S62.126 Nondisplaced fracture of lunate [semilunar], unspecified wrist

Name of the Condition

• Nondisplaced fracture of lunate [semilunar], unspecified wrist

Summary

A nondisplaced fracture of the lunate (semilunar) bone in the wrist refers to a break where the bone fragments remain in their normal anatomical position. The lunate is a small, crescent-shaped carpal bone essential for wrist stability and movement. This type of fracture typically results from trauma to the wrist and requires evaluation to confirm the diagnosis and guide management.

Causes

This fracture is commonly caused by direct trauma to the wrist, such as a fall onto an outstretched hand, a blow to the wrist, or a twisting injury. High-impact activities or accidents may also lead to fractures in this area.

Risk Factors

• Participation in contact sports or activities with a high risk of falls.
• Osteoporosis or weakened bone structure, especially in older adults.
• Previous wrist injuries or fractures.

Symptoms

• Pain or tenderness in the wrist.
• Swelling or bruising around the wrist area.
• Limited range of motion in the wrist.
• Difficulty gripping objects.

Diagnosis

Physical examination to assess pain, swelling, and wrist mobility. Imaging tests, such as X-rays, CT scans, or MRI, to confirm the fracture and evaluate its extent.

Treatment Options

• Immobilization: Using a cast, splint, or brace to stabilize the area and promote healing.
• Pain management: Medications like NSAIDs to reduce pain and inflammation.
• Follow-up care: Regular monitoring to ensure proper healing and adjust treatment as needed.

Prognosis and Follow-Up

With appropriate treatment, most nondisplaced lunate fractures heal well. Follow-up appointments may include imaging to confirm healing and assess wrist function. Recovery time varies but typically ranges from several weeks to a few months, depending on the severity and individual healing response.

Complications

• Delayed healing or nonunion if the fracture is not properly immobilized.
• Arthritis in the wrist joint over time.
• Nerve or tendon irritation due to swelling or fracture fragments.

Lifestyle & Prevention

• Use protective gear during high-risk activities, such as wrist guards in sports.
• Maintain bone health through a balanced diet and regular exercise.
• Avoid falls by using assistive devices if balance is a concern.

When to Seek Professional Help

Seek immediate medical attention if you experience severe wrist pain, swelling, or deformity after an injury. Persistent pain, numbness, or difficulty moving the wrist after initial treatment also warrants evaluation.

Tips for Medical Coders

Document the fracture as nondisplaced and specify the wrist (unspecified) as per the code. Include details on the mechanism of injury, imaging results, and treatment plan to support accurate coding. Ensure the diagnosis aligns with clinical findings and documentation standards.