CPT® Code 95134

1. Indications

Allergen immunotherapy is indicated for patients who exhibit allergic reactions to stinging insects, which may include a range of symptoms from mild local reactions to severe systemic responses such as anaphylaxis. The procedure is performed following a comprehensive allergy testing process that confirms the presence of specific sensitivities to stinging insect venoms.

• Allergic Reactions to Stinging Insects Patients who have a confirmed allergy to stinging insects, such as bees, wasps, hornets, or yellow jackets, may benefit from this immunotherapy.
• History of Anaphylaxis Individuals with a history of severe allergic reactions, including anaphylaxis, to stinging insect stings are prime candidates for this treatment to reduce the risk of future life-threatening reactions.
• Persistent Allergic Symptoms Patients experiencing ongoing allergic symptoms related to stinging insect exposure that significantly impact their quality of life may be considered for allergen immunotherapy.

2. Procedure

The procedure for allergen immunotherapy consists of several key steps that ensure the safe and effective administration of the allergenic extracts.

• Step 1: Allergy Testing Prior to initiating immunotherapy, patients undergo allergy testing to identify specific stinging insect allergens. This testing is crucial for determining the appropriate allergenic extracts to be used in the immunotherapy regimen.
• Step 2: Development of Immunotherapy Schedule Based on the results of the allergy testing, a personalized immunotherapy schedule is created. This schedule outlines the build-up and maintenance phases, detailing the frequency and dosage of allergenic extract injections.
• Step 3: Build-Up Phase During the build-up phase, patients receive small but progressively increasing doses of the allergenic extract(s) through injections, typically administered in the upper arm. This phase usually occurs one, two, or three times a week and lasts for approximately 3 to 6 months.
• Step 4: Maintenance Phase After successfully completing the build-up phase, patients transition to the maintenance phase, where they receive monthly injections of the allergenic extract for a duration of 3 to 5 years. This phase is essential for sustaining the desensitization achieved during the build-up phase.
• Step 5: Monitoring and Follow-Up Throughout the immunotherapy process, patients are monitored for any adverse reactions to the injections, and follow-up appointments are scheduled to assess the effectiveness of the treatment and make any necessary adjustments to the immunotherapy regimen.

3. Post-Procedure

After the administration of allergen immunotherapy, patients are typically observed for a short period to monitor for any immediate allergic reactions. It is essential for healthcare providers to ensure that patients are stable before they leave the office or institution. Patients may experience mild local reactions at the injection site, such as redness or swelling, which are generally self-limiting. Education on recognizing signs of severe allergic reactions, such as anaphylaxis, is crucial, and patients are advised to carry an epinephrine auto-injector if they have a history of severe reactions. Regular follow-up appointments are necessary to evaluate the patient's response to therapy and to adjust the treatment plan as needed. Adherence to the prescribed immunotherapy schedule is vital for achieving optimal outcomes in allergy management.