S62.345A Nondisplaced fracture of base of fourth metacarpal bone, left hand, initial encounter for closed fracture

Name of the Condition

• Nondisplaced fracture of base of fourth metacarpal bone, left hand, initial encounter for closed fracture

Summary

A nondisplaced fracture of the base of the fourth metacarpal bone in the left hand involves a small break or crack in the bone that connects to the ring finger, where the bone fragments remain in proper alignment. This type of injury typically results from trauma or direct impact to the hand and is classified as a closed fracture (no open wound) during the initial encounter.

Causes

Direct trauma, such as a fall onto the hand or a blow to the area, is the primary cause. Sports-related injuries, accidents, or repetitive stress may also lead to this fracture.

Risk Factors

• Participation in activities with a risk of hand trauma, such as contact sports or manual labor.
• Reduced bone density, which can increase susceptibility to fractures.
• Inadequate hand protection during high-risk activities.

Symptoms

• Pain and tenderness at the base of the fourth metacarpal bone.
• Swelling and bruising around the affected area.
• Difficulty or pain when moving the ring finger.

Diagnosis

Physical examination by a healthcare provider to assess tenderness, swelling, or deformity. Imaging tests, such as X-rays, are used to confirm the fracture and verify that the bone fragments are properly aligned.

Treatment Options

• Immobilization with a splint or cast: To keep the bones in place while healing.
• Pain management using over-the-counter or prescription medications.
• Physical therapy to restore mobility and strength.
• Surgery may be required for severe or displaced fractures to realign the bone.

Prognosis and Follow-Up

Most nondisplaced fractures heal well with proper immobilization and care. Follow-up appointments are typically scheduled to monitor healing progress, often with repeat imaging to confirm bone alignment. Full recovery may take several weeks, depending on the individual's age and overall health.

Complications

• Delayed healing or nonunion if the fracture is not properly immobilized.
• Stiffness or reduced range of motion in the affected finger.
• Chronic pain in rare cases.

Lifestyle & Prevention

• Use protective gear during high-impact activities or sports.
• Maintain bone health through a balanced diet rich in calcium and vitamin D.
• Avoid repetitive hand movements that may increase stress on the metacarpal bones.

When to Seek Professional Help

Seek immediate medical attention if there is severe pain, visible deformity, or inability to move the finger. Persistent swelling, bruising, or pain after initial treatment may also warrant a follow-up with a healthcare provider.

Tips for Medical Coders

Document the specific location (base of the fourth metacarpal bone, left hand), the fracture type (nondisplaced), and the encounter type (initial for closed fracture) to ensure accurate coding. Include details about the mechanism of injury, imaging results, and treatment provided to support the diagnosis.