S82.024F Nondisplaced longitudinal fracture of right patella, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

Name of the Condition

• Nondisplaced longitudinal fracture of right patella, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

Summary

A nondisplaced longitudinal fracture of the right patella is a vertical break in the kneecap that remains in its normal alignment. This type of fracture involves a crack along the bone’s length without shifting of the fragments, preserving knee stability. The injury is classified as an open fracture (type IIIA, IIIB, or IIIC), indicating the skin was breached during the initial trauma, and is documented as a subsequent encounter for treatment with routine healing.

Causes

Direct trauma to the knee, such as a fall onto the kneecap, a forceful blow, or a sudden contraction of the quadriceps muscle. High-impact events like sports injuries or motor vehicle accidents are common triggers. The open nature of the fracture indicates the skin was breached during the injury, with type IIIA, IIIB, or IIIC specifying the severity of soft tissue damage.

Risk Factors

• Participation in activities with a high risk of knee injury, such as contact sports or skiing.
• Osteoporosis or other bone-weakening conditions.
• Previous knee injuries or surgeries.
• Advanced age, which may reduce bone density.

Symptoms

• Sudden, severe pain in the knee.
• Swelling and bruising around the kneecap.
• Inability to straighten the knee or bear weight.
• Visible deformity or a gap in the kneecap area.
• A "popping" sensation at the time of injury.
• Open wound over the kneecap (type IIIA, IIIB, or IIIC).

Diagnosis

A physical examination to assess knee movement, swelling, and tenderness. Imaging studies, typically X-rays, to confirm the fracture and evaluate bone alignment. In some cases, a CT scan may be used to assess complex fracture patterns. Documentation of the open fracture type (IIIA, IIIB, or IIIC) and confirmation of routine healing are critical for accurate coding.

Treatment Options

• Immobilization with a cast or brace to allow healing.
• Pain management with medications.
• Wound care for the open fracture site.
• Physical therapy to restore knee function once healing is established.
• Surgical intervention may be required for severe open fractures or if healing is delayed.

Prognosis and Follow-Up

With proper treatment, most nondisplaced longitudinal fractures heal without long-term complications. Routine healing is expected, but follow-up appointments are necessary to monitor progress and adjust treatment as needed. Full recovery may take several weeks to months, depending on the severity of the injury and adherence to rehabilitation.

Complications

• Infection at the open wound site.
• Delayed healing or nonunion.
• Post-traumatic arthritis.
• Chronic pain or stiffness in the knee.
• Nerve or blood vessel damage (rare).

Lifestyle & Prevention

• Use protective gear during high-risk activities.
• Maintain bone health through diet and exercise.
• Avoid falls by using assistive devices if needed.
• Follow rehabilitation guidelines to restore strength and mobility.

When to Seek Professional Help

• Severe or worsening pain.
• Increased swelling, redness, or drainage from the wound.
• Signs of infection (fever, chills).
• Inability to bear weight or move the knee.
• Numbness or tingling in the leg or foot.

Tips for Medical Coders

Document the fracture type (IIIA, IIIB, or IIIC) and confirm routine healing to support this code. Include details of the open wound, treatment provided, and follow-up status to ensure accurate coding. Verify that the encounter is subsequent (not initial) and that the fracture remains nondisplaced with no complications affecting healing.