S62.173S Displaced fracture of trapezium [larger multangular], unspecified wrist, sequela

Name of the Condition

• Displaced fracture of trapezium [larger multangular], unspecified wrist, sequela

Summary

This condition represents a displaced fracture of the trapezium bone in the wrist, classified as a sequela. The trapezium is a carpal bone at the base of the thumb, and displacement means the bone fragments are misaligned. A sequela indicates this is a residual effect or complication following the initial injury. The fracture may impact wrist and thumb mobility, requiring ongoing management to address functional limitations or chronic symptoms.

Causes

Typically results from prior trauma to the wrist, such as a fall onto an outstretched hand, a direct blow to the thumb or wrist, or a crushing injury. The sequela classification implies the current condition is a consequence of a previous fracture that has not fully resolved or has led to long-term effects.

Risk Factors

• History of wrist or thumb injuries, particularly fractures.
• Osteoporosis or weakened bone structure, increasing susceptibility to prior fractures.
• Activities or occupations involving repetitive wrist stress or high fall risk.

Symptoms

• Chronic pain, swelling, or tenderness at the base of the thumb.
• Reduced range of motion or persistent difficulty moving the thumb.
• Visible deformity or instability in the wrist.
• Possible numbness or tingling due to nerve irritation.

Diagnosis

Physical examination to assess pain, swelling, and thumb mobility. Imaging tests, such as X-rays, CT scans, or MRIs, to evaluate the fracture's alignment and any residual displacement. Clinical history is reviewed to confirm the condition as a sequela of a prior injury.

Treatment Options

• Rehabilitation: Physical therapy to improve strength and mobility.
• Pain management: Medications or injections to alleviate chronic discomfort.
• Surgical intervention: Considered for severe displacement or functional impairment.
• Assistive devices: Splints or braces to support the wrist during daily activities.

Prognosis and Follow-Up

Prognosis depends on the severity of the initial injury and the effectiveness of prior treatment. Chronic symptoms may persist, but most patients experience improved function with rehabilitation. Regular follow-up appointments monitor progress and adjust treatment as needed.

Complications

• Chronic pain or arthritis in the wrist.
• Persistent stiffness or limited thumb movement.
• Nerve damage leading to numbness or weakness.
• Delayed union or nonunion of the fracture.

Lifestyle & Prevention

• Avoid high-impact activities that strain the wrist.
• Use protective gear during sports or manual labor.
• Maintain bone health through diet and exercise to reduce fracture risk.
• Perform wrist-strengthening exercises to support recovery.

When to Seek Professional Help

Seek care if experiencing worsening pain, new swelling, or loss of function. Immediate attention is needed for signs of infection, such as redness, warmth, or fever, or if the wrist appears deformed.

Tips for Medical Coders

Document the sequela status clearly, as this code is used for complications or residual effects of a prior fracture. Ensure clinical notes specify the relationship to the original injury and any ongoing symptoms or functional limitations. Code S62.173S is appropriate when the fracture is a sequela and not an active, acute injury.