Modifier Refresher: Use Modifier 59 to Indicate That the Two Procedures Are Separate and Distinct

Why This Topic Matters

Understanding this topic helps readers recognize when an article is focused on separate-service reporting concepts, documentation support, and the broader coding edits and modifier framework that affect claim processing.

Article Sections

1. Overview of Modifier 59

   Introduces the general purpose of modifier 59 and the importance of supporting documentation. It frames the article around services that are not typically reported separately.

2. Examples of Code Pairs and Edit Relationships

   Reviews example scenarios involving CPT procedure pairs and edit relationships. The section shows how the article uses procedural examples to illustrate separate-service reporting concepts.

3. Keep a Checklist of When Modifier 59 Applies

   Summarizes broad circumstances described in the article where modifier 59 may be considered. It also notes the article’s discussion of CMS perspectives on how the modifier is used.

4. HCPCS X{EPSU} Modifiers

   Discusses the HCPCS modifier set introduced to represent specific subsets of modifier 59. The section covers the general purpose and effective date of these related identifiers.