S62.512 Displaced fracture of proximal phalanx of left thumb

Name of the Condition

• Displaced fracture of proximal phalanx of left thumb

Summary

This injury involves a fracture in the proximal phalanx, the bone segment closest to the hand, of the left thumb. The fracture is displaced, meaning the bone segments have shifted out of their normal alignment. The severity and treatment depend on the degree of displacement and associated soft tissue damage.

Causes

Typically caused by direct trauma or impact to the thumb, such as a fall onto an outstretched hand, blunt force trauma, or a crush injury. Common scenarios include accidents, sports injuries, or workplace incidents involving the hand.

Risk Factors

• Participation in contact sports or activities with a high risk of hand injuries.
• Osteoporosis or other conditions that weaken bone density.
• Previous thumb or hand injuries.
• Age-related bone fragility, particularly in older adults.

Symptoms

• Pain, swelling, and bruising localized to the thumb.
• Limited range of motion or difficulty moving the thumb.
• Visible deformity or abnormal thumb alignment.
• Tenderness to touch at the injury site.

Diagnosis

Physical examination to assess pain, swelling, and mobility. Imaging tests, such as X-rays, to confirm the fracture and evaluate displacement or fragmentation. Additional imaging (e.g., CT or MRI) may be used for complex cases.

Treatment Options

• Immobilization: Use of a splint or cast to stabilize the bone and promote healing.
• Closed reduction: Manual realignment of the bone fragments by a healthcare provider.
• Surgery: May be necessary for severely displaced fractures or those involving joint instability.

Prognosis and Follow-Up

Most fractures heal within 4–6 weeks with proper immobilization. Follow-up appointments monitor healing progress and may involve physical therapy to restore function. Full recovery depends on the severity of the fracture and adherence to treatment.

Complications

• Malunion or nonunion of the fracture.
• Chronic pain or stiffness.
• Arthritis in the thumb joint.
• Nerve or tendon damage.

Lifestyle & Prevention

• Use protective gear during high-risk activities.
• Maintain bone health through diet and exercise.
• Avoid repetitive or forceful thumb movements that may increase injury risk.

When to Seek Professional Help

Seek immediate care if there is severe pain, visible deformity, inability to move the thumb, or signs of infection (e.g., redness, fever).

Tips for Medical Coders

Document the fracture type (displaced), bone involved (proximal phalanx), and laterality (left thumb). Include details on injury mechanism, treatment, and any associated complications to support accurate coding.