AMA CPT® Assistant - 2011 Issue 12 (December)
Then and Now: Internal Mammary Artery Angiography at Time of Cardiac Catheterization (December 2011)
December 2011 pages 9-12 Then and Now: Internal Mammary Artery Angiography at Time of Cardiac Catheterization The spring 1994 and October 2001 issue of the CPT Assistant newsletter provided information related to cardiac catheterization specific to the use of the injection procedure code 93539 , Injection procedure during cardiac catheterization; for selective opacification of arterial conduits (eg, internal mammary), whether native or used for bypass , for arterial bypass vessel(s) including conduit vessels following a coronary artery bypass procedure. The October 2001 issue clarified that the term "conduits," as used in code 93539 refers to the presence of arterial bypass...
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Article Overview
This CPT Assistant article explains how internal mammary artery angiography is addressed in the context of cardiac catheterization, with attention to both older and current guidance. It is useful for cardiology, interventional cardiology, radiology, and coding professionals who need to understand how the article frames cardiac catheterization, bypass graft angiography, congenital catheterization, and standalone internal mammary angiography. The article also references CPT code changes over time and discusses related catheterization and radiology supervision/interpretation concepts.
Why This Topic Matters
It helps readers determine whether the full article is relevant to cardiac cath and angiography coding questions involving internal mammary arteries, bypass conduits, congenital heart catheterization, and standalone thoracic arterial imaging.
Article Sections
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Background and purpose
Introduces the topic, the historical CPT Assistant references, and the reason the guidance is being revisited.
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Then: Spring 1994
Summarizes earlier CPT Assistant context for cardiac catheterization and internal mammary artery angiography, including the accompanying example and reporting discussion.
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Now
Presents the updated CPT framework for cardiac catheterization, bypass graft evaluation, and congenital heart catheterization scenarios involving internal mammary arteries.
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Internal Mammary Angiography Without Cardiac Catheterization
Addresses reporting when internal mammary angiography is performed as a separate service without a concurrent diagnostic cardiac catheterization.
What You Will Learn
- How the article frames historical versus current CPT guidance
- Which general catheterization settings are discussed
- How bypass graft and congenital catheterization contexts are distinguished
- What the article says about standalone internal mammary angiography scenarios
- Which code sets and related modifiers are referenced
Who Should Read This
- Medical coders
- Cardiology coders
- Interventional cardiology practices
- Radiology coding professionals
- Cardiac cath lab staff
Codes Discussed
Code Ranges Discussed
Modifiers Discussed
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