Name of the Condition

• Personal History of Anaphylaxis

Summary

Anaphylaxis is a severe and potentially life-threatening allergic reaction that can occur suddenly after exposure to an allergen. Individuals with a personal history of anaphylaxis have previously experienced such a reaction and are at a higher risk of recurrence.

Causes

Anaphylaxis can be triggered by various allergens, including certain foods (like peanuts or shellfish), insect stings (such as bee or wasp stings), medications, or latex. Each individual may have different triggers.

Risk Factors

• Previous episodes of anaphylaxis.
• Existing allergies or asthma.
• Family history of anaphylaxis or severe allergies.
• Exposure to known allergens.

Symptoms

• Difficulty breathing or shortness of breath.
• Swelling of the throat and tongue.
• Rapid drop in blood pressure.
• Skin reactions such as hives or itching.
• Gastrointestinal symptoms like nausea or vomiting.
• Dizziness or fainting.

Diagnosis

Diagnosis is typically based on the patient's medical history and symptoms observed during an allergic reaction. Skin tests or blood tests may be used to identify specific allergens.

Treatment Options

Ongoing management includes:

• Carrying an epinephrine auto-injector (e.g., EpiPen) for immediate use during an allergic emergency.
• Avoiding known allergens. Immediate treatment of anaphylactic reactions involves the prompt administration of epinephrine followed by emergency medical care.

Prognosis and Follow-Up

With proper management and avoidance of triggers, individuals with a history of anaphylaxis can lead normal lives. Regular follow-ups with an allergist may be needed to monitor allergies and update action plans.

Complications

If untreated, anaphylaxis can lead to severe complications including respiratory distress, cardiovascular collapse, or even death.

Lifestyle & Prevention

• Avoid known allergens and educate those around you about your allergy.
• Wear medical alert identification.
• Have an action plan in place and educate on the use of epinephrine auto-injectors.

When to Seek Professional Help

Seek immediate medical help if experiencing signs of anaphylaxis or after administering epinephrine. Regular consultations with an allergy specialist are encouraged for management and prevention strategies.

Additional Resources

• American Academy of Allergy, Asthma & Immunology (AAAAI)
• Anaphylaxis Campaign
• Food Allergy Research & Education (FARE)

Tips for Medical Coders

• Ensure the accurate capture of the history of anaphylaxis with code Z87.892.
• Distinguish between current episode and past history to avoid improper coding.
• Verify documentation for specific details about allergens and reactions experienced.