New and revised CPT Category III codes

The following Category III codes were released to the American Medical Association’s website on July 1, 2025, with an effective date of January 1, 2026.  The most recent changes to Category III codes consist of 2 revisions ( 0598T , 0599T ) and the addition of 38 new codes. CPT Code Long Descriptor Effective Date 0598T Noncontact r Real-time fluorescence wound imaging with, clinical darkness, to identify for location of bacterial presence, location wound pathogens, and load and measure wound size, per session; first anatomic site (eg, lower extremity, right leg ) January 1, 2026 + 0599T each...

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

Article Overview

This article reviews recent CPT Category III code updates released by the American Medical Association, including revisions and newly added codes effective in 2026. It is relevant for medical coders, billers, compliance staff, and clinicians who work with emerging procedures and need to understand the scope of the changes, associated code-set references, and related reporting notes.

Why This Topic Matters

Category III updates can affect how new and developing procedures are tracked and reported. Staying current helps readers recognize when related services, add-on codes, and cross-referenced codes are part of the same coding family.

Article Sections

  1. Overview of Category III updates

    Introduces the release timing, effective date, and overall scope of the CPT Category III changes covered in the article.

  2. New and revised codes and related guidance

    Presents the updated CPT Category III entries and the accompanying cross-references, parenthetical notes, and reporting relationships associated with the changes.

What You Will Learn

  • What the article covers in the latest CPT Category III update cycle
  • Which broad clinical areas are represented among the newly added and revised codes
  • How the article organizes related reporting notes and code cross-references
  • Which CPT code families are referenced alongside the Category III updates

Who Should Read This

  • Medical coders
  • Coding auditors
  • Billing and reimbursement staff
  • Compliance professionals
  • Physicians and other qualified health care professionals

Codes Discussed

Modifiers Discussed


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