S62.146A Nondisplaced fracture of body of hamate [unciform] bone, unspecified wrist, initial encounter for closed fracture

Name of the Condition

• Nondisplaced fracture of body of hamate [unciform] bone, unspecified wrist, initial encounter for closed fracture

Summary

This condition refers to a break in the body of the hamate bone, one of the small carpal bones in the wrist, where the bone fragments remain in their normal alignment (nondisplaced). The hamate is located on the ulnar (pinky) side of the wrist and plays a role in wrist stability and grip. This is an initial encounter for a closed fracture, meaning the skin is intact and the fracture has not been previously treated.

Causes

Typically caused by direct trauma to the wrist, such as a fall onto an outstretched hand, a blow to the wrist, or a crushing injury. High-impact activities or accidents may also lead to fractures in this specific bone.

Risk Factors

• Participation in contact sports or activities with a high risk of falls.
• Osteoporosis or weakened bone structure, especially in older adults.
• Previous wrist injuries or fractures.

Symptoms

• Pain, swelling, and tenderness in the ulnar side of the wrist.
• Bruising or discoloration around the injury site.
• Limited range of motion or difficulty moving the hand or fingers.
• Visible deformity in severe cases.

Diagnosis

Physical examination to assess pain, swelling, and wrist mobility. Imaging tests, such as X-rays, CT scans, or MRIs, to confirm the fracture and evaluate its extent and alignment.

Treatment Options

• Immobilization: Using a cast, splint, or brace to stabilize the wrist and allow healing.
• Pain management: Over-the-counter or prescription medications to reduce pain and inflammation.
• Physical therapy: Exercises to restore strength and range of motion once healing progresses.
• Surgery: Rarely required for nondisplaced fractures, but may be considered if instability or other complications arise.

Prognosis and Follow-Up

Most nondisplaced fractures heal well with immobilization and time. Follow-up appointments are typically scheduled to monitor healing and adjust treatment as needed. Full recovery may take several weeks to months, depending on the individual and the severity of the injury.

Complications

• Delayed healing or nonunion of the fracture.
• Arthritis in the wrist joint over time.
• Nerve or tendon irritation due to swelling or misalignment.
• Reduced grip strength or range of motion.

Lifestyle & Prevention

• Use protective gear during high-risk activities (e.g., wrist guards in sports).
• Maintain bone health through a balanced diet and regular exercise.
• Avoid falls by using assistive devices if balance is a concern.

When to Seek Professional Help

Seek immediate medical attention if you experience severe pain, swelling, or deformity after a wrist injury, or if symptoms worsen despite initial care.

Tips for Medical Coders

Document the fracture as nondisplaced, specify the wrist as "unspecified," and note the initial encounter for a closed fracture. Ensure documentation supports the absence of displacement and the closed nature of the injury to accurately assign this code.