S82.045 Nondisplaced comminuted fracture of left patella

Name of the Condition

• Nondisplaced comminuted fracture of left patella

Summary

This condition involves a fracture of the left patella (kneecap) where the bone is broken into multiple pieces without significant displacement of the fragments. The severity depends on the number of fragments and their alignment, which can impact knee function and stability.

Causes

Direct trauma to the left 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 left knee pain and swelling.
• Inability to straighten or bear weight on the left leg.
• Tenderness and bruising around the left knee.
• A "popping" sensation at the time of injury.

Diagnosis

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

Treatment Options

• Immobilization with a knee brace or cast to stabilize the fracture.
• Pain management with medications or ice.
• Physical therapy to restore strength and mobility.
• Surgical intervention if fragments become displaced or joint stability is compromised.

Prognosis and Follow-Up

Most nondisplaced fractures heal with conservative treatment, but recovery time depends on fracture severity and patient factors. Follow-up imaging may be needed to monitor healing. Physical therapy is often recommended to restore function.

Complications

• Delayed union or nonunion of the fracture.
• Post-traumatic arthritis in the left knee.
• Chronic pain or stiffness.
• Muscle weakness or atrophy.

Lifestyle & Prevention

• Use protective gear during high-risk activities.
• Maintain bone health with calcium and vitamin D.
• Avoid sudden, forceful knee movements.
• Strengthen quadriceps and surrounding muscles.

When to Seek Professional Help

Seek immediate care if you experience severe left knee pain, inability to bear weight, visible deformity, or signs of infection (e.g., fever, redness, pus).

Tips for Medical Coders

Document the fracture as "nondisplaced" and specify the left patella. Include details on fragment count, alignment, and any associated injuries. Ensure clinical documentation supports the absence of displacement to justify this code.