Allergen Immunotherapy (Fall 1991)

Why This Topic Matters

Allergen immunotherapy is a recurring coding topic with multiple service components that may be reported differently depending on setting and what was provided. This article helps readers understand the general structure of the guidance so they can determine whether they need the full coding clarification.

Article Sections

1. Coding Clarification

   Introduces the article as a coding clarification and frames the allergen immunotherapy topic discussed in the issue.

2. Allergen Immunotherapy not Including Extracts

   Covers the administration portion of allergen immunotherapy when extracts are not included as part of the service. The section references examples involving office-based administration in different practice settings.

3. Allergen Immunotherapy in Prescribing Physician's Office

   Summarizes immunotherapy services furnished in the prescribing physician’s office, including preparation and provision of the service at a single encounter. It distinguishes this topic from administration-only scenarios.

4. Provision of Antigens (allergenic extracts)

   Addresses preparation of antigens and allergenic extracts, including different vial types and the fact that administration is not included in this service category.

5. Office Visits in Conjunction with Allergen Immunotherapy

   Discusses when an office or outpatient visit may be considered alongside immunotherapy and the general circumstances described in the article.