S62.213K Bennett's fracture, unspecified hand, subsequent encounter for fracture with nonunion

Name of the Condition

• Bennett's fracture, unspecified hand, subsequent encounter for fracture with nonunion

Summary

This condition is a specific type of fracture involving the base of the first metacarpal bone, which connects the thumb to the wrist. It typically occurs at the joint surface and may involve displacement of the bone fragment. The fracture is documented as a subsequent encounter, indicating ongoing care after the initial treatment phase, and is classified as having nonunion, meaning the bone has failed to heal properly. The injury often results from a forceful impact to the thumb, leading to instability at the carpometacarpal joint.

Causes

Commonly caused by direct trauma, such as a fall onto an outstretched hand or a forceful blow to the thumb. This type of injury is frequently associated with activities that place stress on the thumb, including sports or manual labor. Nonunion may occur due to inadequate immobilization, poor blood supply to the bone, or infection.

Risk Factors

• Participation in contact sports or activities with a high risk of falls.
• Osteoporosis or weakened bone structure, especially in older adults.
• Previous hand or thumb injuries that may have compromised bone integrity.
• Occupational hazards involving repetitive or forceful hand use.
• Smoking or other factors that impair bone healing.

Symptoms

• Persistent pain, swelling, and tenderness at the base of the thumb.
• Bruising or discoloration around the injury site.
• Limited range of motion or difficulty moving the thumb.
• Visible deformity in severe cases.
• Possible clicking or grinding sensation during movement.

Diagnosis

Physical examination to assess pain, swelling, and mobility. Imaging tests, such as X-rays, CT scans, or MRIs, to confirm the fracture and evaluate its extent, including any joint involvement or displacement. Additional tests may be used to assess bone healing and identify nonunion.

Treatment Options

• Surgical intervention: May include bone grafting, internal fixation, or joint reconstruction to promote healing.
• Immobilization: Use of casts or splints to stabilize the fracture and support healing.
• Physical therapy: Exercises to restore range of motion and strength.
• Pain management: Medications to alleviate discomfort and reduce inflammation.

Prognosis and Follow-Up

Prognosis depends on the severity of the nonunion and the effectiveness of treatment. Follow-up care is essential to monitor healing progress and adjust treatment as needed. Regular imaging may be required to assess bone union and joint function.

Complications

• Chronic pain or instability at the carpometacarpal joint.
• Arthritis or joint degeneration due to improper healing.
• Infection, particularly if surgical intervention is required.
• Reduced grip strength or functional impairment.

Lifestyle & Prevention

• Avoid activities that place excessive stress on the thumb until fully healed.
• Use protective gear during sports or high-risk activities.
• Maintain bone health through proper nutrition and exercise.
• Follow post-treatment guidelines to support healing and prevent re-injury.

When to Seek Professional Help

Seek immediate medical attention if experiencing severe pain, swelling, or deformity after an injury. Consult a healthcare provider if symptoms persist or worsen despite initial treatment, or if there are signs of infection (e.g., redness, warmth, fever).

Tips for Medical Coders

Document the encounter as a subsequent visit for a fracture with nonunion. Ensure clinical notes specify the nonunion status and any contributing factors, such as delayed healing or prior treatment failures. Code assignment should reflect the ongoing nature of care and the presence of nonunion.