Resection of Abnormal Mitral Valve Attachments

A 12-year-old patient with hypertrophic cardiomyopathy was placed on cardiopulmonary bypass and underwent resection of abnormal mitral valve attachments and an extensive septal and left ventricular outflow tract (LVOT) myomectomy. What are the correct ICD-9-CM procedure code assignments? ...

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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 premium article explains how to approach ICD-9-CM procedure coding for an open-heart cardiac surgery case involving mitral valve and myocardial resection procedures performed with cardiopulmonary bypass. It is intended for coders, auditors, and reimbursement professionals who need to understand the applicable procedure categories and how the case is represented in ICD-9-CM procedure coding.

Why This Topic Matters

Correct procedure classification affects reporting accuracy, case tracking, and claims processing for complex cardiac surgery encounters.

What You Will Learn

  • The general ICD-9-CM procedure coding categories relevant to an open-heart cardiac surgery case.
  • How a complex mitral valve and septal surgical encounter is represented at a high level in procedure coding.
  • The role of cardiopulmonary bypass in the procedure coding context.
  • The types of coding guidance commonly applied to similar cardiac surgery cases.

Who Should Read This

  • Medical coders
  • Coding auditors
  • Reimbursement staff
  • Clinical documentation review teams

Codes Discussed


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