S62.358K Nondisplaced fracture of shaft of other metacarpal bone, subsequent encounter for fracture with nonunion

Name of the Condition

• Nondisplaced fracture of shaft of other metacarpal bone, subsequent encounter for fracture with nonunion

Summary

A nondisplaced fracture of the shaft of another metacarpal bone, subsequent encounter for fracture with nonunion, refers to a break in the middle portion of one of the hand bones (excluding the thumb) where the bone fragments remain aligned, but healing has not occurred as expected during follow-up care. This condition indicates a failure of the fracture to unite, requiring ongoing management.

Causes

Direct trauma, such as a fall or blow to the hand. Sports-related injuries or accidents. Inadequate immobilization or premature weight-bearing. Poor blood supply to the fracture site. Underlying medical conditions affecting bone healing.

Risk Factors

• Participation in contact sports or high-impact activities.
• Reduced bone density or osteoporosis.
• Smoking or poor nutrition.
• Chronic conditions like diabetes or vascular disease.
• Prior history of fractures or nonunion.

Symptoms

• Persistent pain at the fracture site.
• Swelling or tenderness that does not improve over time.
• Limited mobility or stiffness in the affected hand.
• Possible clicking or grinding sensation with movement.
• No visible deformity, but discomfort during use.

Diagnosis

Physical examination by a healthcare provider to assess tenderness, swelling, or functional limitations. Imaging tests, such as X-rays or CT scans, to evaluate bone alignment and confirm nonunion. Review of prior treatment and healing progress.

Treatment Options

• Prolonged immobilization with a cast or splint to encourage healing.
• Bone stimulation therapies, such as electrical or ultrasound treatment.
• Surgical intervention, including bone grafting or internal fixation, to promote union.
• Pain management with medications or physical therapy to restore function.

Prognosis and Follow-Up

Prognosis depends on the severity of nonunion and response to treatment. Regular follow-up imaging is typically required to monitor healing. Most patients achieve functional recovery with appropriate intervention, though some may experience long-term stiffness or discomfort.

Complications

• Chronic pain or disability.
• Infection, particularly if surgery is performed.
• Arthritis or joint damage from prolonged instability.
• Need for additional surgeries if initial treatments fail.

Lifestyle & Prevention

• Avoid high-impact activities until cleared by a healthcare provider.
• Maintain a balanced diet rich in calcium and vitamin D to support bone health.
• Quit smoking, as it impairs healing.
• Use protective gear during sports or manual labor.
• Follow post-treatment guidelines strictly to optimize recovery.

When to Seek Professional Help

Seek care if pain worsens, swelling increases, or mobility declines despite treatment. Contact a provider immediately for new or worsening symptoms, such as fever, redness, or drainage, which may indicate infection.

Tips for Medical Coders

Document the fracture site (specific metacarpal), confirmation of nonunion, and details of subsequent encounters, including treatment plans and imaging results. Ensure clinical notes support the diagnosis and justify the use of this code.