Percentage of final reports for any chest CT examinations (non-cardiac, with or without contrast) performed on patients, aged 18 and older, that: 1. Document the presence or absence of coronary artery calcification (CAC), 2. If CAC is present, include documentation of a qualitative visual assessment of CAC and a recommendation that the patient consult with their primary care clinician for a comprehensive cardiovascular risk assessment, or a quantitative ordinal assessment of CAC for each of the four main coronary arteries. Recommendations for cardiovascular risk assessment should accompany any non-zero score.