S82.04 Comminuted fracture of patella

Name of the Condition

• Comminuted fracture of patella

Summary

This condition involves a fracture of the patella (kneecap) where the bone is broken into multiple pieces. The severity depends on the number of fragments and their displacement, which can affect knee function and stability.

Causes

Direct trauma to the knee, such as a fall onto the kneecap, a forceful blow, or a high-impact injury from sports or accidents, is the primary cause. Muscle contractions, like a sudden quadriceps pull, can also lead to comminuted fractures.

Risk Factors

• Participation in high-impact or contact sports.
• Osteoporosis or bone-weakening conditions.
• Advanced age, which may reduce bone density.
• Previous knee injuries or surgeries.

Symptoms

• Severe knee pain and swelling.
• Inability to straighten or bear weight on the leg.
• Visible deformity or a gap in the kneecap area.
• Tenderness and bruising around the knee.
• A "popping" sensation at the time of injury.

Diagnosis

Diagnosis typically involves a physical examination to assess knee movement and tenderness. Imaging tests, such as X-rays or CT scans, are used to confirm the fracture, evaluate fragment displacement, and plan treatment.

Treatment Options

• Immobilization with a knee brace or cast to stabilize the fracture.
• Pain management with medications or ice.
• Surgical intervention to realign and fix bone fragments, often using pins, screws, or wires.
• Physical therapy to restore strength and mobility after healing.

Prognosis and Follow-Up

Recovery depends on fracture severity and treatment. Most patients regain full function with proper care, but follow-up imaging may be needed to monitor healing. Physical therapy is often recommended to prevent stiffness.

Complications

• Nonunion or delayed healing of the fracture.
• Post-traumatic arthritis due to joint damage.
• Chronic pain or reduced knee mobility.
• Infection or hardware-related issues after surgery.

Lifestyle & Prevention

• Use protective gear during high-risk activities.
• Maintain bone health through diet and exercise.
• Avoid falls by improving balance and home safety.
• Warm up properly before physical activity.

When to Seek Professional Help

Seek immediate care for severe knee pain, swelling, or inability to move the leg after an injury. Consult a healthcare provider if pain persists or worsens during recovery.

Tips for Medical Coders

Document the fracture type (comminuted) and any associated details, such as displacement or open/closed status, to ensure accurate coding. Include clinical notes supporting the diagnosis and treatment plan for clarity.