Summary Table 2. Risk Assessment and Detection of CAD in Asymptomatic Patients with No Previous History of CAD.

			Appropriateness Criteria (Median Score)	Level of Evidence	Key References
Coronary Calcium Scoring
9	Family history of premature CHD	Low	A (7)	A	(37, 38)
10	Asymptomatic No known CAD	Low	I (3)	A	(45, 46, 47, 48, 50, 52)
		Intermediate	A (7)	A
		High	U (6)	A
Coronary CT Angiography
11	Asymptomatic No known CAD	Low	I (2)	A	(56, 57, 61, 62)
		Intermediate	U (5)	A
		High	A (7)	C
12	Routine evaluation of coronary arteries following heart transplantation		A (7)	A	(63)