Allergen Immunotherapy (February 2005)

Why This Topic Matters

Allergen immunotherapy is a coding area with multiple related CPT services and payer-specific reporting differences. Understanding the structure of the code family helps support accurate claim preparation and reduces confusion when services involve injection administration, supply preparation, or Medicare-related rules.

Article Sections

1. Coding Communication: Allergen Immunotherapy

   Introduces the article’s focus on coding communication for allergen immunotherapy and the reason the topic is frequently questioned. Sets the stage for an overview of reporting considerations and examples.

2. What is Allergen Immunotherapy?

   Provides a general clinical overview of allergen immunotherapy and its purpose. Describes the therapy at a high level without addressing specific coding outcomes.

3. Understanding Allergen Immunotherapy Coding

   Explains the overall structure of coding for this service category and discusses how practice settings and payer expectations can affect reporting. Includes a general reference to CMS guidance and third-party payer variation.

4. CPT Guidelines

   Summarizes CPT reporting concepts for this code family, including administration services, complete service reporting, and supply-related reporting. Also addresses how dosage and preparation are handled at a broad level.

5. Example 1: Appropriate Use of Code 95144

   Presents an illustrative scenario involving preparation and provision of allergen extract for use by another physician, along with related reporting considerations. Demonstrates how the service is reflected in a claim example.

6. Example 2: Code 95144 vs Code 95120

   Compares two reporting situations to highlight differences between supply-plus-administration and a preparation/provision scenario. Uses a clinical example to illustrate the distinction in a general way.

7. Example 3: Appropriate Use of Code 95145

   Shows an example involving stinging insect venom preparation and subsequent treatment planning. Includes a related note about multiple venoms and how the supply is reflected in the example.

8. Summary of CMS Guidelines

   Summarizes the article’s overview of CMS reporting guidance for allergen immunotherapy and notes which parts of the CPT family are recognized for component billing versus complete service billing. Also references CMS manuals and contractor resources at a high level.

9. References

   Lists supporting reference materials, including practice parameters and Medicare manuals. These sources are included for further reading rather than substantive instruction within the article.