S92.342A Displaced fracture of fourth metatarsal bone, left foot, initial encounter for closed fracture

Name of the Condition

• Displaced fracture of fourth metatarsal bone, left foot, initial encounter for closed fracture
• ICD-10 code: S92.342A

Summary

A displaced fracture of the fourth metatarsal bone in the left foot is a break in the long bone connecting the ankle to the toes, where the bone fragments have shifted out of their normal alignment. The term "initial encounter for closed fracture" indicates this is the first visit for treatment, and the fracture does not penetrate the skin.

Causes

Direct trauma to the left foot, such as a fall, impact during sports, or a heavy object dropped on the foot, is the primary cause. Repetitive stress from activities like running or jumping can also lead to fractures over time.

Risk Factors

• Participation in high-impact sports (e.g., soccer, basketball)
• Wearing improper or non-supportive footwear
• Conditions that weaken bones, such as osteoporosis
• Advanced age, which may reduce bone density and balance

Symptoms

• Pain and tenderness localized to the outer midfoot
• Swelling and bruising around the affected area
• Difficulty bearing weight or walking on the left foot
• Possible visible deformity due to displacement

Diagnosis

A healthcare provider will perform a physical examination to assess pain, swelling, and range of motion. Imaging tests, such as X-rays, are typically used to confirm the fracture and evaluate alignment.

Treatment Options

Treatment depends on the severity of displacement and may include immobilization with a cast or boot, pain management, and activity modification. Severe cases may require surgical intervention to realign the bone fragments.

Prognosis and Follow-Up

Most displaced fractures heal with proper treatment, but recovery time varies. Follow-up appointments are necessary to monitor healing and adjust treatment as needed. Physical therapy may be recommended to restore strength and mobility.

Complications

Potential complications include nonunion (failure to heal), malunion (improper healing), chronic pain, or arthritis in the affected joint. Infection is rare but possible if the fracture becomes open.

Lifestyle & Prevention

Wearing supportive footwear, avoiding excessive repetitive stress, and maintaining bone health through proper nutrition can help prevent fractures. Gradual increases in physical activity may reduce the risk of stress fractures.

When to Seek Professional Help

Seek immediate medical attention if you experience severe pain, inability to bear weight, visible deformity, or signs of infection (e.g., redness, warmth, or drainage) after an injury.

Tips for Medical Coders

Document the specific location (left foot), displacement status, and encounter type (initial for closed fracture) to ensure accurate coding. Include details about the mechanism of injury, imaging results, and treatment plan to support the diagnosis.