MedPageToday -- One state’s “quiet” enactment of a legislative mandate for coronary risk assessment has potentially broad implications for healthcare policy and costs, one physician charges. Passed by the Texas legislature in June 2009 and implemented in September of that year, House Bill (HB) 1290 mandated insurance coverage of as much as $200 for coronary artery calcium (CAC) imaging or carotid intima-media thickness (IMT) testing every five years for men ages 45 to 75 and women ages 55 to 75.