S72.465 Nondisplaced supracondylar fracture with intracondylar extension of lower end of left femur

Name of the Condition

• Nondisplaced supracondylar fracture with intracondylar extension of lower end of left femur

Summary

This condition involves a fracture at the distal (lower) end of the left femur, specifically extending from the supracondylar region (above the condyles) into the intracondylar area (within the condyles). The fracture disrupts the structural integrity of the knee joint, potentially affecting stability and function. The pattern involves both the metaphyseal region above the condyles and the articular surface of the condyles themselves, with the bone fragments remaining aligned (nondisplaced).

Causes

High-impact trauma, such as falls, motor vehicle accidents, or direct force to the knee. Sports injuries involving sudden twisting or axial loading. Low-energy trauma in individuals with weakened bone density may also result in this fracture pattern.

Risk Factors

• Advanced age and associated bone density loss.
• Osteoporosis or other metabolic bone disorders.
• Participation in high-risk activities or contact sports.
• Prior history of knee or femur injuries.
• Conditions affecting bone strength, such as chronic steroid use.

Symptoms

• Severe knee pain and swelling.
• Bruising or visible deformity around the knee.
• Inability to bear weight or move the knee.
• Possible numbness or tingling if nerves are compressed.
• Instability or abnormal joint movement.

Diagnosis

Physical examination to assess pain, swelling, and deformity. Imaging studies, including X-rays or CT scans, to confirm the fracture pattern and rule out displacement. Evaluation of neurovascular status to check for nerve or blood vessel involvement.

Treatment Options

• Immobilization with a cast or brace to allow healing.
• Pain management with medications or ice.
• Physical therapy to restore range of motion and strength.
• Surgical intervention if displacement occurs or if the joint surface is unstable.
• Weight-bearing restrictions as advised by a healthcare provider.

Prognosis and Follow-Up

Prognosis is generally favorable with proper treatment, as the nondisplaced nature of the fracture supports healing. Follow-up appointments are necessary to monitor alignment, healing progress, and joint function. Long-term outcomes depend on adherence to rehabilitation and addressing any underlying bone health issues.

Complications

• Delayed union or nonunion of the fracture.
• Post-traumatic arthritis due to joint surface involvement.
• Nerve or blood vessel damage.
• Chronic pain or stiffness.
• Infection (if surgical intervention is required).

Lifestyle & Prevention

• Maintain bone health through adequate calcium and vitamin D intake.
• Engage in weight-bearing exercises to strengthen bones.
• Use protective gear during high-risk activities.
• Avoid falls by modifying the home environment (e.g., removing tripping hazards).
• Address osteoporosis or other bone-weakening conditions with medical guidance.

When to Seek Professional Help

Seek immediate medical attention if experiencing severe knee pain, swelling, deformity, or inability to bear weight. Prompt evaluation is critical to prevent complications and ensure proper treatment.

Tips for Medical Coders

Document the fracture location (left femur), the specific pattern (supracondylar with intracondylar extension), and the nondisplaced status. Include details on trauma mechanism, imaging findings, and treatment approach to support accurate coding. Ensure alignment with clinical documentation standards for ICD-10-CM.