AMA CPT® Assistant - 2019 Issue 8 (August)
Breast MRI with Computer-aided Detection (August 2019)
August 2019 pages 5-6 Breast MRI with Computer-aided Detection For the 2019 Current Procedural Terminology (CPT®) code set, four new codes (77046-77049) were added to report breast magnetic resonance imaging (MRI), and three codes (77058, 77059, 0159T) were deleted to align with the structure of the other breast-imaging code families. The four new MRI codes specify the use of contrast materials and include “computer-aided detection (CAD), when performed” to enable accurate reporting of the specific breast imaging performed. This article will focus on these 2019 changes in the Radiology section. Breast, Mammography 77046Magnetic resonance imaging, breast, without contrast...
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Article Overview
This premium CPT article explains the 2019 breast MRI code revision and how it affects reporting within the Radiology section. It is aimed at coders, auditors, and imaging billing staff who need to understand the structure of the updated breast imaging code family, related deleted codes, and revised parenthetical guidance tied to breast MRI and computer-aided detection. The article also includes clinical examples and procedural descriptions that show the kinds of breast MRI scenarios addressed by the updated code set.
Why This Topic Matters
Breast MRI reporting changed in 2019, and the update affected code structure, related cross-references, and how certain imaging services are categorized. Understanding the change helps support accurate claims, documentation alignment, and compliance for breast imaging services.
Article Sections
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August 2019 pages 5-6
Introduces the 2019 breast MRI update within the Radiology section and frames the scope of the article. It also notes the broad relationship to the breast imaging code family and the associated coding changes.
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Breast, Mammography
Presents the breast MRI code family and the surrounding code update context. The section also references deleted items and related cross-references that were revised in connection with the 2019 changes.
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Coding Tip
Provides a brief tip related to reporting a specific type of breast MRI service. This section gives practical context for how the article distinguishes that scenario from the main code family.
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Clinical Example (77046) / Description of Procedure (77046)
Shows an example clinical scenario and a corresponding procedural description for one of the revised breast MRI categories. The material focuses on typical documentation and imaging workflow elements.
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Clinical Example (77047) / Description of Procedure (77047)
Shows an example clinical scenario and a corresponding procedural description for the bilateral breast MRI category. The material highlights documentation themes and imaging review steps.
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Clinical Example (77048) / Description of Procedure (77048)
Shows an example clinical scenario and a corresponding procedural description for a contrast-based breast MRI category that includes computer-aided detection. The section covers the broader imaging and reporting workflow for that scenario.
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Clinical Example (77049) / Description of Procedure (77049)
Shows an example clinical scenario and a corresponding procedural description for the bilateral contrast-based breast MRI category with computer-aided detection. The section focuses on example documentation and imaging assessment elements.
What You Will Learn
- How the 2019 breast MRI CPT update was organized within the Radiology section
- What kinds of breast imaging reporting changes were introduced for the revised code family
- How related parenthetical notes and cross-references were updated
- What types of clinical scenarios the article uses to illustrate the revised breast MRI categories
Who Should Read This
- CPT coders
- Radiology billing staff
- Coding auditors
- Revenue cycle specialists
- Breast imaging practice managers
Codes Discussed
Code Ranges Discussed
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