Coronary CT angiography
Coronary CT angiography (CTA or CCTA) is the use of computed tomography (CT) angiography to assess the coronary arteries of the heart. The patient receives an intravenous injection of radiocontrast and then the heart is scanned using a high speed CT scanner, allowing physicians to assess the extent of occlusion in the coronary arteries, usually in order to diagnose coronary artery disease.
| Coronary CT angiography | |
|---|---|
Image of contrast enhanced dual-source coronary CT-angiograph | |
| ICD-9-CM | 87.41 |
| OPS-301 code | 3-224 |
CTA is superior to coronary CT calcium scan in determining the risk of Major Adverse Cardiac Events (MACE).
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