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2025 CPT code 95120

Allergen immunotherapy; single injection.

Follow CPT guidelines for allergen immunotherapy.Office visit codes may be used in addition to 95120 if other identifiable services are provided on the same day, using modifier 25.

Modifiers 52 (reduced services), 53 (discontinued procedure), 76 (repeat procedure by same physician), 77 (repeat procedure by another physician), and 79 (unrelated procedure) may be applicable in certain scenarios.Consult the CPT manual for specific modifier guidelines.

Allergen immunotherapy is medically necessary for patients with moderate to severe allergic reactions that are not adequately managed with medications.The patient's history, test results and clinical judgment of the physician are crucial in determining medical necessity.

The physician prepares the allergenic extract and administers the injection. This involves assessing the patient's allergies, preparing the appropriate extract, and administering the injection.Monitoring for adverse reactions is also a key responsibility.

IMPORTANT:Use 95125 when the provider prepares the allergic extracts and administers two or more injections. Office visit codes may be used in addition if other identifiable services are provided.

In simple words: This code describes a single allergy shot as part of a series of allergy shots.The doctor prepares the allergy medicine and gives one shot during the visit.

Professional services for allergen immunotherapy in the office or institution of the prescribing physician or other qualified health care professional, including the provision of allergenic extract; single injection. This procedure is part of a series of injections administered over time, gradually increasing quantities of a specific allergenic extract to achieve clinical tolerance of those allergens.The code is used when the provider prepares the allergic extracts and administers a single injection at the session.

Example 1: A patient with seasonal allergies to ragweed presents for their first allergy injection.The physician prepares a single injection of ragweed extract and administers it. Code 95120 is reported., A patient with multiple allergies (grass, pollen, dust mites) receives a single injection of a multi-allergen extract.Code 95120 is reported for the single injection., A patient is undergoing maintenance immunotherapy. They receive a single injection of their prescribed allergen extract. Code 95120 is reported.

* Patient's allergy history.* Results of allergy testing (skin prick test, blood test).* Documentation of the allergen extract used (name, concentration).* Documentation of the injection site and any reactions.* Note indicating that this was a single injection.

** This code is used only when a single injection of allergenic extract is administered.For multiple injections, use code 95125.

** Only Enterprise users with EHR integration can access case-specific answers. Click here to request access.

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