AMA CPT® Assistant - 2023 Issue 7 (July)
Reporting CPT Modifiers 51 and 59 (July 2023)
July 2023 pages 1-10 Reporting CPT Modifiers 51 and 59 A modifier is used to report or indicate that a performed service or procedure was altered by some specific circumstance and noted by the physician or other qualified health care professional (QHP) but not changed in its definition or code. Modifiers enable health care professionals to effectively respond to payment policy requirements established by Medicare and other third-party payers, and their definitions are listed in Appendix A of the Current Procedural Terminology (CPT®) code set. This article discusses and provides examples of the appropriate use of modifier 51...
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Article Overview
This July 2023 CPT Assistant article discusses how CPT modifiers 51 and 59 are presented in the CPT code set and how they relate to other modifiers used in similar reporting situations. It is aimed at coders, billers, and other healthcare professionals who need a high-level understanding of modifier use, payer expectations, and the types of documentation and scenarios commonly associated with these modifiers. The article includes contextual references to modifier 25 and modifier 76, along with multiple clinical examples spanning surgical, emergency department, preventive, vaccination, and procedure-reporting situations.
Why This Topic Matters
Accurate modifier reporting affects claim processing, bundling decisions, and payer review. This article helps readers understand the scope of the modifiers discussed and the kinds of scenarios that make them relevant in CPT-based coding workflows.
Article Sections
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July 2023 pages 1-10
Introductory material for the July 2023 issue and the scope of the article.
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Reporting CPT Modifiers 51 and 59
General discussion of modifiers in the CPT code set and the article’s focus on two specific modifiers, with contextual references to related modifiers.
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Modifiers 25, 51, 59, and 76
Reference discussion of additional modifiers included for context alongside the primary topic.
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Differences Between Modifier 51 and Modifier 59
Background on how the two modifiers are distinguished and the broader payer and coding context surrounding their use.
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Use of Modifier 59 for Codes With “Separate Procedure” Designation
Discussion of code descriptors that include a separate-procedure designation and the article’s general treatment of that category.
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Example 1: Removal of Two Separate Lesions
A clinical scenario involving two procedures on a body area and how the article frames the reporting example.
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Example 2: Reporting Multiple Procedures
An emergency department scenario illustrating multiple procedures and related E/M context.
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Example 3: Use of Modifiers 51 and 25 With Preventive Care and Vaccinations
A preventive-care scenario involving immunizations and an E/M service, with related reporting context.
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Example 4: Reporting Multiple Surgical Procedures
A surgical scenario involving procedures on different sections of the same organ system.
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Example 5: Reporting Multiple Surgical Procedures
A surgical scenario involving procedures performed in the same operative setting and related reporting context.
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Example 6: Reporting Multiple Surgical Procedures with Modifier 51
A final surgical scenario showing multiple procedures during the same session.
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Summary
High-level recap of the article’s main modifier-reporting themes and payer variability.
What You Will Learn
- The general purpose of CPT modifiers and how they relate to procedure reporting
- The article’s scope around modifiers 51 and 59, with contextual references to modifiers 25 and 76
- The kinds of clinical scenarios used to illustrate modifier reporting across several specialties
- How payer guidance and documentation context are discussed at a broad level
Who Should Read This
- Medical coders
- Billing staff
- Compliance professionals
- Physician and QHP documentation staff
- Healthcare revenue cycle teams
Codes Discussed
Code Ranges Discussed
Modifiers Discussed
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