S72.043S Displaced fracture of base of neck of unspecified femur, sequela

Name of the Condition

• Displaced fracture of base of neck of unspecified femur, sequela (S72.043S)

Summary

This condition represents a displaced fracture of the femoral neck (the upper portion of the femur near the hip joint) that has entered the sequela phase. The term "sequela" indicates that the fracture is no longer in the acute or healing phase but has resulted in residual effects or chronic complications. This stage reflects long-term consequences of the initial injury, such as persistent pain, functional impairment, or structural changes.

Causes

The sequela arises from a prior displaced fracture of the femoral neck, typically caused by high-impact trauma (e.g., falls, motor vehicle accidents) or low-impact events in individuals with weakened bone density (e.g., osteoporosis). The residual effects stem from incomplete healing, malunion, or avascular necrosis of the femoral head.

Risk Factors

• Advanced age, particularly over 65, due to increased fracture risk and slower healing
• Osteoporosis or other bone-weakening conditions
• Female gender, linked to higher osteoporosis prevalence
• History of prior hip fractures or bone diseases
• Delayed or inadequate initial treatment of the fracture

Symptoms

• Chronic hip or groin pain
• Persistent swelling or tenderness
• Reduced range of motion in the hip joint
• Difficulty bearing weight on the affected leg
• Visible leg shortening or deformity
• Functional limitations in daily activities (e.g., walking, climbing stairs)

Diagnosis

Diagnosis involves a review of the patient’s medical history, including the initial fracture and its treatment. Physical examination assesses hip function, pain, and deformity. Imaging studies, such as X-rays or MRI, may be used to evaluate residual bone alignment, avascular necrosis, or degenerative changes. The sequela classification is confirmed by the absence of active healing and the presence of long-term complications.

Treatment Options

Treatment focuses on managing symptoms and improving function. Options may include physical therapy to strengthen surrounding muscles and improve mobility, pain management with medications or injections, assistive devices (e.g., canes, walkers) for stability, and, in severe cases, surgical intervention (e.g., joint replacement) to address structural damage. The approach is tailored to the patient’s functional goals and overall health.

Prognosis and Follow-Up

Prognosis depends on the extent of residual damage and the patient’s overall health. Many individuals experience improved function with rehabilitation, though some may have persistent limitations. Regular follow-up with a healthcare provider is essential to monitor for complications, adjust treatment, and address ongoing symptoms. Long-term care may involve periodic imaging to assess joint health.

Complications

• Avascular necrosis (loss of blood supply to the femoral head)
• Post-traumatic arthritis of the hip joint
• Chronic pain or stiffness
• Muscle weakness or atrophy
• Reduced mobility or disability
• Need for surgical intervention (e.g., joint replacement)

Lifestyle & Prevention

• Engage in weight-bearing exercises to maintain bone density (if appropriate)
• Use assistive devices to reduce hip stress during activities
• Follow a balanced diet rich in calcium and vitamin D to support bone health
• Avoid high-impact activities that may exacerbate joint strain
• Participate in physical therapy to preserve mobility and strength

When to Seek Professional Help

Seek medical attention if you experience worsening pain, new swelling, increased difficulty bearing weight, or signs of infection (e.g., fever, redness) around the hip. Prompt evaluation is also recommended for sudden changes in mobility or persistent functional limitations that affect daily life.

Tips for Medical Coders

This code (S72.043S) is used for the sequela of a displaced fracture of the femoral neck. Document the residual effects (e.g., chronic pain, functional impairment) and confirm the fracture is no longer in the acute healing phase. Ensure the diagnosis aligns with the sequela definition and that the code is not used for active fractures or initial encounters.