Framingham calculator: http://hp2010.nhlbihin.net/atpIII/calculator.asp?usertype=prof
Very High Risk: established CHD, diabetes, and/or multiple other major risk factors and a 10-year risk of >20%.
Moderately High Risk: multiple major risk factors and a 10-year CHD risk between 10% and 20%.
Moderate Risk: 2+ major risk factors and a 10-year CHD risk of <10%.
Lower Risk: 0 or 1 major risk factor and a 10-year CHD risk of <10%.