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Overview of Global Surgery and Billing

Apr 17, 2025

Global Surgery Overview

Introduction

  • Document Title: MLN907166 Global Surgery
  • Focus: Medicare's global surgery package details.

Key Changes

  • Introduction of modifiers (page 9).
  • New HCPCS code G0559 for post-operative care by other practitioners (page 9).

Global Surgical Package Definition

  • National policy to ensure consistent payment across jurisdictions by Medicare Administrative Contractors (MACs).
  • Includes all necessary services before, during, and after a procedure.
  • Providers in the same group practice must bill as a single physician.

FAQs

Global Surgery Application Settings

  • Applies in inpatient hospitals, outpatient hospitals, ambulatory surgical centers (ASC), and physicians' offices.

Classification of Global Surgery

  • 0-Day Post-Operative Period: Includes endoscopies and minor procedures.
  • 10-Day Post-Operative Period: Covers other minor procedures.
  • 90-Day Post-Operative Period: For major procedures.

Global Surgery Indicators

  • 000: Endoscopies/minor procedures with 0-day post-operative period.
  • 010: Minor procedures with 10-day post-operative period.
  • 090: Major surgeries with 90-day post-operative period.
  • YYY: Contractor-priced codes.

Services Included in Global Surgery Payment

  • Pre-operative and intra-operative services.
  • Post-operative recovery visits and complications not requiring extra OR trips.
  • Post-surgical pain management.

Services Excluded from Global Surgery Payment

  • First evaluation for major surgeries.
  • Unrelated visits or treatments during post-operative period.
  • Diagnostic tests and procedures.
  • Treatment for post-operative complications requiring a return to OR.

Billing Guidelines

Providers Covering Entire Global Package

  • Use surgical CPT code without separate billing for services included in the global package.

Providers Covering Part of a Global Package

  • Transfer of care agreements must be documented.
  • Modifiers 54, 55, and 56 indicate surgical care, post-operative, and pre-operative care, respectively.

Exceptions

  • Use E/M code for services not covered by modifiers 54, 55, 56.

Pre-Operative Period Billing

  • E/M services leading to surgery decisions can be billed separately, using modifier 57.

Procedure Day Billing

  • Use modifier 25 for significant, separately identifiable E/M services on the procedure day.

Special Cases

Multiple Surgeries

  • Considered separate procedures, eligible for separate payments under certain conditions.

Co-Surgeons & Team Surgeons

  • Modifier 62 and 66 for billing when multiple surgeons are involved.

Assistant-at-Surgery Services

  • Payment based on a certain percentage of the surgical fee schedule. Use specific modifiers like 80, 81.

Post-Operative Period Billing

Unrelated Services

  • Use modifiers 79 and 24 for unrelated procedures or services during the post-operative period.

Critical Care

  • Can be billed separately if unrelated to the surgical procedure and meeting certain criteria.

Special Billing Situations

  • Care provided in different jurisdictions or Health Professional Shortage Areas.

Erroneous Surgeries

  • Use modifiers PA, PB, PC for surgeries on the wrong patient or body part.

Bilateral Procedures

  • Use modifier 50 unless the procedure description specifies "bilateral".

Resources

  • Additional resources for co-surgery and assistant-at-surgery services available in the Medicare Claims Processing Manual, Chapter 12.