Coronary artery calcium (CAC) scoring is a non-invasive, low-radiation CT scan that detects and quantifies calcified plaque within the coronary arteries. It provides a calcium score that reflects the burden of underlying atherosclerosis and serves as a strong predictor of future cardiovascular events, even in asymptomatic individuals.

This test is most useful in individuals at low to intermediate cardiovascular risk, helping to refine risk stratification and guide decisions on preventive therapies such as statins or lifestyle modification. The scan is quick, painless, does not require contrast, and supports more personalised cardiovascular risk management.