S92.315G Nondisplaced fracture of first metatarsal bone, left foot, subsequent encounter for fracture with delayed healing

Name of the Condition

• Nondisplaced fracture of first metatarsal bone, left foot, subsequent encounter for fracture with delayed healing
• ICD-10 Code: S92.315G

Summary

A nondisplaced fracture of the first metatarsal bone in the left foot is a break where the bone fragments remain in their normal alignment. The first metatarsal is the long bone connecting the big toe to the midfoot and is a primary weight-bearing structure. This injury is classified as a subsequent encounter for fracture with delayed healing, indicating the patient is receiving care after the initial injury and healing is progressing more slowly than expected. Nondisplaced fractures typically result from trauma and may cause pain, swelling, and difficulty bearing weight, though the bone alignment remains intact.

Causes

Direct trauma to the left foot is the primary cause. Common scenarios include dropping a heavy object, a sports injury (e.g., twisting the foot during activity), or a fall. High-force impacts can cause the bone to fracture without displacing the fragments. Repetitive stress from activities like running or jumping may also lead to stress fractures over time. Delayed healing may occur due to factors such as poor blood supply, inadequate immobilization, or underlying health conditions affecting bone repair.

Risk Factors

• Participation in high-impact sports (e.g., basketball, soccer)
• Wearing improper or non-supportive footwear
• Conditions that weaken bones, such as osteoporosis or diabetes
• Advanced age, which may reduce bone density and balance
• Previous foot injuries or fractures
• Smoking or poor nutrition, which can impair healing

Symptoms

• Persistent pain and tenderness at the base of the big toe on the left foot
• Swelling and bruising around the affected area
• Difficulty bearing weight or walking on the injured foot
• Possible limited range of motion in the big toe
• Delayed healing despite initial treatment

Diagnosis

A healthcare provider will perform a physical examination to assess pain, swelling, and mobility. Imaging studies, such as X-rays or CT scans, are typically used to confirm the fracture and evaluate healing progress. The provider may also review the patient’s medical history and prior treatment to determine if healing is delayed. Additional tests, like blood work, may be ordered to identify underlying conditions affecting bone repair.

Treatment Options

Treatment focuses on promoting healing and managing symptoms. This may include immobilization with a cast or boot to stabilize the foot, pain management with medications, and activity modification to reduce stress on the bone. Physical therapy may be recommended to restore strength and mobility once healing progresses. In some cases, surgical intervention may be necessary if healing does not improve with conservative measures.

Prognosis and Follow-Up

Most nondisplaced fractures with delayed healing eventually heal with proper treatment, though recovery may take longer than typical fractures. Follow-up appointments are essential to monitor healing through imaging and adjust treatment as needed. Patients should adhere to activity restrictions and rehabilitation plans to optimize outcomes. Long-term prognosis is generally good, but delayed healing may increase the risk of complications if not addressed.

Complications

• Prolonged pain or discomfort
• Chronic instability or weakness in the foot
• Nonunion, where the bone fails to heal properly
• Arthritis in the big toe joint due to altered mechanics
• Increased risk of future fractures in the same area

Lifestyle & Prevention

• Wear supportive, properly fitting footwear to reduce stress on the foot.
• Avoid high-impact activities until cleared by a healthcare provider.
• Maintain a healthy diet rich in calcium and vitamin D to support bone health.
• Manage underlying conditions like diabetes or osteoporosis to improve healing.
• Use protective gear during sports to minimize injury risk.

When to Seek Professional Help

Seek medical attention if pain worsens, swelling increases, or mobility declines despite treatment. Contact a provider if you notice signs of infection, such as redness, warmth, or drainage from the injury site. Prompt evaluation is important if healing does not progress as expected or if new symptoms develop.

Tips for Medical Coders

Document the encounter as a subsequent visit for fracture with delayed healing, specifying the left foot and first metatarsal bone. Include details about the fracture’s nondisplaced nature and any factors contributing to delayed healing, such as prior treatments or underlying conditions. Ensure documentation supports the use of code S92.315G by confirming the fracture is not displaced and healing is progressing slower than anticipated.