S52.263H Displaced segmental fracture of shaft of ulna, unspecified arm, subsequent encounter for open fracture type I or II with delayed healing

Name of the Condition

• Displaced segmental fracture of shaft of ulna, unspecified arm, subsequent encounter for open fracture type I or II with delayed healing

Summary

A displaced segmental fracture of the shaft of the ulna, unspecified arm, is a break in the long, straight portion of the ulna bone (one of the two forearm bones) where the bone is broken into two or more separate fragments, and these fragments are misaligned. This type of fracture involves the main body of the ulna and typically results from significant trauma, with the bone splitting into distinct segments that are not in their normal anatomical position. The fracture is classified as open (type I or II), meaning the skin is broken, and this is a subsequent encounter for treatment with delayed healing, indicating the fracture has not progressed as expected during the healing process.

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.
• Persistent pain or lack of progress in healing during follow-up.

Diagnosis

Physical examination to assess tenderness, swelling, and deformity. Imaging studies, such as X-rays, to confirm the fracture type, displacement, and healing status. Evaluation of the open wound (if present) to determine fracture type (I or II). Assessment of healing progress to identify delayed healing.

Treatment Options

Immobilization with a cast or splint to stabilize the fracture. Surgical intervention, such as internal fixation, if the fracture is unstable or not healing properly. Wound care for open fractures to prevent infection. Pain management with medications. Physical therapy to restore function once healing allows.

Prognosis and Follow-Up

Prognosis depends on the severity of the fracture, treatment adherence, and overall health. Delayed healing may require extended immobilization or additional interventions. Regular follow-up appointments to monitor healing progress through imaging and physical exams. Gradual return to normal activities as healing permits.

Complications

Delayed or nonunion of the fracture. Infection, particularly with open fractures. Nerve or blood vessel damage. Chronic pain or stiffness. Malunion (improper healing leading to deformity).

Lifestyle & Prevention

Avoid high-risk activities or use protective gear during sports. Maintain bone health through a balanced diet rich in calcium and vitamin D. Engage in regular weight-bearing exercise to strengthen bones. Use proper techniques to prevent falls, such as removing tripping hazards at home.

When to Seek Professional Help

Persistent or worsening pain, swelling, or deformity. Signs of infection, such as fever, redness, or drainage from the wound. Numbness, tingling, or coldness in the hand or fingers. Inability to move the arm or wrist. Delayed healing concerns during follow-up visits.

Tips for Medical Coders

Document the fracture type (open, type I or II) and the presence of delayed healing to support the code. Specify the encounter as subsequent and note the healing status. Ensure clinical documentation aligns with the code’s description to accurately reflect the patient’s condition and treatment phase.