S82.115 Nondisplaced fracture of left tibial spine

Name of the Condition

• Nondisplaced fracture of left tibial spine

Summary

A nondisplaced fracture of the left tibial spine involves a break in the bony prominence at the upper end of the left tibia (shinbone) where it connects to the knee joint, with the fracture fragments remaining in their normal alignment. This area, also known as the intercondylar eminence, is critical for stabilizing the knee and guiding ligament attachment. Nondisplaced fractures typically result from lower-energy trauma and may not disrupt joint function as severely as displaced fractures.

Causes

Traumatic injury is the primary cause, such as falls, direct impacts to the knee, or sudden twisting motions. Lower-energy forces, including those from sports (e.g., soccer, basketball) or minor accidents, can fracture the tibial spine. The injury often occurs when the knee is bent and subjected to stress, such as during a fall onto the knee or a forceful pivot.

Risk Factors

• Participation in high-impact or contact sports that involve sudden stops or changes in direction.
• Previous knee injuries or ligament damage, which may weaken the joint.
• Osteoporosis or other bone-weakening conditions that reduce bone density.
• Advanced age, as bone strength naturally declines over time.

Symptoms

• Pain and swelling localized to the knee joint.
• Inability to fully extend or bear weight on the affected leg.
• Possible instability or "giving way" of the knee.
• Bruising or discoloration around the knee.

Diagnosis

Diagnosis begins with a physical examination to assess pain, swelling, and joint stability. Imaging studies, such as X-rays or MRI, are used to confirm the fracture, evaluate displacement, and rule out associated injuries like ligament tears. Nondisplaced fractures may require careful imaging to detect subtle breaks.

Treatment Options

Treatment depends on the severity and patient factors. Nondisplaced fractures often heal with immobilization, such as a brace or cast, and restricted weight-bearing. Physical therapy may be recommended to restore strength and mobility. Surgical intervention is rarely needed unless instability or associated injuries are present.

Prognosis and Follow-Up

Prognosis is generally favorable for nondisplaced fractures, with most patients recovering fully with proper immobilization and rehabilitation. Follow-up appointments monitor healing progress, and imaging may be repeated to ensure proper alignment. Return to activity is gradual, guided by pain and functional recovery.

Complications

• Delayed union or nonunion of the fracture.
• Post-traumatic arthritis due to joint stress.
• Residual knee instability or stiffness.
• Nerve or vascular injury (rare).

Lifestyle & Prevention

• Use protective gear during high-impact sports.
• Maintain bone health through diet and exercise.
• Avoid sudden, forceful knee movements.
• Strengthen knee muscles to improve stability.

When to Seek Professional Help

Seek immediate care if you experience severe knee pain, inability to bear weight, visible deformity, or signs of infection (e.g., fever, redness). Persistent swelling, instability, or failure to improve with conservative treatment also warrants evaluation.

Tips for Medical Coders

Document the laterality (left) and displacement status (nondisplaced) clearly in the medical record. Ensure the fracture is confirmed via imaging and that associated injuries (e.g., ligament tears) are evaluated but not coded separately unless explicitly documented. Use this code only for fractures of the tibial spine (intercondylar eminence) without displacement.