S52.225 Nondisplaced transverse fracture of shaft of left ulna

Name of the Condition

• Nondisplaced transverse fracture of shaft of left ulna

Summary

A nondisplaced transverse fracture of the shaft of the left ulna is a straight-line break across the long, central portion of the ulna bone (one of the two forearm bones) where the bone fragments remain in their normal anatomical alignment. The fracture runs horizontally through the bone shaft, and the lack of displacement means the bone pieces are not shifted out of position.

Causes

Direct trauma to the forearm, such as from a fall, blow, or accident. High-impact injuries, including sports-related incidents or motor vehicle collisions. Indirect forces transmitted through the wrist or elbow, potentially causing a break in the ulna shaft.

Risk Factors

• Participation in contact sports or activities with a high risk of falls.
• Osteoporosis or other conditions that weaken bone density.
• Previous fractures or bone abnormalities that may predispose to injury.
• Advanced age, which can reduce bone strength.

Symptoms

• Pain and tenderness localized to the forearm.
• Swelling and bruising around the injured area.
• Difficulty moving the arm, wrist, or hand due to pain or instability.
• Possible visible deformity if the fracture is displaced (though less common in nondisplaced cases).

Diagnosis

Physical examination to assess tenderness, swelling, and range of motion. Imaging tests, such as X-rays, to confirm the fracture and evaluate alignment. Additional imaging (e.g., CT scans) may be used for complex cases or to rule out associated injuries.

Treatment Options

• Immobilization with a cast or splint to stabilize the fracture and promote healing.
• Pain management with over-the-counter or prescription medications.
• Physical therapy to restore strength and range of motion after healing.
• Surgical intervention (rare for nondisplaced fractures) if instability or associated injuries are present.

Prognosis and Follow-Up

Most nondisplaced fractures heal well with proper immobilization and follow-up care. Recovery typically takes 6–8 weeks, with gradual return to normal activities as tolerated. Regular follow-up appointments may be needed to monitor healing and adjust treatment.

Complications

• Delayed healing or nonunion if the fracture does not heal properly.
• Malunion (abnormal healing) if alignment is not maintained.
• Stiffness or reduced range of motion in the wrist or elbow.
• Nerve or blood vessel injury (rare but possible with severe trauma).

Lifestyle & Prevention

• Use protective gear during high-risk activities (e.g., sports, work).
• Maintain bone health through a balanced diet and regular exercise.
• Avoid falls by modifying home environments (e.g., removing tripping hazards).
• Strengthen forearm muscles to improve stability and reduce injury risk.

When to Seek Professional Help

Seek immediate medical attention if you experience severe pain, swelling, or deformity after a forearm injury. Contact a healthcare provider if symptoms worsen, or if you develop numbness, tingling, or difficulty moving the hand or fingers.

Tips for Medical Coders

Document the fracture location (left ulna shaft), type (transverse), and displacement status (nondisplaced) clearly in the medical record. Ensure the code S52.225 is supported by clinical documentation confirming the nondisplaced nature of the fracture and the affected side (left). Include details about imaging results, treatment, and follow-up to support accurate coding and billing.