S72.454K Nondisplaced supracondylar fracture without intracondylar extension of lower end of right femur, subsequent encounter for closed fracture with nonunion

Name of the Condition

• Nondisplaced supracondylar fracture without intracondylar extension of lower end of right femur, subsequent encounter for closed fracture with nonunion

Summary

This condition involves a fracture at the distal (lower) end of the right 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 is a subsequent encounter for a closed fracture with nonunion, meaning the fracture has failed to heal properly after an initial injury, and the skin remains intact. The nonunion may affect knee stability and function depending on the severity of the injury.

Causes

High-impact trauma, such as falls, motor vehicle accidents, or direct blows to the thigh. Sports injuries or physical altercations. Stress fractures from repetitive overuse or strenuous activity. Factors contributing to nonunion may include poor blood supply, inadequate immobilization, or underlying medical conditions.

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.
• Smoking or poor nutrition, which can impair healing.
• Certain medical conditions (e.g., diabetes, vascular disease) that affect bone healing.

Symptoms

• Persistent pain in the knee or thigh region, often worsening with activity.
• Swelling, bruising, or visible deformity of the affected leg.
• Inability to bear weight or move the leg normally.
• Possible numbness or tingling if nerves are involved.
• Delayed healing or lack of improvement despite treatment.

Diagnosis

Physical examination to assess pain, swelling, and limb alignment. Imaging studies, such as X-rays or CT scans, to confirm the fracture and evaluate for nonunion. Assessment of healing progress through serial imaging. Evaluation of blood flow or nerve function if complications are suspected.

Treatment Options

• Immobilization with a cast or brace to stabilize the fracture.
• Surgical intervention, such as bone grafting or internal fixation, to promote healing.
• Physical therapy to restore strength and mobility.
• Pain management with medications or other modalities.
• Addressing underlying conditions (e.g., osteoporosis) to support bone healing.

Prognosis and Follow-Up

Prognosis depends on the severity of the nonunion and response to treatment. Regular follow-up with imaging to monitor healing is essential. Full recovery may take several months, and some patients may experience long-term functional limitations. Close monitoring for complications, such as infection or further bone loss, is important.

Complications

• Chronic pain or stiffness in the knee or thigh.
• Delayed or failed healing (nonunion).
• Infection, particularly if surgical intervention is required.
• Nerve or vascular damage affecting limb function.
• Post-traumatic arthritis in the knee joint.

Lifestyle & Prevention

• Avoid high-impact activities until cleared by a healthcare provider.
• Maintain a balanced diet rich in calcium and vitamin D to support bone health.
• Quit smoking, as it impairs bone healing.
• Use protective gear during sports or high-risk activities.
• Engage in weight-bearing exercises to strengthen bones, as recommended.

When to Seek Professional Help

Seek immediate medical attention if you experience severe pain, swelling, or deformity after an injury. Contact your healthcare provider if pain persists, worsens, or if you notice signs of infection (e.g., fever, redness, drainage). Follow up regularly to monitor healing and address any concerns.

Tips for Medical Coders

Document the fracture type (nondisplaced, closed), location (right femur, supracondylar), and the presence of nonunion. Specify "subsequent encounter" to indicate follow-up care for a fracture that has not healed. Include details on treatment provided and any underlying conditions affecting healing. Ensure documentation supports the nonunion diagnosis and subsequent encounter status.