S92.245K Nondisplaced fracture of medial cuneiform of left foot, subsequent encounter for fracture with nonunion

Name of the Condition

• Nondisplaced fracture of medial cuneiform of left foot, subsequent encounter for fracture with nonunion

Summary

A nondisplaced fracture of the medial cuneiform of the left foot involves a break in the medial cuneiform bone, one of the tarsal bones in the midfoot, where the bone fragments remain aligned. This condition is documented as a subsequent encounter, indicating ongoing care for the fracture, and is classified as having nonunion, meaning the bone has failed to heal properly after an expected period. The severity depends on the extent of the nonunion and associated soft tissue damage.

Causes

Usually caused by direct trauma, such as falls, sports injuries, or motor vehicle accidents. Nonunion may develop due to inadequate immobilization, poor blood supply to the bone, infection, or excessive movement at the fracture site during healing.

Risk Factors

• Participation in high-impact sports or activities.
• Osteoporosis or other bone-weakening conditions.
• Older age due to decreased bone density.
• Previous foot injuries or fractures.
• Improper footwear or inadequate protective gear.
• Smoking or other factors that impair bone healing.

Symptoms

• Persistent pain at the fracture site, often worsening with weight-bearing.
• Swelling and tenderness in the midfoot.
• Bruising and possible deformity of the foot.
• Difficulty walking or inability to bear weight.
• Limited range of motion in the foot.

Diagnosis

Physical examination to assess pain, swelling, and range of motion. Imaging tests, such as X-rays, CT scans, or MRIs, to visualize the fracture and determine the presence of nonunion. Additional tests may be used to evaluate blood flow or infection if needed.

Treatment Options

Treatment may include immobilization with a cast or brace to stabilize the fracture, surgical intervention to promote healing (e.g., bone grafting or fixation), pain management, and physical therapy to restore function. The approach depends on the severity of the nonunion and the patient's overall health.

Prognosis and Follow-Up

Prognosis varies based on the extent of the nonunion and response to treatment. Regular follow-up with imaging is typically required to monitor healing. Long-term outcomes may include persistent pain or reduced mobility if the fracture does not heal properly.

Complications

• Chronic pain or instability in the foot.
• Increased risk of arthritis in the midfoot.
• Infection, particularly if surgical intervention is needed.
• Difficulty returning to normal activities or sports.

Lifestyle & Prevention

• Wear appropriate footwear with good support.
• Avoid high-impact activities that may stress the foot.
• Maintain a healthy diet rich in calcium and vitamin D to support bone health.
• Follow post-injury care instructions carefully to promote healing.

When to Seek Professional Help

Seek medical attention if pain worsens, swelling increases, or there are signs of infection (e.g., redness, warmth, or drainage). Prompt evaluation is important if mobility is significantly impaired or if the fracture does not appear to be healing as expected.

Tips for Medical Coders

Document the subsequent encounter and nonunion clearly in the medical record. Ensure the code S92.245K is used only when the fracture is nondisplaced, involves the left medial cuneiform, and is a subsequent encounter with nonunion. Verify that the documentation supports the nonunion diagnosis and that the encounter is not the initial treatment phase.