S62.243 Displaced fracture of shaft of first metacarpal bone, unspecified hand

Name of the Condition

• Displaced fracture of shaft of first metacarpal bone, unspecified hand

Summary

This condition involves a break in the shaft (midportion) of the first metacarpal bone, which connects the thumb to the wrist, with displacement of the bone fragments. Displacement means the broken pieces are no longer aligned properly. The severity and treatment depend on the extent of displacement and associated injuries.

Causes

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

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.

Symptoms

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

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 displacement and alignment of bone fragments.

Treatment Options

• Immobilization: Using a cast, splint, or brace to stabilize the fracture and allow healing.
• Closed reduction: Manual realignment of displaced bone fragments without surgery.
• Surgical intervention: Internal fixation with pins, screws, or plates for severe displacement or unstable fractures.
• Pain management: Medications to reduce discomfort during recovery.
• Rehabilitation: Physical therapy to restore strength and mobility after healing.

Prognosis and Follow-Up

Most fractures heal within 6–8 weeks with proper immobilization and care. Follow-up imaging may be needed to confirm alignment and healing. Full recovery of function depends on the severity of the fracture and adherence to treatment. Regular check-ups ensure proper healing and address any complications.

Complications

• Nonunion or malunion of the fracture.
• Stiffness or reduced range of motion in the thumb.
• Nerve or tendon damage.
• Chronic pain or arthritis in the affected joint.

Lifestyle & Prevention

• Use protective gear during high-risk activities (e.g., sports).
• Maintain bone health through adequate calcium and vitamin D intake.
• Avoid falls by using assistive devices if balance is impaired.
• Practice proper hand positioning during activities to reduce injury risk.

When to Seek Professional Help

Seek immediate medical attention if there is severe pain, visible deformity, inability to move the thumb, or signs of infection (e.g., redness, fever). Persistent pain or limited mobility after initial treatment also warrants evaluation.

Tips for Medical Coders

Document the displacement of the fracture and specify the hand (right/left) when known. For "unspecified hand," use this code only when the hand is not documented. Ensure clinical documentation supports the diagnosis and treatment provided.