Modifiers -58, -78 and -79: Here's How to Choose the Right One

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Note:  The following article synopsis was NOT provided by AAPC. It was created by Find-A-Code/innoviHealth.

Article Overview

This article is a practical coding guide for professionals who work with CPT postoperative modifier usage. It focuses on how these modifiers are discussed in relation to staged or related services, complications requiring a return to the operating room, and unrelated services performed by the same physician during a postoperative period. The piece includes examples and notes on payer variation, making it relevant to coders, billers, and compliance staff reviewing postoperative claims.

Why This Topic Matters

Correct modifier selection can affect whether services are bundled, separately payable, or denied, so understanding the article helps readers evaluate postoperative claim handling and documentation needs.

Article Sections

  1. Use -58 for Related and/or Anticipated Procedures

    Discusses the first modifier in the postoperative context and the types of situations the article associates with it. Includes general discussion of staged, related, and anticipated services.

  2. Don't Be Confused by 'More Extensive'

    Expands on the prior section by addressing how the article frames more extensive follow-up surgery during the global period. Uses a broad clinical example to illustrate the topic.

  3. If It's a Complication Turn to -78

    Covers the second modifier and the article's discussion of postoperative care related to complications and return-to-OR scenarios. Also notes documentation and payer considerations.

  4. Apply -79 for Unrelated Procedure Same Physician

    Explains the third modifier as discussed in the article, focusing on unrelated services during the postoperative period. Includes general mention of associated evaluation and management services and payer variation.

What You Will Learn

  • How the article distinguishes among three postoperative modifiers
  • The general scenarios discussed for related, complication-driven, and unrelated services
  • Why documentation and payer guidance matter when reviewing postoperative claims
  • How the article frames modifier use alongside related evaluation and management services

Who Should Read This

  • Medical coders
  • Billing staff
  • Compliance professionals
  • Revenue cycle teams
  • Physician office staff

Codes Discussed

Modifiers Discussed


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