AHA Coding Clinic® for ICD-9 - 1984 November - December
Myocardial Bridge
Myocardial bridge, congenital, 746.85. Code also any mention of chronic ischemic heart disease, 414.8. Myocardial bridge occurs when the heart muscle wraps around the coronary artery and constricts it. The bridge usually builds over the middle portion of the left anterior descending coronary artery. The myocardial bridge appears to be a congenital condition and its occurrence is higher in women than in men. There is increasing evidence that myocardial bridge patients may suffer from myocardial ischemia, myocardial infarction, ventricular fibrillation, conduction disturbances, and even sudden death. Changes in systemic arterial pressure and coronary perfusion pressure may significantly...
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Article Overview
This article reviews myocardial bridge as a congenital cardiac condition and places it in the context of related ischemic heart disease documentation. It is useful for coders and clinical documentation staff who need to understand the topic’s scope, associated terminology, and the broader clinical background discussed in the article.
Why This Topic Matters
Myocardial bridge can appear in documentation alongside other cardiac findings, so understanding the article helps identify when the topic is relevant and what related diagnosis context is discussed.
What You Will Learn
- How myocardial bridge is characterized in the article
- What broader cardiac conditions are mentioned alongside it
- What general clinical background is provided about the condition
- What treatment context is briefly discussed
Who Should Read This
- Medical coders
- Coding educators
- Clinical documentation specialists
- Revenue cycle staff
- Healthcare analysts
Codes Discussed
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