AHA Coding Clinic® for ICD-9 - 2005 Issue 3
Cardiac Resynchronization Therapy
The Central Office on ICD-9-CM has received numerous questions since the creation of new procedure codes for cardiac resynchronization therapy (CRT) or biventricular pacing. Cardiac resynchronization therapy with or without a defibrillator involves placing electrical leads in the right atrium, the right ventricle and into the coronary sinus. The coronary sinus is a venous channel that empties into the right atrium, and it is fed by cardiac veins that lie on the outside of the left ventricle. When successful, the coronary sinus lead is advanced into one of the cardiac veins so that it can lie next to the...
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Article Overview
This premium coding article reviews cardiac resynchronization therapy, including implantations, lead-related scenarios, and device replacement or upgrade situations. It is intended for coders, CDI staff, and reimbursement professionals who need to understand how the article organizes CRT-related procedural guidance and the circumstances it addresses. The discussion is centered on ICD-9-CM procedure coding and clarifies broad categories of CRT-P and CRT-D cases, generator placement, and lead replacement or insertion situations.
Why This Topic Matters
CRT procedures often involve multiple devices, leads, and staged operative events, making accurate procedural classification important for reporting and claim processing. This article helps readers understand the scope of the guidance available for these complex device cases.
Article Sections
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Overview of cardiac resynchronization therapy
Introduces CRT and describes the general procedural context in which these cases arise. It also notes why these scenarios can create coding questions.
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Examples of coding scenarios
Summarizes several broad CRT-related situations that prompted clarification, including incomplete procedures, lead-related problems, and alternative surgical approaches.
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General coding guidance for CRT implantation and replacement
Presents the overarching framework for classifying CRT implantation and replacement cases. The section addresses how the guidance is organized around total-system procedures and related lead or generator components.
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Lead-related coding guidance
Discusses broad categories of lead replacement or insertion situations associated with CRT-P and CRT-D cases. It distinguishes among different lead locations and device contexts without giving substantive selection details.
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Generator placement guidance
Covers the scenarios in which only a generator is inserted without lead placement. It separates the discussion by device type.
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Illustrative upgrade scenario
Presents a worked clinical scenario involving an upgrade and revision case used to further explain the surrounding guidance. The excerpt continues into the example setup but does not complete the full resolution in the provided text.
What You Will Learn
- The general scope of CRT-related procedural coding guidance.
- How the article organizes implantation, replacement, lead, and generator scenarios.
- Which ICD-9-CM procedure code categories are discussed for CRT cases.
- Why staged or incomplete CRT procedures can require special attention.
- How the article frames device-upgrade and lead-placement scenarios.
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation improvement specialists
- Reimbursement and revenue cycle staff
- Cardiology coding professionals
Codes Discussed
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