S90.0 Contusion of ankle

Name of the Condition

• Contusion of ankle

Summary

A contusion of the ankle is a bruise resulting from blunt force trauma that damages underlying soft tissues without breaking the skin. It involves localized injury to the ankle region, typically causing pain, swelling, and discoloration.

Causes

Direct impact or trauma to the ankle, such as a fall or collision. Sudden twisting or bending of the ankle during physical activity. Blunt force from objects striking the ankle area.

Risk Factors

• Participation in sports or activities with high ankle injury risk (e.g., running, jumping).
• Wearing improper footwear or inadequate support.
• Pre-existing ankle instability or previous injuries.

Symptoms

• Pain and tenderness around the ankle.
• Swelling and bruising (discoloration) of the skin.
• Limited range of motion or difficulty bearing weight.

Diagnosis

Physical examination to assess tenderness, swelling, and discoloration. Review of the patient’s history to determine the mechanism of injury. Imaging (e.g., X-rays) may be used to rule out fractures or other injuries.

Treatment Options

• Rest and elevation to reduce swelling.
• Ice application to alleviate pain and inflammation.
• Compression with bandages or braces for support.
• Pain relief medications if needed.

Prognosis and Follow-Up

Most contusions heal within 1–2 weeks with proper care. Follow-up may be recommended if symptoms worsen or persist, or if mobility is significantly impaired.

Complications

• Prolonged pain or swelling if not treated appropriately.
• Increased risk of recurrent injuries due to weakened tissues.
• Rarely, nerve or ligament damage from severe trauma.

Lifestyle & Prevention

• Wear supportive footwear during physical activities.
• Warm up and stretch before exercise to reduce injury risk.
• Avoid uneven surfaces or hazardous environments that may cause falls.

When to Seek Professional Help

• Severe pain, inability to bear weight, or significant swelling.
• Signs of infection (e.g., redness, warmth, pus).
• Numbness, tingling, or persistent instability in the ankle.

Tips for Medical Coders

• Use code S90.0 for a contusion of the ankle, ensuring documentation specifies the anatomical location.
• Confirm the encounter type (e.g., initial, subsequent) to align with coding guidelines.
• Document the mechanism of injury and clinical findings to support code assignment.