Codes / ICD10CM / S92.51

S92.51 Fracture of proximal phalanx of lesser toe(s)

ICD10CM code

ICD10CM

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Name of the Condition

  • Fracture of proximal phalanx of lesser toe(s)

Summary

This condition involves a break in the proximal phalanx (the bone closest to the foot) of one or more lesser toes (excluding the big toe). The fracture may be nondisplaced, displaced, or comminuted, depending on the force of injury. It is a common traumatic injury that can affect toe function and mobility.

Causes

Traumatic events such as stubbing the toe, dropping a heavy object on it, or direct blows from accidents. Sports-related injuries, falls, or twisting motions may also result in fractures of the proximal phalanx of the lesser toes.

Risk Factors

  • Participation in activities with a high risk of toe injury, such as contact sports or dancing.
  • Osteoporosis or other bone-weakening conditions that reduce bone density.
  • Improper footwear that offers little protection or has a narrow toe box.
  • Previous toe fractures or structural abnormalities in the foot.

Symptoms

  • Sudden pain, swelling, or bruising in the affected toe.
  • Difficulty bearing weight or walking due to pain.
  • Visible deformity or misalignment of the toe.
  • Tenderness to touch or pressure on the injured area.

Diagnosis

A physical examination to assess pain, swelling, and range of motion. Imaging studies, such as X-rays, to confirm the fracture and evaluate its extent. Additional tests (e.g., CT or MRI) may be used for complex fractures.

Treatment Options

  • Immobilization with buddy taping (taping the injured toe to an adjacent toe) or a rigid splint to stabilize the bone.
  • Pain management with over-the-counter or prescription medications.
  • Rest and elevation to reduce swelling.
  • Surgical intervention for displaced or unstable fractures, which may involve realignment and fixation.

Prognosis and Follow-Up

Most fractures of the proximal phalanx of the lesser toes heal within 4–6 weeks with proper immobilization and care. Follow-up appointments may be needed to monitor healing and adjust treatment. Full recovery of mobility and function is typical, though some residual stiffness or discomfort may persist.

Complications

  • Nonunion (failure of the bone to heal) or malunion (healing in an incorrect position).
  • Chronic pain or arthritis in the affected toe.
  • Infection, particularly if the fracture is open (exposed to the outside).
  • Nerve or blood vessel damage in severe cases.

Lifestyle & Prevention

  • Wear properly fitting, supportive footwear with adequate toe protection.
  • Use protective gear during high-risk activities (e.g., sports).
  • Maintain bone health through a balanced diet rich in calcium and vitamin D.
  • Avoid activities that increase the risk of toe injury, such as walking barefoot in hazardous areas.

When to Seek Professional Help

Seek immediate medical attention if there is severe pain, visible deformity, inability to bear weight, or signs of infection (e.g., redness, pus, fever). Prompt evaluation is important to prevent complications and ensure proper healing.

Tips for Medical Coders

Document the specific toe(s) involved and whether the fracture is displaced, nondisplaced, or open. Include details about the mechanism of injury and any associated complications to support accurate coding. Ensure the proximal phalanx location is clearly specified to distinguish from other toe fractures.

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