S72.434M Nondisplaced fracture of medial condyle of right femur, subsequent encounter for open fracture type I or II with nonunion

Name of the Condition

• Nondisplaced fracture of medial condyle of right femur, subsequent encounter for open fracture type I or II with nonunion

Summary

This condition involves a fracture of the medial condyle, the inner rounded projection of the right femur at the knee joint. The fracture is nondisplaced, meaning the bone fragments remain in their normal alignment. It is classified as an open fracture type I or II, indicating a break in the skin with minimal contamination or a larger wound without extensive soft tissue damage. The term "nonunion" signifies that the fracture has not healed properly after an expected period. This typically preserves knee stability and function, though pain, swelling, and limited mobility may still occur.

Causes

High-impact trauma, such as falls, motor vehicle accidents, or direct blows to the knee. Sports injuries or physical altercations involving the thigh. Stress fractures from repetitive overuse or strenuous activity.

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.
• Poor blood supply to the fracture site.
• Inadequate immobilization or treatment during initial healing.

Symptoms

• Severe pain localized to the inner knee or thigh.
• 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.
• Open wound at the fracture site (for open fracture types).
• Persistent pain or instability indicating nonunion.

Diagnosis

Physical examination to assess pain, swelling, and limb alignment. Imaging studies, such as X-rays or CT scans, to confirm the fracture type, location, and nonunion status. Additional tests, like MRI, if soft tissue damage or subtle fractures are suspected.

Treatment Options

• Immobilization with a cast or brace to stabilize the fracture.
• Surgical intervention, such as internal fixation, to promote healing.
• Bone grafting or electrical stimulation to encourage union.
• Pain management with medications or physical therapy.
• Wound care for open fractures to prevent infection.

Prognosis and Follow-Up

Prognosis depends on the severity of the fracture, treatment adherence, and patient factors. Nonunion may require extended treatment or surgery. Regular follow-up with imaging to monitor healing is essential. Physical therapy may be needed to restore mobility and strength.

Complications

• Infection, especially with open fractures.
• Delayed or failed healing (nonunion).
• Arthritis or joint stiffness.
• Nerve or blood vessel damage.
• Chronic pain or instability.

Lifestyle & Prevention

• Avoid high-impact activities until cleared by a healthcare provider.
• Maintain bone health with a balanced diet and exercise.
• Use protective gear during sports or high-risk activities.
• Follow post-treatment instructions to support healing.

When to Seek Professional Help

Seek immediate care for severe pain, swelling, or deformity. Contact a provider if symptoms worsen, or if there are signs of infection (e.g., fever, redness, drainage). Follow up as recommended for ongoing monitoring.

Tips for Medical Coders

Document the fracture type (open I or II), laterality (right femur), and nonunion status. Specify "subsequent encounter" to indicate ongoing care for a nonhealing fracture. Ensure clinical notes support the open fracture classification and nonunion diagnosis.