H60.1 Cellulitis of external ear

Name of the Condition

• Cellulitis of external ear

Summary

Cellulitis of the external ear is an infection of the skin and underlying tissue of the outer ear, often resulting from bacterial pathogens. The condition typically causes localized inflammation and discomfort and is treatable with appropriate medical intervention.

Causes

Cellulitis of the external ear is most commonly caused by bacterial infections, such as Staphylococcus aureus or Streptococcus species. These infections may arise from breaks in the skin, such as trauma, insect bites, or pre-existing skin conditions that allow bacteria to enter and spread.

Risk Factors

• Recent injury or trauma to the ear
• Skin conditions (e.g., eczema, psoriasis)
• Weakened immune system
• Chronic ear infections or drainage
• Exposure to contaminated water or objects

Symptoms

• Redness, swelling, and warmth of the ear
• Pain or tenderness, often worsening with touch
• Skin tightness or hardness in the affected area
• Possible fever or general malaise
• Drainage or pus in severe cases

Diagnosis

Diagnosis is typically made through a physical examination of the ear and surrounding tissue. A healthcare provider may assess for redness, swelling, or warmth. In some cases, a sample of drainage or tissue may be cultured to identify the causative organism.

Treatment Options

• Antibiotic therapy, often oral or topical, to target the infection
• Pain management with analgesics
• Warm compresses to reduce discomfort and swelling
• In severe cases, hospitalization for intravenous antibiotics

Prognosis and Follow-Up

With prompt treatment, most cases of cellulitis resolve without complications. Follow-up visits may be necessary to monitor healing and ensure the infection is fully cleared. Untreated or severe cases may require extended antibiotic courses.

Complications

• Spread of infection to deeper tissues or nearby structures
• Formation of an abscess
• Systemic infection (sepsis) in severe cases
• Recurrence if underlying causes are not addressed

Lifestyle & Prevention

• Avoid inserting objects into the ear to prevent skin breaks
• Keep the ear clean and dry, especially after water exposure
• Treat skin conditions promptly to reduce infection risk
• Practice good hand hygiene to avoid introducing bacteria

When to Seek Professional Help

Seek medical attention if symptoms worsen, do not improve with treatment, or if fever, severe pain, or spreading redness occurs. Immediate care is needed for signs of systemic infection, such as confusion or rapid heart rate.

Tips for Medical Coders

Document the location (external ear) and any associated factors, such as trauma or skin conditions, to support code assignment. Ensure clinical documentation specifies cellulitis rather than other ear infections for accurate coding.