B95.61 Methicillin susceptible Staphylococcus aureus infection as the cause of diseases classified elsewhere

Name of the Condition

• Methicillin susceptible Staphylococcus aureus infection as the cause of diseases classified elsewhere (ICD Code B95.61)

Summary

This condition refers to infections caused by methicillin-susceptible Staphylococcus aureus (MSSA) bacteria, which contribute to diseases classified under other primary conditions. MSSA can lead to a variety of infections, including skin and soft tissue infections, bloodstream infections, or respiratory infections, depending on the site and severity.

Causes

Methicillin-susceptible Staphylococcus aureus bacteria are responsible. These bacteria are commonly found on the skin or in the nose and can cause disease when they enter normally sterile areas or when the immune system is compromised. Transmission occurs through direct contact, contaminated surfaces, or healthcare-associated exposures.

Risk Factors

• Hospitalization or long-term care facility stays
• Recent surgery or invasive procedures
• Use of medical devices (e.g., catheters, ventilators)
• Compromised immune systems (e.g., diabetes, cancer, HIV)
• Chronic skin conditions or wounds
• Prolonged antibiotic use

Symptoms

• Symptoms vary by infection site and may include fever, chills, pain, redness, swelling, or discharge. For example, skin infections may present with pus or abscesses, while bloodstream infections can cause sepsis.

Diagnosis

Diagnosis involves identifying MSSA through cultures of blood, tissue, or other bodily fluids. Laboratory tests confirm susceptibility to methicillin and other antibiotics. Imaging may be used to detect internal infections or abscesses.

Treatment Options

• Antibiotics, typically penicillinase-resistant penicillins or cephalosporins, to eliminate the bacteria
• Supportive care for symptomatic relief, such as pain management or drainage of abscesses

Prognosis and Follow-Up

Prognosis depends on the infection site, severity, and patient health. Most infections respond well to treatment, but follow-up may be needed to monitor for recurrence or complications. Patients with severe infections may require extended care.

Complications

• Sepsis or septic shock
• Deep tissue infections or abscesses
• Endocarditis (infection of the heart valves)
• Pneumonia or respiratory failure
• Wound healing complications

Lifestyle & Prevention

• Practice good hand hygiene to reduce bacterial spread
• Keep wounds clean and covered to prevent infection
• Avoid sharing personal items (e.g., towels, razors)
• Follow healthcare provider instructions for device care (e.g., catheters)
• Maintain a healthy immune system through balanced nutrition and regular exercise

When to Seek Professional Help

Seek medical attention if you experience persistent fever, worsening pain, redness, or swelling at an infection site, or signs of systemic infection (e.g., chills, confusion). Prompt care is critical for severe infections.

Tips for Medical Coders

Document the specific infection site and clinical findings to support the use of B95.61. Ensure the underlying condition (classified elsewhere) is clearly identified, as B95.61 is secondary to the primary diagnosis. Verify susceptibility testing confirms methicillin susceptibility for accurate coding.