S72.112N Displaced fracture of greater trochanter of left femur, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

Name of the Condition

• Displaced fracture of greater trochanter of left femur, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

Summary

A displaced fracture of the greater trochanter of the left femur is a break in the bony prominence on the upper part of the left thigh bone (femur) near the hip joint, where the bone fragment has moved out of its normal position. This code applies to a subsequent encounter for an open fracture (type IIIA, IIIB, or IIIC) with nonunion, indicating the fracture has not healed properly after an initial injury. Open fractures involve a break in the skin with significant soft tissue damage, and nonunion refers to the failure of the bone to fuse over time.

Causes

Displaced fractures of the greater trochanter typically result from direct trauma, such as falls or high-impact injuries. Open fractures may occur from trauma that penetrates the skin, like a fall onto a sharp object or a high-velocity injury. Nonunion can develop due to inadequate initial treatment, poor blood supply to the bone, infection, or excessive movement at the fracture site.

Risk Factors

• Advanced age, particularly in postmenopausal women with osteoporosis.
• Conditions that weaken bones, such as osteoporosis, cancer, or metabolic disorders.
• History of previous fractures or falls.
• Sedentary lifestyle or limited mobility.
• Trauma involving open wounds, such as motor vehicle accidents or falls onto sharp surfaces.
• Factors contributing to nonunion, including smoking, diabetes, or poor nutrition.

Symptoms

• Persistent hip or groin pain, often worsened by movement.
• Inability to bear weight on the affected leg.
• Swelling, bruising, or deformity around the hip.
• Leg shortening or external rotation.
• Visible wound or open area at the fracture site (for open fractures).
• Signs of nonunion, such as persistent pain or lack of healing over months.

Diagnosis

Physical examination to assess pain, range of motion, and deformity. Imaging studies, including X-rays or CT scans, to confirm the fracture, evaluate displacement, and assess for nonunion. Assessment of the open wound to determine fracture type (IIIA, IIIB, or IIIC) based on soft tissue damage and contamination. Evaluation of blood supply and potential infection.

Treatment Options

• Surgical intervention to realign and stabilize the fracture, often with internal fixation devices.
• Debridement of the open wound to remove damaged tissue and reduce infection risk.
• Antibiotics to treat or prevent infection in open fractures.
• Bone grafting or other procedures to promote healing in cases of nonunion.
• Physical therapy to restore mobility and strength after healing.

Prognosis and Follow-Up

Prognosis depends on the severity of the fracture, type of open injury, and success of treatment. Nonunion may require additional interventions, such as revision surgery or bone stimulation. Regular follow-up with imaging to monitor healing and address complications. Long-term rehabilitation to improve function and reduce disability.

Complications

• Infection, particularly in open fractures.
• Nonunion or delayed healing.
• Avascular necrosis (loss of blood supply to the bone).
• Arthritis or joint damage.
• Chronic pain or limited mobility.
• Nerve or blood vessel injury.

Lifestyle & Prevention

• Maintain bone health through a balanced diet rich in calcium and vitamin D.
• Engage in weight-bearing exercise to strengthen bones.
• Use fall prevention strategies, such as removing tripping hazards and wearing supportive footwear.
• Manage underlying conditions like osteoporosis with medication and lifestyle changes.
• Avoid high-risk activities that increase fracture risk.

When to Seek Professional Help

Seek immediate medical attention for severe hip pain, inability to bear weight, visible wounds, or signs of infection (e.g., fever, redness, pus). Follow up with a healthcare provider if pain persists, swelling worsens, or there are concerns about healing.

Tips for Medical Coders

Document the fracture type (IIIA, IIIB, or IIIC) and the presence of nonunion clearly. Specify the encounter as "subsequent" and note the open fracture details, including soft tissue damage and contamination. Ensure documentation supports the nonunion diagnosis, such as failed healing over time or the need for additional interventions.