S72.033M Displaced midcervical fracture of unspecified femur, subsequent encounter for open fracture type I or II with nonunion

Name of the Condition

• Displaced midcervical fracture of unspecified femur, subsequent encounter for open fracture type I or II with nonunion

Summary

A displaced midcervical fracture of the femur involves a break in the middle portion of the femoral neck (the region connecting the femoral head to the shaft) with bone fragments shifted out of normal alignment. This code specifies a subsequent encounter for an open fracture type I or II (where the overlying skin is broken but the wound is limited in size or contamination) that has failed to heal (nonunion). Nonunion occurs when the fracture does not fully unite after an expected healing period, requiring ongoing management.

Causes

High-impact trauma, such as falls or motor vehicle accidents. Low-impact trauma in individuals with weakened bones (e.g., osteoporosis). Nonunion may result from inadequate immobilization, poor blood supply to the fracture site, infection, or excessive movement during healing.

Risk Factors

• Advanced age, particularly in those over 65
• Osteoporosis or other bone density disorders
• Female gender, due to higher osteoporosis prevalence
• History of prior fractures or bone diseases
• Open fracture (increased risk of infection and nonunion)
• Smoking or poor nutrition affecting bone healing

Symptoms

• Persistent hip or groin pain at the fracture site
• Inability to bear weight on the affected leg
• Swelling, bruising, or tenderness around the hip
• Leg shortening or external rotation of the affected limb
• Limited range of motion in the hip joint
• Visible wound or break in the skin (for open fracture)
• Possible signs of infection (e.g., redness, drainage)

Diagnosis

Physical examination to assess pain, mobility, and limb alignment. Imaging studies, including X-rays or CT scans, to visualize the fracture and confirm nonunion (e.g., persistent fracture line with no bridging bone). Assessment of the open wound for size, contamination, or infection. Evaluation of healing progress over time to determine nonunion status.

Treatment Options

• Surgical intervention (e.g., internal fixation, bone grafting) to promote union and stabilize the fracture.
• Antibiotics for open fractures to prevent or treat infection.
• Immobilization (e.g., braces, casts) to protect the fracture during healing.
• Physical therapy to restore mobility and strength once healing allows.
• Pain management and wound care for open fractures.

Prognosis and Follow-Up

Prognosis depends on the severity of the fracture, presence of infection, and response to treatment. Nonunion may require additional interventions, and healing can be prolonged. Regular follow-up with imaging is necessary to monitor progress. Long-term mobility and function may be affected, but many patients achieve satisfactory outcomes with appropriate care.

Complications

• Infection (especially with open fractures)
• Persistent nonunion or malunion (improper healing)
• Avascular necrosis (loss of blood supply to the femoral head)
• Chronic pain or arthritis in the hip joint
• Reduced mobility or disability
• Need for additional surgeries

Lifestyle & Prevention

• Maintain bone health through adequate calcium and vitamin D intake.
• Engage in weight-bearing exercises to strengthen bones.
• Avoid high-risk activities that increase fracture risk.
• Use protective measures (e.g., hip pads) for those with osteoporosis.
• Follow post-fracture care instructions to support healing and reduce nonunion risk.

When to Seek Professional Help

Seek immediate medical attention for severe pain, inability to bear weight, visible wound, or signs of infection (e.g., fever, redness, drainage). Follow up with a healthcare provider if pain persists, mobility does not improve, or new symptoms develop.

Tips for Medical Coders

Document the fracture type (open I or II), nonunion status, and encounter type (subsequent) clearly. Include details on wound characteristics, infection presence, and treatment provided. Ensure alignment with clinical notes to support code assignment.