Number of Diseased Coronary Artery Vessels

**Semantic type:** Quantitative Concept

**Definition:** Number of major epicardial vessels with greater than or equal to 70% reduction in diameter or greater than or equal to 50% reduction in cross-sectional area. (ACC)

**Synonyms:** - NUMDCAV - Number of Diseased Coronary Vessels - Number of Diseased Coronary Vessels