilization and rest. Full recovery may take several weeks to months, depending on the patient’s age and overall health. Follow-up imaging and clinical assessments are typically performed to monitor healing and ensure no displacement develops. Return to normal activities is gradual, guided by pain tolerance and functional recovery.

Complications

Delayed union or nonunion of the fracture, though uncommon with proper treatment. Post-traumatic arthritis if the knee joint is affected. Nerve or vascular injury, though rare in nondisplaced fractures. Chronic pain or stiffness in the knee or thigh region.

Lifestyle & Prevention

Avoid high-impact activities until cleared by a healthcare provider. Use protective gear during sports or high-risk activities. Maintain bone health through a balanced diet rich in calcium and vitamin D. Engage in regular, low-impact exercise to support bone density and muscle strength.

When to Seek Professional Help

Severe or worsening pain, swelling, or deformity. Inability to move the leg or bear weight. Signs of infection (e.g., fever, redness, or drainage from the injury site). Numbness, tingling, or changes in skin color below the fracture site, which may indicate nerve or vascular involvement.

Tips for Medical Coders

Document the fracture location (left femur), the specific region (supracondylar), and the absence of intracondylar extension and displacement. Include details on the mechanism of injury, imaging findings, and treatment approach to support code assignment. Ensure the left-sided specificity is clearly noted in the medical record.