S52.521A Torus fracture of lower end of right radius, initial encounter for closed fracture

Name of the Condition

• Torus fracture of lower end of right radius, initial encounter for closed fracture

Summary

A torus fracture of the lower end of the right radius is a stable, incomplete break in the distal radius bone, typically occurring in children due to the bone's flexibility. The term "torus" refers to the buckled or bulging appearance of the bone cortex. This fracture is closed (no skin penetration) and occurs during the initial encounter for treatment. It often results from low-energy trauma, such as a fall onto an outstretched hand, and may involve minimal displacement.

Causes

Usually caused by axial loading or bending forces applied to the wrist, such as a fall onto an outstretched hand. The fracture occurs due to the distal radius's susceptibility to buckling under stress, particularly in pediatric patients with more pliable bone.

Risk Factors

• Common in children, especially those with developing bone structure.
• Increased risk during activities with a higher likelihood of falls, such as sports or play.
• May be associated with osteopenia or conditions affecting bone elasticity in younger populations.

Symptoms

• Localized pain and swelling at the wrist.
• Tenderness over the distal radius.
• Mild deformity or bulging of the bone may be visible.
• Limited range of motion in the wrist due to discomfort.

Diagnosis

Physical examination to assess pain, swelling, and tenderness. Imaging tests, primarily X-rays, to confirm the torus fracture pattern and rule out other injuries. The fracture appears as a buckled cortex without significant displacement.

Treatment Options

• Immobilization with a cast or splint for 3–4 weeks to allow healing.
• Pain management with over-the-counter analgesics or as prescribed.
• Follow-up imaging to ensure proper healing before discontinuing immobilization.

Prognosis and Follow-Up

Most torus fractures heal well with immobilization, and recovery is typically complete within 4–6 weeks. Follow-up appointments monitor healing and functional recovery. Long-term complications are rare, but residual stiffness or minor deformity may occur in some cases.

Complications

• Temporary stiffness or reduced range of motion in the wrist.
• Rarely, malunion or persistent pain if immobilization is inadequate.
• Nerve or tendon irritation in the immediate area, though uncommon.

Lifestyle & Prevention

• Use protective gear during high-risk activities (e.g., sports).
• Ensure safe play environments to minimize fall risks for children.
• Maintain bone health through adequate nutrition (e.g., calcium, vitamin D) in pediatric populations.

When to Seek Professional Help

• Severe pain, swelling, or deformity that worsens over time.
• Inability to move the wrist or forearm.
• Numbness, tingling, or changes in skin color (possible nerve or vascular involvement).
• Signs of infection, such as redness, warmth, or drainage.

Tips for Medical Coders

Document the specific location (right radius), fracture type (torus), encounter stage (initial), and whether the fracture is closed. Ensure clinical notes support the torus fracture pattern and absence of displacement or open wound. Code S52.521A is used for the initial encounter of a closed torus fracture of the lower end of the right radius.