Part B Coding Coach: Know the Facts on the Intersection of Same-Day E/M and Allergy Testing

Why This Topic Matters

Claims for allergy testing can be denied or questioned when same-day E/M reporting is misunderstood. Understanding the general guidance helps coding teams review policies, align documentation practices, and navigate common confusion around modifier 25 and global period indicators.

Article Sections

1. Consider Fundamental Rules for Modifier 25 Reporting

   This section introduces the basic policy sources and the general framework for same-day E/M reporting. It also discusses global period concepts and the types of procedures referenced in that context.

2. Work Your Way Across These Authoritative Sources

   This section summarizes guidance from NCCI and related sources as it applies to allergy testing and immunotherapy. It focuses on how authoritative references are used to address the broader reporting question.

3. Know When to Yield to CMS, CPT® Guidelines

   This section discusses how CMS and CPT guidance interact with NCCI policy in the allergy testing setting. It emphasizes the role of official guidance sources in resolving reporting questions.